SIGIR 2014 Workshop

Privacy-Preserving IR: When Information Retrieval Meets Privacy and Security


Luo Si is an Associate Professor at Purdue University. His research interests include information retrieval, machine learning techniques and applications and information privacy/security with more than 100 publications. In particular, he has recently worked on applications of detection and anonymization of sensitive text information, privacy-preserving information search and malicious software detection with information retrieval and machine learning techniques. Si is an associate editor of ACM Transactions on Information System (TOIS), ACM Transactions on Interactive Information Systems (TIIS) and an editorial board member of Information Processing and Management (IPM). He has been an Area Chair for ACM SIGIR, WWW, WSDM and CIKM. Si was a workshop co-chair for SIGIR 2011. Homepage:

Grace Hui Yang is an Assistant Professor in the Department of Computer Science at Georgetown University. Grace's current research interests include privacy-preserving information retrieval, particularly online information exposure detection that predicts the vulnerability for common Web activities and warns users about the sensitivity of their activities before they make innocent moves. Her research interests also include session search, evaluation, information organization and ontology construction. Prior to this, Grace has worked on question answering, near-duplicate detection, multimedia information retrieval, and opinion and sentiment detection. The results of her research have been published in SIGIR, CIKM, ACL, TREC, ECIR, and WWW since 2002. Grace co-chaired the SIGIR 2013 and SIGIR 2014 Doctoral Consortium and serves as a program committee member in SIGIR, ACL, EMNLP, CIKM, WSDM, and KDD. Homepage:

Student Organizers

Sicong Zhang is a Ph.D student and Graduate Research Assistant in the Department of Computer Science at Georgetown University, advised by Prof. Grace Hui Yang. Sicong's current research interests lie in session search and privacy-preserving information retrieval. He has publications in SIGIR and TREC. Homepage:

Lei Cen is a Ph.D. student at Purdue University with Prof. Luo Si as his adviser. His research interests include information retrieval, machine learning and information security. He is recently working on malicious application detection on Android platform, particularly on user comment analysis on Google play.

Website last updated: Jun 20th, 2014.