WWW2011-Unified Analysis of Streaming News Amr Ahmed, Qirong Ho, Jacob Eisenstein, Eric Xing, Carnegie Mellon University, Alexander J. Smola, Choon Hui.

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WWW2011-Unified Analysis of Streaming News Amr Ahmed, Qirong Ho, Jacob Eisenstein, Eric Xing, Carnegie Mellon University, Alexander J. Smola, Choon Hui Teo Yahoo! Research

Motivation Clustering News into Stories. – Based on Entity, time, etc.. – Cant identify high-level topics Topic Modeling – LDA, etc – Cant cluster stories well. Propose: Cluster + Topic

Cluster Model: Recurrent Chinese Restaurant Process

Topic Model: LDA

Storyline Model

Inference: Particle Filtering

Sampling Topics

Sampling Stories

Sampling Stories – cont. too expensive: instead, sample s* from with acceptance rate Update particle weight

Experiments Baseline: single-link clustering.

Application: Structured Browsing