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DTSTART;TZID=America/New_York:20200203T110000
DTEND;TZID=America/New_York:20200203T120000
DTSTAMP:20260508T091642
CREATED:20200128T193610Z
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SUMMARY:Electrical and Computer Engineering Seminar: Alper Ozgurluk
DESCRIPTION:138 ISEC \nHigh-Q Strong Coupling Capacitive-Gap Transduced RF Micromechanical Resonators \nAbstract: \nThis talk presents a hierarchical\, intuitive\, and technology agnostic procedure for designing RF channel-select filters\, followed by an actual demonstration that consists of 96 mechanically coupled capacitive-gap-transduced polysilicon disk resonators\, centered at 224MHz with only 0.1% (9kHz) bandwidth\, all while attaining 2.7dB insertion loss and more than 50dB out-of-channel stopband rejection\, solidly confirming the validity of the design method. Two distinct methods then follow that aim to increase the resonator electromechanical coupling coefficient (kt2)\, which substantially improves the functionality of the demonstrated filter for future applications\, e.g.\, ones that require higher-order with sharper roll-off characteristics and less passband ripple. Specifically\, single-digit-nanometer electrode-to-resonator gaps have enabled 200-MHz radial-contour mode polysilicon disk resonators with motional resistance Rx as low as 144Ohm while still posting Q’s exceeding 10\,000\, all with only 2.5V dc-bias. The demonstrated gap spacings down to 7.98nm are the smallest to date for upper-VHF micromechanical resonators and fully capitalize on the fourth power dependence of motional resistance on gap spacing. The scale here is perhaps best conveyed with the recognition that this gap corresponds to only 16 SiO2 molecules! \nHigh device yield and ease of measurement debunk popular prognosticated pitfalls often associated with tiny gaps\, e.g.\, tunneling\, Casimir forces\, low yield\, none of which appear. The tiny motional resistance\, together with kt2’s up to 1% at 4.7V dc-bias and kt2-Q products exceeding 100\, propel polysilicon capacitive-gap transduced resonator technology to the forefront of MEMS resonator applications that put a premium on noise performance\, such as radar oscillators. To increase functionality even further\, the rest of this talk introduces a fabrication and post-processing method using CMOS-compatible ruthenium metal that allows integration of micromechanical devices\, such as the aforementioned RF filters\, atop CMOS. To this end\, the introduction of tensile stress via localized Joule heating has yielded some of the highest metal MEMS resonator Q’s measured to date\, as high as 48\,919 for a 12-MHz ruthenium micromechanical clamped-clamped beam\, defying the common belief that metal Q cannot compete with conventional micro machinable materials. The low-temperature ruthenium metal process\, with highest temperature of 450°C and paths to an even lower ceiling of 200°C\, further allows for MEMS post-processing directly over finished foundry CMOS wafers\, thereby offering a promising route towards fully monolithic realization of CMOS-MEMS circuits\, such as needed in communication transceivers. This\, together with its higher Q\, may eventually make ruthenium metal preferable over polysilicon in some applications. \nBio: \nAlper Ozgurluk received the B.S. degree in electrical and electronics engineering from Bilkent University\, Ankara\, Turkey\, in 2012 and the Ph.D. degree in electrical engineering and computer sciences from the University of California\, Berkeley\, CA\, USA\, in 2019. The first part of his Ph.D. research focused on the design\, fabrication\, and testing of medium-scale micromechanical circuits using capacitive-gap transduced disk resonators as building blocks to demonstrate RF channel filters for ultra-low power radio applications. During his Ph.D.\, he also worked on design and fabrication methods to shrink the gaps of capacitive-gap resonators to single-digit-nanometers transforming the performance of such devices. The last part of his Ph.D. mainly focused on CMOS-compatible resonator materials and post-processing techniques that could provide decent performance much needed for CMOS-MEMS integration. In 2019\, he joined Apple Inc. as a Display Exploration Engineer.
URL:https://ece.northeastern.edu/event/electrical-and-computer-engineering-seminar-alper-ozgurluk/
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20200207T110000
DTEND;TZID=America/New_York:20200207T110000
DTSTAMP:20260508T091642
CREATED:20200205T004700Z
LAST-MODIFIED:20200205T004700Z
UID:4080-1581073200-1581073200@ece.northeastern.edu
SUMMARY:Electrical and Computer Engineering Seminar: Fan Zhang
DESCRIPTION:Location: ISEC 140 \nPersistent Fault Attacks in Practice \nAbstract: \nPersistent fault analysis (PFA) was proposed at CHES 2018 as a novel fault analysis technique. It was shown to completely defeat standard redundancy based countermeasure against fault analysis. The original PFA was demonstrated with rowhammer-based fault injections. However whether such an analysis can be applied to traditional microcontrollers\, together with its attack difficulty in practice\, has not been investigated. In this talk\, for the first time\, a persistent fault attack is conducted on an unprotected AES algorithm implemented on ATmega163L microcontroller. Several critical challenges are coped with our new improvements. This talk will introduce the PFA at both theoretical and practical levels. \nBio: \nDr. Fan Zhang graduated from the Department of Computer Science and Engineering\, University of Connecticut\, USA. He is currently an associate professor in the College of Computer Science\, Zhejiang University\, China. He was a visiting scholar at the National University of Singapore and currently he is a visiting professor at Singapore University of Technology and Design. His major research interest is the general cybersecurity which includes hardware security\, system security\, network security and more. His special expertise lies in the domain of side-channel attacks (SCA) and countermeasures\, fault attacks\, cryptography\, and computer architecture. He is the Program Chair of PROOFS\, TPC member of DAC\, AsiaCCS\, AsianHOST\, ASHES\, COSADE\, FDTC\, Inscrypt\, and the Associate Editor of IEEE Access\, Cybersecurity. He has more than 60 publications in international conferences and journals such as CHES\, DATE\, COSADE\, FDTC\, TIFS\, TPDS.
