32. SIGIR 2009: Boston, MA, USA

Classification and clustering

Novel search features

Expansion and feedback

Speech and linguistic processing

Retrieval models I

Web 2.0

Efficiency

Question answering

Recommenders I

Web Retrieval I

Learning to rank I

Information extraction

Retrieval models II

Vertical search

Clickthrough models

Interactive search

Multimedia I (music and video)

Federated, distributed search

Evaluation and measurement I

Learning to rank II

Multimedia II (images and tags)

Evaluation and measurement II

Recommenders II

Query formulation

Web Retrieval II

Spamming

Posters

Demonstrations

Doctoral consortium