Foundations and Trends® in Information Retrieval Editors-in-Chief: Jamie Callan, Carnegie Mellon University www.cs.cmu.edu/~callan/ Fabrizio Sebastiani, Consiglio Nazionale delle Ricerche nmis.isti.cnr.it/sebastiani/ Print ISSN: 1554-0669 Online ISSN: 1554-0677 Americas USD 345 / All other countries EURO 345 (electronic) Americas USD 385 / All other countries EURO 385 (combined) Published Issues Each issue of the journal is available online. If your institution subscribes you will have access to the full text HTML and PDF of the journal. See "Do I have Online Access? If your institution does not subscribe, each issue is available for purchase as a book or e-book. Volume 2, Issue 1-2 Opinion Mining and Sentiment Analysis By Bo Pang (Yahoo! Research) and Lillian Lee (Cornell) Volume 1, Issue 4 Email Spam Filtering: A Systematic Review By Gordon Cormack (University of Waterloo) Volume 1, Issue 3 Authorship Attribution By Patrick Juola (Duquesne University) Volume 1, Issue 2 Open-Domain Question-Answering By John Prager (IBM) Volume 1, Issue 1 Music Retrieval: A Tutorial and Review By Nicola Orio (University of Padova) Upcoming Issues Language Models By ChengXiang Zhai (UIUC) Mining Query Logs By Fabrizio Silvestri (National Council of Research, IT) Studying Interactive Information Retrieval Systems and Users By Diane Kelly (University of North Carolina, US)