URL:https://ece.northeastern.edu/event/electrical-and-computer-engineering-seminar-fan-zhang/
LOCATION:140 ISEC\, 360 Huntington Ave\, 140 ISEC\, Boston\, MA\, 02115\, United States
GEO:42.3401758;-71.0892797
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END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20200207T110000
DTEND;TZID=America/New_York:20200207T120000
DTSTAMP:20260508T091642
CREATED:20200203T194915Z
LAST-MODIFIED:20200203T195142Z
UID:4064-1581073200-1581076800@ece.northeastern.edu
SUMMARY:Electrical and Computer Engineering Seminar: Kris Dorsey
DESCRIPTION:Location: ISEC 136 \nIt’s a bit of a stretch: selective\, flexible mechanical sensors towards VR\, healthcare\, and robotics applications \nAbstract: \nIn this talk\, Kris Dorsey will discuss work related to mechanically “programming” soft sensors to respond to a particular mechanical deformation. Advances in 3D-printing\, soft polymer fabrication\, and other rapid fabrication processes have made the vision of conformal and stretchable mechanical sensors for wearable devices and soft robotics possible. One limitation of these sensors is their low selectivity between different modes of mechanical deformation\, such as strain\, torsion\, and bending.\nShe will present recent work in enhancing the selectivity of stretchable sensors. By using non-planar sensor morphology to bias the sensor towards a particular deformation mode\, the selectivity of the sensor can be enhanced. She will discuss projects including designing a sensor with electrically-tunable sensitivity and the fabrication origami-patterned\, deformation-selective flexible sensors. \n  \nBio: \nKris Dorsey is an assistant professor of engineering in the Picker Engineering Program at Smith College. She was a President’s Postdoctoral Fellow at the University of California\, Berkeley and University of California\, San Diego. Dr. Dorsey graduated from Carnegie Mellon University with a Ph.D. in Electrical and Computer Engineering and earned her Bachelors of Science in Electrical and Computer Engineering from Olin College. \nShe founded The MicroSMITHie Lab at Smith College to investigate micro- and miniature-scale sensor design and to prepare undergraduates for graduate study in engineering. Her current research interests include strain-stable\, hyperelastic components\, novel morphology soft sensors\, and sensors for soft robots and wearable devices. \nDr. Dorsey has co-authored several publications on hyperelastic strain sensors\, novel soft lithography processes\, and the stability of gas chemical sensors. In 2019\, she received the NSF CAREER award.
URL:https://ece.northeastern.edu/event/electrical-and-computer-engineering-seminar-kris-dorsey/
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20200210T110000
DTEND;TZID=America/New_York:20200210T120000
DTSTAMP:20260508T091642
CREATED:20200203T230328Z
LAST-MODIFIED:20200203T230328Z
UID:4070-1581332400-1581336000@ece.northeastern.edu
SUMMARY:Electrical and Computer Engineering Seminar: Xiaolin Xu
DESCRIPTION:Location: ISEC 138 \nEnsuring Hardware Cybersecurity from a Cross-Layer Perspective \nAbstract: \nThe rapid development of the semiconductor industry has significantly increased the number\, complexity\, and applicability of commercial electronics over the past few decades. As a result\, the security and assurance of hardware are playing a critical role in the cyberscape of modern society\, such as national defense\, healthcare\, transportation\, and finances. Hardware has been assumed to be trustworthy and reliable “by default.” However\, this assumption is no longer true\, with an increasing number of attacks reported on the hardware. In practice\, the globalization of semiconductor business poses grave risks from untrusted fabrication and distribution\, where Trojans insertion\, IP cloning\, and counterfeits may happen.    In this talk\, I will present our research efforts dedicated to the hardware-oriented cybersecurity from a cross-layer perspective. Specifically\, I will introduce two frameworks that we built to address these problems in the supply chain and embedded system layers. I will first present an identification technique based on the physical disorder of integrated circuitry that enables the authentication of electronic devices. Then\, I will present a hardware IP protection framework based on logic locking and circuit editing\, which can effectively mitigate the vulnerabilities from untrusted off-shore foundries and supply chains. At the end of the talk\, I will briefly present our scientific achievements in advancing the hardware security in the system and architecture layers\, as well as proposing a future research agenda of this emerging area. \nBio: \nDr. Xiaolin Xu is currently an Assistant Professor in the Department of Electrical and Computer Engineering at the University of Illinois at Chicago (UIC). Prior to joining UIC\, he spent two years at Post-doc Fellow at the Florida Institute for Cybersecurity (FICS) research center at the University of Florida. He received his Ph.D. degree from the University of Massachusetts Amherst in 2016 after he got the B.S. and M.S. degrees in Electrical Engineering from the University of Electronic Science and Technology of China in 2008 and 2011\, respectively. His research interests span hardware security and trust\, FPGA\, IoT security\, VLSI\, computer architecture\, embedded system\, and hardware-software co-design for modern computing systems. He is also interested in developing IoT devices and cloud-computing infrastructures with particular emphasis on security\, high-performance\, privacy protection.
