1. GSLIS at the Text REtrieval Conference--Retrieving and Filtering Real-Time Information Miles Efron, Jana Diesner, Peter Organisciak, Garrick Sherman, Ana Lucic {mefron, et al.}@illinois.edu

2. GSLIS 2012 TREC: The Text REtrieval Conference NIST Web Legal … … microblog Knowledge base acceleration (KBA) “tracks” ~80 teams total in 2012

3. Real-Time Information Retrieval Query: aristide returns haiti

4. Real-Time Information Filtering Entity: aharon barak

5. Core Problem: Entity Representation Explore / Exploit Tradeoff Bayesian Updating http://abovethelaw.com/tag/aharon-barak/ http://www.indynewsisrael.com/tag/aharon-barak

6. Core Approach: Estimation via Light Analysis of Big Data CorpusDocumentsTb KBA 2012462,676,4728.7 Tweets 2013~160M0.2 ClueWeb091,040,809,70525 GSLIS’ Continuing Role at TREC Co-Organizers of the 2013 Microblog Track Time is increasingly central to large-scale information retrieval Temporal Summarization Track Contextual Suggestion Track 2012 SIGIR workshop on Time-Aware IR