GSLIS at the Text REtrieval Conference--Retrieving and Filtering Real-Time Information Miles Efron, Jana Diesner, Peter Organisciak, Garrick Sherman, Ana Lucic {mefron, et

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

Real-Time Information Retrieval Query: aristide returns haiti

Real-Time Information Filtering Entity: aharon barak

Core Problem: Entity Representation Explore / Exploit Tradeoff Bayesian Updating

Core Approach: Estimation via Light Analysis of Big Data CorpusDocumentsTb KBA ,676, 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