URL:https://ece.northeastern.edu/event/electrical-and-computer-engineering-seminar-xiaolin-xu/
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20200210T190000
DTEND;TZID=America/New_York:20200210T210000
DTSTAMP:20260508T091642
CREATED:20200204T204506Z
LAST-MODIFIED:20200204T204506Z
UID:4076-1581361200-1581368400@ece.northeastern.edu
SUMMARY:Networking @ Night 2020: BU NSBE x SHPE
DESCRIPTION:BU’s Society of Hispanic Professional Engineers and the BU’s National Society of Black Engineers are co-hosting this upcoming Spring: Networking at Night 2020. Recruiters\, that include those from Northeastern and students from various industry partners\, graduate schools\, and research groups\, will come together for an encouraging and informative evening for our membership. The event is open to the greater engineering community\, and attendees will also have the opportunity to network with a broad talent pool. The event will take place at Boston University’s Howard Thurman Center. \nRegister Now
URL:https://ece.northeastern.edu/event/networking-night-2020-bu-nsbe-x-shpe/
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20200211T100000
DTEND;TZID=America/New_York:20200211T110000
DTSTAMP:20260508T091642
CREATED:20200207T222308Z
LAST-MODIFIED:20200207T222308Z
UID:4087-1581415200-1581418800@ece.northeastern.edu
SUMMARY:Electrical and Computer Engineering Webinar
DESCRIPTION:The webinar will feature a talk by Program Director Masoud Salehi\, who will present information on the Electrical and Computer Engineering program (ECE) at Northeastern University. Located in the booming technology\, medical\, and research hub of Boston\, Northeastern ‘s Department of ECE provides excellent research and learning opportunities for its students and alumni. The ECE faculty and graduate students conduct world-class research in the field. With over 65 full-time and affiliated faculty members\, ECE is home to experts in a variety of disciplines\, including but not limited to information infrastructure and security\, health and biomedical applications of electrical engineering\, brain-computer interface\, nanotechnology\, and nanomaterials. \nWEBINAR DETAILS: \nTopic: Electrical and Computer Engineering\nDate: Tuesday\, February 11\nTime: 10:00 – 11:00 AM EST \nWEBINAR INSTRUCTIONS \nRSVP and let us know if you will attend. \n 
URL:https://ece.northeastern.edu/event/electrical-and-computer-engineering-webinar/
ORGANIZER;CN="Graduate School of Engineering":MAILTO:coe-gradadmissions@northeastern.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20200211T113000
DTEND;TZID=America/New_York:20200211T123000
DTSTAMP:20260508T091642
CREATED:20200131T194339Z
LAST-MODIFIED:20200131T194339Z
UID:4058-1581420600-1581424200@ece.northeastern.edu
SUMMARY:Electrical and Computer Engineering Seminar: Qing Qu
DESCRIPTION:Location: ISEC 138 \nTitle: Learning Low-complexity Models from the Data – Geometry\, Optimization\, and Applications \nAbstract: \nToday we are collecting a massive amount of data in forms of images and videos\, that we want to learn from the data themselves to extract useful information and to make predictions. The data are high-dimensional\, but often possess certain low-dimensional structures (e.g.\, sparsity). However\, learning these low-complexity models often results in highly nonconvex optimization problems\, where in the past our understandings of solving them were very limited. In the worst case\, optimizing a nonconvex problem is NP-hard. \nIn this talk\, we present global nonconvex optimization theory and guaranteed algorithms for efficient learning of low-complexity models from high-dimensional data. For several important problems in imaging science (i.e.\, sparse blind deconvolution) and representation learning (i.e.\, convolutional/overcomplete dictionary learning)\, we show that the underlying symmetry and low-complexity structures avoid the worst-case scenarios\, leading to benign global geometric properties of the nonconvex optimization landscapes. In particular\, for sparse blind deconvolution that aims to jointly learn the underlying physical model and sparse signals from convolutions\, the geometric intuitions lead to efficient nonconvex algorithms\, with linear convergence to target solutions. Moreover\, we extended our geometric analysis to convolutional dictionary learning based on its similarity with overcomplete dictionary learning\, providing the first global algorithmic guarantees for both problems. Finally\, we demonstrate our methods on several important applications in scientific discovery and draw connections to learning deep neural networks. \nThis talk is mainly based on one paper appeared in NeurIPS’19 (spotlight)\, and two papers accepted by ICLR’20 (one oral). \nBio:  \nQing Qu is a Moore-Sloan data science fellow at the Center for Data Science\, New York University. He received his Ph.D. from Columbia University in Electrical Engineering in Oct. 2018. He received his B.Eng. from Tsinghua University in Jul. 2011\, and an M.Sc.from the Johns Hopkins University in Dec. 2012\, both in Electrical and Computer Engineering. He interned at U.S. Army Research Laboratory in 2012 and Microsoft Research in 2016\, respectively. His research interest lies at the intersection of the foundation of data science\, machine learning\, numerical optimization\, and signal/image processing. His research focuses on developing computational methods for learning low-complexity models/structures from high dimensional data\, leveraging tools from machine learning\, numerical optimization\, and high dimensional probability/geometry. He is also interested in applying these data-driven methods to various engineering problems in imaging sciences\, scientific discovery\, and healthcare. He is the recipient of Best Student Paper Award at SPARS’15 (with Ju Sun and John Wright)\, and the recipient of Microsoft Ph.D. Fellowship 2016-2018 in machine learning.
URL:https://ece.northeastern.edu/event/electrical-and-computer-engineering-seminar-qing-qu/
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20200212T110000
DTEND;TZID=America/New_York:20200212T120000
DTSTAMP:20260508T091642
CREATED:20200203T195100Z
LAST-MODIFIED:20200203T195100Z
UID:4066-1581505200-1581508800@ece.northeastern.edu
SUMMARY:Electrical and Computer Engineering Seminar: Basak Guler
DESCRIPTION:ISEC 138 \nCoded Computing for Next-Generation Information Processing Systems \nAbstract: \nModern networks are designed to facilitate information processing in large-scale\, highly distributed environments that connect humans with smart machines. Information collected in such networks is often privacy-sensitive\, such as healthcare records\, financial transactions\, or geolocation data. Moreover\, these networks often need to operate in unknown environments using unreliable information sources\, which can lead to various interpretations of the received information. This brings three main challenges in designing effective distributed information-processing frameworks: scalability\, privacy\, and context-awareness. In this talk\, I will discuss how to address these challenges through information and coding theory principles. I will first introduce a fast and privacy-preserving framework for distributed machine learning\, which can provide an order of magnitude speedup over the existing cryptographic approaches. Next\, I will address a major bottleneck for the scalability of large-scale distributed computing frameworks\, the interprocessor communication load\, in the context of distributed graph processing.  To do so\, I will introduce a topology-aware graph allocation and communication strategy using coding theory and demonstrate that it can reduce the inter-processor communication load significantly for both real-world and random graph structures. Finally\, I will discuss the fundamental performance limits of information transmission in context-aware multiuser communication networks. I will characterize the information-theoretic performance limits for lossy transmission of correlated sources in a multi-user communication channel when the communicating parties have access to context information correlated with the sources. \nBio: \nBasak Guler is a postdoctoral scholar at the University of Southern California. She received her M.Sc. and PhD from the Department of Electrical Engineering at the Pennsylvania State University. Her research interests include information and coding theory\, distributed computing\, wireless communications\, graph signal processing\, machine learning\, privacy and security\, and game theory. She is a recipient of the Dr. Nirmal K. Bose Dissertation Award by the Pennsylvania State University\, the Young Scholar Award by the Turkish-American Scientists and Scholars Association\, and was named a Rising Star in EECS by MIT.
