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Events for October 08, 2013
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Ph.D.. Defense
Tue, Oct 08, 2013 @ 09:00 AM - 11:00 PM
Ming Hsieh Department of Electrical and Computer Engineering
Conferences, Lectures, & Seminars
Speaker: Charalampos Chelmis, Ph.D. Candidate / USC Viterbi School of Engineering
Talk Title: HETEROGENEOUS GRAPHS VS MULTI-MODAL CONTENT: MODELING, MINING AND ANALYSIS OF SOCIAL NETWORK DATA
Abstract: Complex networks arise everywhere. Online social networks are famous complex networks due to (a) revolutionizing the way people interact on the Web, and (b) permitting in practice the study of interdisciplinary theories that arise from human activities, at both micro (i.e. individual) and macro (i.e. community) level. Understanding the rich properties and dimensional interdependencies of topology and content in complex networks is necessary to uncover hidden structures and emergent knowledge.
We propose a formal model that abstracts the semantics of complex networks into an integrated, context aware, time sensitive, multi-dimensional space, enabling holistic examination of their static and dynamic properties, facilitating joint analysis of graphs and content and their explicit and implicit interactions. Traditionally, network analysis methods, either ignore content and focus on the network structure, or make implicit assumptions about the complex correlation of these two components. We show that accurately modeling multiple symmetric or asymmetric, explicit and hidden interaction channels between people, integrating auxiliary networks into a unified framework, leads to significant performance improvements in a variety of prediction and recommendation tasks. We empirically verify this insight using real-world datasets from online social networks and corporate microblogging data.
In this research, we investigate implicit relationships in composite networks. We propose a novel, robust model which facilitates multimodal analysis of time varying, complex social networking data. We 1) study informal communication behavior, information sharing, and influence at the workplace, 2) perform accurate communication intention prediction using auxiliary information, and 3) significantly improve social tie recommendation in online social bookmarking systems by exploiting the dynamics of collaborative annotation.
Biography: Charalampos Chelmis is a PhD candidate in the Department of Computer Science at the University of Southern California, Los Angeles. His research interests include modeling, mining and analysis of composite networks, large-scale (big) data analytics and information integration. He received his Master of Science in Computer Science from the University of Southern California in 2010 and his Bachelor in Computer Engineering & Informatics from the University of Patras, Greece in 2007.
Host: Defense Chair: Prof Viktor K. Prasanna
Location: Hughes Aircraft Electrical Engineering Center (EEB) - 110
Audiences: Everyone Is Invited
Contact: Janice Thompson
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EE Ice Cream Social
Tue, Oct 08, 2013 @ 02:00 PM - 04:00 PM
Ming Hsieh Department of Electrical and Computer Engineering
Receptions & Special Events
Ming Hsieh Department of Electrical Engineering invites EE Undergraduate and Graduate Students, Faculty, and Staff for our Annual Ice Cream Social. The social will take place at the EEB Courtyard (between EEB & RTH) and will begin at 2pm. While supplies last. Must have Ming Hsieh Events Sticker on ID. You can obtain a sticker at EEB 102.
Location: Hughes Aircraft Electrical Engineering Center (EEB) - Courtyard
Audiences: EE Students, Faculty, & Staff
Contact: Gloria Halfacre
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Towards a Smarter Wireless Sensor Networks, UAVs and Smartphones: our experiences in São Paulo, Brazil
Tue, Oct 08, 2013 @ 02:00 PM - 03:00 PM
Ming Hsieh Department of Electrical and Computer Engineering
Conferences, Lectures, & Seminars
Speaker: Dr. Jo Ueyama, Associate Professor, University of São Paulo
Talk Title: Towards a Smarter Wireless Sensor Networks, UAVs and Smartphones: our experiences in São Paulo, Brazil
Abstract: This talk will summarize the work led by Dr. Jó Ueyama in the field of wireless networks at ICMC/USP (University of Sao Paulo, Brazil). The focus of this presentation will be to show the progress achieved on our prototype in wireless sensor networks (WSN) for urban river monitoring. Currently, our group has four undergraduate, two master, and four PhD students. They all investigate various topics in the field of wireless networks. This includes smart grids, the use of UAVs (and wireless sensor networks) for precision agriculture as well as HCI for smartphones targeted to the elderly public. The key question of our group is: how can we provide a smarter WSN, UAV and smartphone? The talk will include a summary of each line of research.
Biography: Dr. Ueyama is an Associate Professor at the University of São Paulo since 2008. Jó concluded his PhD at Lancaster University, UK and worked as a posdoc at the University of Kent-UK before heading back to Brazil. His multidisciplinary research in Brazil has been featured in several local and national medias. For further info, please check out www.icmc.usp.br/~joueyama
Host: Professor Viktor K. Prasanna
Location: Hughes Aircraft Electrical Engineering Center (EEB) - 110
Audiences: Everyone Is Invited
Contact: Janice Thompson