URL:https://ece.northeastern.edu/event/electrical-and-computer-engineering-seminar-basak-guler/
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20200213T150000
DTEND;TZID=America/New_York:20200213T160000
DTSTAMP:20260508T091642
CREATED:20200208T014815Z
LAST-MODIFIED:20200208T014849Z
UID:4088-1581606000-1581609600@ece.northeastern.edu
SUMMARY:Electrical and Computer Engineering Seminar: Najme Ebrahimi
DESCRIPTION:Location: ISEC 136 \nNext Generation of Smart Wireless World: from High Data-Rate Mm-wave Directional Arrays to Reliable and Secured IoT Connectivity for 5G and Beyond \nAbstract: \nThe next generation of smart wireless world requires massive and reliable connectivity as well as high datarate communication and sensing. Consequently\, the immediate response of the wireless world is acquiring the mm-wave (MMW) wireless band (30 GHz–300 GHz) and the development of 5G and beyond. The major challenge of deploying high data-rate communication system at MMW frequency bands is the channel fading and multi-path diffraction effect. Hence\, multiple-element transceivers such as scalable “directional” phased array or massive MIMO are required. Moreover\, the next generation of wireless world is expected to have over one trillion Internet of Things (IoT) devices connected\, requiring secured connectivity such as protection against interference\, jammers\, and eavesdroppers  In this talk\, I will present novel techniques to overcome the challenges for future scalable high data-rate MMW transceiver array from silicon circuit toward RFIC system and packaging. This includes parasitic-insensitive\, power-efficient\, and wideband 2×2 arrays of injection-locked oscillators for efficient local oscillator (LO) distribution and phase shifting (circuit technique)\,  image selection Weaver architecture to significantly reduce the required bandwidth of the LO generation circuitry for the MMW system from conventional 20% to only 4% (RFIC architecture)\, and compact differential aperture coupled LO distribution feed network for compact and scalable antenna-IC integration (packaging). I will also discuss several future directions toward high-frequency signal generation and modulation based on integrating the circuit and electromagnetics fundamental theories for communication and sensing above 100 GHz\, namely\, as 6G.   On the other hand\, employing a “directional” antenna for interference/eavesdropper cancellation for IoTs suffers from side-lobe leakage and requires accurate beam alignment and localization. In this talk\, I will present a novel embedded architecture for a distributed IoT network that utilizes a masterslave full-duplex communication using an omnidirectional antenna to exchange a random modulated phase shift as the secret key while canceling out the eavesdropper effect. I will also discuss two future directions for interference cancellation from circuit level to system level; from cooperative and distributed pulse coupled synchronization for dynamically interference canceling towards wideband interference canceller/filter at RF front-end of IoT devices using a single antenna to turn the radio with one-bit ADC into reality \nBio: \nNajme Ebrahimi is a Post-Doctoral Research Fellow at the University of Michigan (U-M) since September 2017. At the University of Michigan\, she is mainly conducting research on both mm-Wave/THz high data rate communication and sensing in addition to the connectivity of the next generation of distributed Internet-of-Things network. She earned her PhD from the University of California\, San Diego (UCSD) in June 2017\, with a thesis emphasize on enabling high data rate and scalable mm-wave phased array for the next generation of smart wireless world. She received her MS degree and BS degree\, with highest honors\, from Amirkabir University of Technology\, Tehran\, Iran\, in 2011 and Shahid Beheshti University\, Tehran\, Iran\, in 2009\, respectively. She is a member of IEEE Solid-State Circuits and IEEE Microwave Theory and Techniques societies. She is the recipient of PhD Endowed Graduate Fellowship from UCSD (2012-2013) and U-M Departmental Postdoctoral Fellowship (20172019). She is currently serving as the vice-chair of IEEE Southeastern Michigan for Microwave Theory and Techniques Chapter where she is awarded MTT-s Travel Grant (2019). She is selected as 2019 EECS Rising Star by MIT launched Rising-star program and 2020 ISSCC Rising Star by IEEE Solid-State Circuits Society
URL:https://ece.northeastern.edu/event/electrical-and-computer-engineering-seminar-najme-ebrahimi/
LOCATION:136 ISEC\, 360 Huntington Ave\, 136 ISEC\, Boston\, MA\, 02115\, United States
GEO:42.3401758;-71.0892797
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END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20200218T103000
DTEND;TZID=America/New_York:20200218T113000
DTSTAMP:20260508T091642
CREATED:20200203T211723Z
LAST-MODIFIED:20200215T035349Z
UID:4072-1582021800-1582025400@ece.northeastern.edu
SUMMARY:Engineers Week: Harnessing Metamaterials to Manipulate Electromagnetic and Acoustic Waves
DESCRIPTION:Dr. Xin Zhang\, Professor\, Boston University \nLocation: 138 ISEC \nMetamaterials have been intensively studied and applied to a broad range of practical applications ranging from wireless communications to magnetic resonance imaging. Photonic metamaterials consisting of subwavelength “meta-atoms” have received enormous interest due to their extraordinary and unprecedented optical properties. Specifically\, the effective permittivity and permeability can be tailored and reconfigured to construct metamaterial devices by modulating or actuating the constituent meta-atoms. By leveraging microelectromechanical system (MEMS) technology\, we have developed functional metamaterial devices to manipulate and detect the terahertz waves. In addition\, metamaterials exhibit extraordinary near-field properties to control electric and magnetic field distribution. I will introduce our progress on intelligent magnetic metamaterials to enhance the signal to noise ratio of magnetic resonance imaging. Besides electromagnetic metamaterials\, acoustic metamaterials for sound wave shaping and silencing will also be discussed. \nXin Zhang received her Ph.D. in Mechanical Engineering from the Hong Kong University of Science and Technology (HKUST). She was a Postdoctoral Researcher and then a Research Scientist with the Massachusetts Institute of Technology (MIT). She then joined Boston University (BU) as a Faculty Member\, where she is currently a Professor of Mechanical Engineering\, Electrical & Computer Engineering\, Biomedical Engineering\, Materials Science & Engineering\, and the Photonics Center. Dr. Zhang is the Associate Director of the Boston University Nanotechnology Innovation Center and Director of both the NSF Research Experiences for Undergraduates (REU) and Teachers (RET) Sites in Integrated Nanomanufacturing at Boston University. \nDr. Zhang’s research interests are in the broad areas of microelectromechanical systems (MEMS or microsystems) and metamaterials (acoustic\, electromagnetic\, nonlinear\, photonic\, terahertz\, tunable\, etc.). She has published 160+ papers in interdisciplinary journals\, become both US and EU-US National Academy of Engineering Invitee (ages: 30-45)\, and is an Elected Fellow of AAAS\, AIMBE\, APS\, ASME\, IEEE\, NAI\, and OSA\, and Associate Fellow of AIAA. \nHosted by the Electrical and Computer Engineering Department
URL:https://ece.northeastern.edu/event/engineers-week-harnessing-metamaterials-to-manipulate-electromagnetic-and-acoustic-waves/
LOCATION:138 ISEC\, 360 Huntington Ave\, 138 ISEC\, Boston\, MA\, 02115\, United States
GEO:42.3401758;-71.0892797
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END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20200218T113000
DTEND;TZID=America/New_York:20200218T123000
DTSTAMP:20260508T091642
CREATED:20200208T022238Z
LAST-MODIFIED:20200208T022238Z
UID:4091-1582025400-1582029000@ece.northeastern.edu
SUMMARY:Electrical and Computer Engineering Seminar: Murat Kocaoglu
DESCRIPTION:Location: ISEC 138 \nCausality: From Learning to Generative Models \nAbstract: \nCausal inference is fundamental for multiple disciplines ranging from medical research to engineering\, statistics\, and economics. It is also central in machine learning and is now becoming a core component of artificial intelligence research. Although causal inference has been studied for a long time in various fields under different frameworks\, today we need tools that can process a large number of variables to handle modern large datasets. The graphical approach to probabilistic causation advocated by Judea Pearl and others provides a way to compactly represent the causal relations using directed acyclic graphs and paves the way for the design of algorithms that can answer causal questions for many variables. \nIn this talk\, Kocaoglu first provides a friendly introduction to causality and explain why causal understanding is important. As his first contribution\, he will propose a framework called entropic causal inference for inferring the causal direction between two variables from data. He will show that entropy can be used to capture the complexity of a causal mechanism. Further\, if the true direction has a simple mechanism\, we can identify it from data. The entropic causal inference framework leverages tools from information theory for causal inference. As his second contribution\, he will show how we can apply causality in deep generative models – deep neural networks used for modeling complex data. He will demonstrate how to define and train a causal deep generative model\, called CausalGAN for generating images with labels. As an extension of generative adversarial networks (GANs)\, CausalGAN allows sampling not only from the observed data distribution but also from the interventional distributions of images. He will conclude with future directions for causal inference and its applications in supervised learning and reinforcement learning. \n \nBio: \nMurat Kocaoglu received his B.S. degree in Electrical – Electronics Engineering with a minor degree in Physics from the Middle East Technical University in 2010. He received his M.S. degree from the Koc University\, Turkey in 2012 under the supervision of Prof. Ozgur B. Akan\, and PhD degree from The University of Texas at Austin in 2018\, under the supervision of Prof. Alex Dimakis and Prof. Sriram Vishwanath. He is currently a Research Staff Member in the MIT-IBM Watson AI Lab in IBM Research\, Cambridge\, Massachusetts. His current research interests include causal inference\, generative adversarial networks\, and information theory
URL:https://ece.northeastern.edu/event/electrical-and-computer-engineering-seminar-murat-kocaoglu/
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20200219T110000
DTEND;TZID=America/New_York:20200219T120000
DTSTAMP:20260508T091642
CREATED:20200213T195211Z
LAST-MODIFIED:20200213T195211Z
UID:4104-1582110000-1582113600@ece.northeastern.edu
SUMMARY:Electrical and Computer Engineering Seminar: Arjuna Madanayak
DESCRIPTION:Location: ISEC 138 \nMultidimensional Signal Processing Circuits for Low-SWaP Multi-Beam Arrays \nAbstract: \nIn this talk\, array processing circuits that exploit the computing paradigm of approximate computing are explored. Low-size\, -weight\, and -power consumption (SWaP) algorithms and circuits are proposed to achieve thousands of fully-digital beams for emerging applications. The proposed low-SWaP multibeam digital beamformers use approximate computing to enable up to 90% smaller circuit complexity compared to FFT-based techniques used to achieve multiple orthogonal RF beams. Furthermore\, the proposed array processing systems exploit wave physics to improve the performance of key signal processing components in wireless base stations. Specifically\, the spatiotemporal causality properties of electromagnetic plane waves – as described in Special Theory of Relativity – are used in novel multi-port transceiver circuits to improve energy efficiency\, reduce additive white Gaussian noise\, and improve linearity of array receivers at the physical layer. The multi-dimensional frequency-domain region of support (ROS) of all propagating plane waves\, which correspond to wireless propagation channels\, are shown to be confined inside the “Light Cone”. The region of spacetime outside this light cone is a void (elsewhere) within which wireless communications signals cannot propagate. A “cone of silence” appears in the multidimensional spacetime frequency domain\, which demarcates a conical region outside of which waves do not exist. The aim is to spatio-temporally shape noise and transceiver distortion into this electromagnetically silent region so that their presence does not affect the performance of arrays. The technique enables multi-port versions of LNAs\, ADCs\, and DACs for array processing that exploits noise and shaping in multiple dimensions in space and time to greatly improve performance. \nBio: \nDr. Arjuna Madanayake is an Associate Professor of Electrical and Computer Engineering at Florida International University. His research interests include multidimensional signal processing\, array processing\, FPGA and digital systems\, microwave circuits\, VLSI\, analog and mixed-signal circuit design\, fast algorithms\, digital signal processing\, alternative computing\, wireless communications\, mm-wave systems and 5G/6G topics\, sub-THz and THz systems\, satellite communications\, wireless sensing and imaging\, radar sensing\, computing architecture\, internet of things (IoT)\, RF sensing for unmanned aerial systems\, and electronic warfare. He started an Assistant Professorship at the University of Akron in Ohio in 2010\, and received early tenure and promotion to Associate Professor in 2015. Dr. Madanayake was selected as the most outstanding candidate in Electrical Engineering and Computing Sciences category for the NSERC 2009 Canada Post-doctoral Fellowship competition. Dr. Madanayake completed a postdoctoral associateship in 2009 in which he explored multidimensional signal processing and FPGA circuits for beamformer aperture arrays as part of the Canadian Square Kilometer Array (SKA) effort. He completed the Ph.D. and M.Sc. both in Electrical Engineering at the University of Calgary\, specializing in multidimensional signal processing\, circuits and systems\, especially FPGA systems. In his current tenured appointment at FIU\, Dr. Madanayake directs the RF\, Analog and Digital (RAND) Circuits Lab at FIU which has been conducting multiple projects funded by 3 DARPA\, 3 ONR and 7 NSF awards. Arjuna tries to pursue elephant conservation and rural development in Sri Lanka\, and high-end audio engineering as hobbies.
URL:https://ece.northeastern.edu/event/electrical-and-computer-engineering-seminar-arjuna-madanayak/
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20200220T100000
DTEND;TZID=America/New_York:20200220T120000
DTSTAMP:20260508T091642
CREATED:20200128T012312Z
LAST-MODIFIED:20200207T005053Z
UID:4026-1582192800-1582200000@ece.northeastern.edu
SUMMARY:Engineers Week: PhD Engineering Research Expo
DESCRIPTION:Experience innovation firsthand! Engineering PhD students show their research in cutting-edge areas\, from robotics\, computer vision and biomechanics to nanomedicine\, cell- tissue engineering\, and machine learning\, at the second annual poster/oral presentation research exposition. Let the competition begin! \nCurry Student Center Ballroom
URL:https://ece.northeastern.edu/event/engineers-week-phd-engineering-research-expo/
LOCATION:Curry Student Center\, 360 Huntington Ave.\, Boston\, MA\, 02115\, United States
ORGANIZER;CN="Graduate School of Engineering":MAILTO:coe-gradadmissions@northeastern.edu
GEO:42.3394629;-71.0885286
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=Curry Student Center 360 Huntington Ave. Boston MA 02115 United States;X-APPLE-RADIUS=500;X-TITLE=360 Huntington Ave.:geo:-71.0885286,42.3394629
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20200220T120000
DTEND;TZID=America/New_York:20200220T130000
DTSTAMP:20260508T091642
CREATED:20200210T233743Z
LAST-MODIFIED:20200210T233743Z
UID:4094-1582200000-1582203600@ece.northeastern.edu
SUMMARY:Electrical and Computer Engineering Seminar: Dimitrios Skarlatos
DESCRIPTION:Location: ISEC 136 \nRethinking Operating System and Hardware Abstractions for Good and Evil \nAbstract: \nCurrent hardware and operating system abstractions were conceived at a time when we had minimal security threats\, scarce compute and memory resources and limited numbers of users. These assumptions are not true today. On one hand\, attacks such as Spectre and Meltdown have shown that current hardware is plagued by vulnerabilities. On the other hand\, new emerging cloud paradigms like microservices and serverless computing have led to the sharing of computing resources among hundreds of users at a time. In this new era of computing\, we can no longer afford to build each layer separately. Instead\, we have to rethink the synergy between the operating system and hardware from the ground up. \nIn this talk\, Skarlatos will focus on rethinking the virtual memory abstraction. First\, he will introduce Microarchitectural Replay Attacks\, a novel family of side-channel attacks that exploit existing virtual memory mechanisms. These attacks leverage the fact that\, in modern out-of-order processors\, a single dynamic instruction can be forced to execute many times. Then\, he will describe Elastic Cuckoo Page Tables\, his proposal to rebuild the virtual memory abstraction for parallelism. Finally\, he will conclude by describing ongoing and future directions towards redesigning the hardware and the operating system layers. \nBio:  \nDimitrios Skarlatos is a PhD student at the University of Illinois at Urbana-Champaign (UIUC)\, working with Professor Josep Torrellas.  His research lies at the intersection of computer architecture\, security\, and operating systems. He particularly enjoys questioning the fundamental assumptions behind computer design decisions. He builds practical solutions that improve the performance and bolster–or sometimes break–the security guarantees of computing systems. \nDimitrios is a UIUC College of Engineering Mavis Future Faculty Fellow. He is the recipient of the W. J. Poppelbaum Memorial Award\, the David J. Kuck Outstanding MS Thesis Award\, the UIUC Computer Science Excellence Fellowship\, a 2020 MICRO Top Picks in Computer Architecture\, and a 2019 MICRO Top Picks Honorable Mention. He was invited to participate in the Rising Stars in Computer Architecture workshop. He has earned an MS from UIUC and a BS in Electronic and Computer Engineering from the Technical University of Crete in Greece.
URL:https://ece.northeastern.edu/event/electrical-and-computer-engineering-seminar-dimitrios-skarlatos/
LOCATION:136 ISEC\, 360 Huntington Ave\, 136 ISEC\, Boston\, MA\, 02115\, United States
GEO:42.3401758;-71.0892797
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=136 ISEC 360 Huntington Ave 136 ISEC Boston MA 02115 United States;X-APPLE-RADIUS=500;X-TITLE=360 Huntington Ave\, 136 ISEC:geo:-71.0892797,42.3401758
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20200221T133000
DTEND;TZID=America/New_York:20200221T153000
DTSTAMP:20260508T091642
CREATED:20200213T015443Z
LAST-MODIFIED:20200219T025009Z
UID:4102-1582291800-1582299000@ece.northeastern.edu
SUMMARY:MathWorks Collaboration Day
DESCRIPTION:The MathWorks SMART Laboratory\nNortheastern University\nCollaboration Day Event \nFinancial Services and Computational Finance with MATLAB \nChris Garvin\nSenior Software\nEngineer Manager \nFinancial Services encompasses an array of application areas such as investing\, banking\, econometric modeling and risk management. Increasingly sophisticated software tools are being developed to provide financial products that give professionals a competitive advantage in this space. \nThis presentation will highlight industry segments and application areas illustrating how MathWorks applies computational finance tools and solutions to this space. You will learn about asset allocation\, sentiment analysis and algorithmic trading using MATLAB. \nThe first example will walk you through the steps to build an asset allocation strategy based on hierarchical risk parity and compare the results to a traditional mean variance methodology. Next\, a deep learning model will be used to classify the sentiments of Tweets as positive or negative. Sentiment analysis is used in investment decision making. Finally\, we will explore how a rule-based model is used to make trading decisions. \n\nBio:\nChris Garvin is a senior software engineering manager and principal software engineer leading the Computational Finance software development team. He has been at MathWorks since 1993. He has guided the development of products that serve the Financial Services and FinTech space and has been the primary developer of the Financial\, Database\, Datafeed and Trading Toolboxes and Spreadsheet Link. He received a Bachelor of Science in Electrical Engineering from Union College and an MBA certificate from Northeastern University. \n\nKeynote Address – Raytheon Amphitheater 1:30 — 2:30 pm\nPoster session and demonstrations – Raytheon Amphitheater 2:30 – 3:30 pm\nMathWorks employees\, Northeastern students and faculty will demonstrate their current work. \n\nList of demos from MathWorks that will be given from 2:30 to 3:30: \n\nText Analytics and sentiment analysis\nHierarchical risk parity\nImage Transmission and Reception Using WLAN Toolbox and One PlutoSDR\nModulation Classification with Deep Learning\nUrban Channel Link Analysis and Visualization using Ray Tracing\nReal-time ECG waveform segmentation using a deep network\nEmbedded Architecture Modeling and Targeting\n\n\nFor more information\, contact:\nMiriam Leeser\nmel@coe.neu.edu
URL:https://ece.northeastern.edu/event/mathworks-collaboration-day/
LOCATION:Raytheon Amphitheater (240 Egan)\, 360 Huntington Ave\, 240 Egan\, Boston\, MA\, 02115\, United States
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20200225T160000
DTEND;TZID=America/New_York:20200225T170000
DTSTAMP:20260508T091642
CREATED:20200224T200126Z
LAST-MODIFIED:20200224T200126Z
UID:4123-1582646400-1582650000@ece.northeastern.edu
SUMMARY:ECE Seminar: Faculty Openings in a Unique International Institute for Global Impact in Multidisciplinary Engineering
DESCRIPTION:Philip Krein\, Executive Dean\, Zhejiang University/University of Illinois at Urbana-Champaign Institute \nOverview: \nCome learn about the many open faculty positions at a new campus in China (bring resumes!).  The Zhejiang University/University of Illinois at Urbana-Champaign Institute (ZJUI) is a joint engineering college on the new Zhejiang University (ZJU) International Campus in Haining\, China\, about 120 km southwest of Shanghai. ZJUI is a unique peer partnership of two leading global universities. The programs and research themes build on more than 100 years of University of Illinois involvement in China\, and decades of active research collaborations between the two partners. ZJUI conducts teaching and research in broad program themes of advanced materials and devices engineering sciences; information and data sciences; and energy\, environment\, and infrastructure sciences. Undergraduate and graduate degrees are offered in civil engineering\, computer engineering\, electrical engineering\, and mechanical engineering.  Numerous faculty positions are open in these disciplines\, computer science\, materials engineering\, mathematics\, and related fields. \nA short talk will be given that describes how projects and issues in China illustrate fundamental global development challenges.  Examples are presented in terms of infrastructure\, energy\, environmental impact\, advanced manufacturing\, data sciences\, and other major topics.  In each case\, innovations in the United States and in China have huge potential global impact if they can be scaled up and applied broadly.  The talk discusses how a new generation of science and engineering faculty with multidisciplinary interests and global aspirations will be developed to lead global impact. It will also be an opportunity for Northeastern graduate students to learn more about how to apply for faculty positions at ZJU-UIUC. \nBiography: Philip Krein holds the Grainger Endowed Chair Emeritus in Electric Machinery and Electromechanics at the University of Illinois at Urbana-Champaign. He is also Executive Dean of the Zhejiang University/University of Illinois Institute in Haining\, China\, and a faculty member at Zhejiang University in Hangzhou\, China.  From 2003 to 2014 he was a Founder and Director of SolarBridge Technologies\, Inc.\, Austin\, TX\, a developer of long-life integrated inverters for solar energy. He holds 42 U.S. patents. His current research interests include power electronics\, machines\, electric transportation\, and renewable energy\, with an emphasis on nonlinear control approaches.  Dr. Krein received the IEEE William E. Newell Award in Power Electronics and is a past President of the IEEE Power Electronics Society and a past Chair of the IEEE Transportation Electrification Community.  He is a member of the U.S. National Academy of Engineering\, a fellow of the National Academy of Inventors\, and a Foreign Expert under the China 1000 Talents Program.
URL:https://ece.northeastern.edu/event/ece-seminar-faculty-openings-in-a-unique-international-institute-for-global-impact-in-multidisciplinary-engineering/
LOCATION:442 Dana\, 360 Huntington Ave\, 442 DA\, Boston\, MA\, 02115\, United States
GEO:42.3387508;-71.0923044
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=442 Dana 360 Huntington Ave 442 DA Boston MA 02115 United States;X-APPLE-RADIUS=500;X-TITLE=360 Huntington Ave\, 442 DA:geo:-71.0923044,42.3387508
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20200226T110000
DTEND;TZID=America/New_York:20200226T120000
DTSTAMP:20260508T091642
CREATED:20200220T195112Z
LAST-MODIFIED:20200220T195112Z
UID:4117-1582714800-1582718400@ece.northeastern.edu
SUMMARY:Electrical and Computer Engineering Seminar: Lili Su
DESCRIPTION:Location: ISEC 138 \nLearning with Distributed Systems: Adversary-Resilience and Neural Networks \nAbstract: \nIn this talk\, Su will first talk about how to secure Federated Learning (FL) against adversarial faults.\nFL is a new distributed learning paradigm proposed by Google. The goal of FL is to enable the cloud (i.e.\, the learner) to train a model without collecting the training data from users’ mobile devices. Compared with traditional learning\, FL suffers serious security issues and several practical constraints call for new security strategies. Towards quantitative and systematic insights into the impacts of those security issues\, Su and her team formulated and studied the problem of Byzantine-resilient Federated Learning. Su proposed two robust learning rules that secure gradient descent against Byzantine faults. The estimation error achieved under our more recently proposed rule is order-optimal in the minimax sense.\nThen\, she will briefly talk about her recent results on neural networks\, including both biological and artificial neural networks. Notably\, her results on the artificial neural networks (i.e.\, training over-parameterized 2-layer neural networks) improved the state-of-the-art. In particular\, they showed that nearly-linear network over-parameterization is sufficient for the global convergence of gradient descent. \nBio:\nLili Su is a postdoc in the Computer Science and Artificial Intelligence Laboratory (CSAIL) at MIT\, hosted by Professor Nancy Lynch. She received a Ph.D. in Electrical and Computer Engineering from the University of Illinois at Urbana-Champaign in 2017\, supervised by Professor Nitin H. Vaidya. Her research intersects distributed systems\, learning\, security\, and brain computing. She was the runner-up for the Best Student Paper Award at DISC 2016\, and she received the 2015 Best Student Paper Award at SSS 2015. She received UIUC’s Sundaram Seshu International Student Fellowship for 2016\, and was invited to participate in Rising Stars in EECS (2018). She has served on TPC for several conferences including ICDCS and ICDCN
URL:https://ece.northeastern.edu/event/electrical-and-computer-engineering-seminar-lili-su/
LOCATION:138 ISEC\, 360 Huntington Ave\, 138 ISEC\, Boston\, MA\, 02115\, United States
GEO:42.3401758;-71.0892797
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=138 ISEC 360 Huntington Ave 138 ISEC Boston MA 02115 United States;X-APPLE-RADIUS=500;X-TITLE=360 Huntington Ave\, 138 ISEC:geo:-71.0892797,42.3401758
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20200227T110000
DTEND;TZID=America/New_York:20200227T120000
DTSTAMP:20260508T091642
CREATED:20200221T194910Z
LAST-MODIFIED:20200221T194910Z
UID:4120-1582801200-1582804800@ece.northeastern.edu
SUMMARY:Electrical and Computer Engineering Seminar: Kai Sun
DESCRIPTION:Location: Dana 442 \nSeminar Title: A More Resilient Power Grid with Faster-Than-Real-Time Stability \nAbstract: \nSince the northeast blackout of 1965\, cascading blackouts have continued to happen on power grids in the North America and other countries. For a grid operator\, it is vitally important to be aware of real-time stability and reliability margin for the current grid state under possible disturbances. However\, a real-world power grid is an extremely complex\, nonlinear network system. For instance\, the bulk electric system of a US power grid is typically modeled by nonlinear DAEs on 5\,000+ electric machines and 50\,000+ nodes. Fast stability analysis and simulation of such a large-scale dynamical system subject even to a single disturbance is quite challenging. In the next decade\, renewable generation\, such as power electronics-interfaced distributed energy resources\, will reach 30%-50% in power grids of many countries. That can further increase the complexity of a power grid\, change its dynamic characteristics and bring more uncertainties and challenges to real-time grid operations. For a more resilient grid\, the power industry is looking forward to emerging technologies that enable “faster-than-real-time” stability assessment and adaptive\, distributed control to prevent and mitigate cascading power outages. The speaker will share his visions and research in this field and introduce two promising enabling approaches established with ongoing supports from NSF and DOE: 1) faster-than-real-time grid simulation using a semi-analytical approach\, and 2) grid stability assessment and control based on a new method named “Nonlinear Modal Decoupling” and the utilization of wide-area measurements and distributed energy resources. \nBio:\nKai Sun is an associate professor with the Department of Electrical Engineering and Computer Science in the University of Tennessee\, Knoxville. He is also a faculty member with the NSF/DOE Engineering Research Center for Ultra-Wide-Area-Resilient Electric Energy Transmission Networks (CURENT). He received his Bachelor’s degree in automation in 1999 and his Ph.D. degree in control science and engineering in 2004 both from Tsinghua University\, Beijing. He received the National Top 100 Doctoral Dissertations Award in 2006 from the Ministry of Education of China. Before joining the University of Tennessee\, Dr. Sun was a project manager with the Electric Power Research Institute (EPRI) from 2007 to 2012 for R&D programs in the area of grid operations\, planning and renewable integration. Earlier\, he worked as a research associate at Arizona State University\, Tempe.\nDr. Sun received EPRI Chauncey Award\, the institute’s highest honor\, in 2009\, two best papers awards from IEEE Power & Energy Society General Meetings in 2014 and 2015\, NSF CAREER Award in 2016\, the “Most Valuable Players” Award by North American Synchrophasor Initiative and DOE in 2016\, and the Professional Promise in Research Award twice in 2016 and 2019 by the College of Engineering\, the University of Tennessee. Dr. Sun authored one book titled Power System Control under Cascading Failures and 70+ journal publications. He is currently an associate editor with four IEEE journals including IEEE Transactions on Power Systems\, IEEE Transactions on Smart Grid\, IEEE Access and IEEE Open Access Journal of Power and Energy.
URL:https://ece.northeastern.edu/event/electrical-and-computer-engineering-seminar-kai-sun/
LOCATION:442 Dana\, 360 Huntington Ave\, 442 DA\, Boston\, MA\, 02115\, United States
GEO:42.3387508;-71.0923044
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=442 Dana 360 Huntington Ave 442 DA Boston MA 02115 United States;X-APPLE-RADIUS=500;X-TITLE=360 Huntington Ave\, 442 DA:geo:-71.0923044,42.3387508
END:VEVENT
END:VCALENDAR