December 2007


Volume 41 Number 2

Table of Contents


From the Chair
Liz Liddy, pp 1-2

ACM SIGIR Annual Business Meeting 2007: Secretary’s Notes
David D. Lewis, pp 3-7


Ambiguous Requests: Implications for Retrieval Tests, Systems and Theories
Karen Spärck-Jones, Stephen E. Robertson and Mark Sanderson, pp 8-17

SIGIR’s 30th Anniversary: An Analysis of Trends in IR Research and the Topology of its Community
Djoerd Hiemstra, Claudia Hauff, Franciska de Jong and Wessel Kraaij, pp 18-24

Meeting of the MINDS: An Information Retrieval Research Agenda
Jamie Callan, James Allan, Charles L. A. Clarke, Susan Dumais, David A. Evans, Mark Sanderson and ChengXiang Zhai, pp 25-34

On the Value of Temporal Information in Information Retrieval
Omar Alonso, Michael Gertz and Ricardo Baeza-Yates, pp 35-41

The CSIRO Enterprise Search Test Collection
Peter Bailey, Nick Craswell, Ian Soboroff and Arjen P. de Vries, pp 42-45

Conference Reports

The RIAO 2007 Conference – A Personal View
Adrian Popescu, pp 46-54

SIGIR Workshop Reports

The SIGIR 2007 Workshop Program
Josiane Mothe, pp 55-57

Learning to Rank for Information Retrieval (LR4IR 2007)
Thorsten Joachims, Hang Li, Tie-Yan Liu and ChengXiang Zhai, pp 58-62

Workshop on Web Information Seeking and Interaction
Kerry Rodden, Ian Ruthven and Ryen W. White, pp 63-67

Plagiarism Analysis, Authorship Identification, and Near-Duplicate Detection (PAN’07)
Benno Stein, Moshe Koppel and Efstathios Stamatatos, pp 68-71

Improving Non-English Web Searching (iNEWS07)
Fotis Lazarinis, Jesus Vilares Ferro and John Tait, pp 72-76

Multimedia Information Retrieval: “New Challenges in Audio Visual Search”
Roelof van Zwol, Stefan R¸ger, Mark Sanderson and Yosi Mass, pp 77-82

Workshop on Large-Scale Distributed Systems for Information Retrieval
Flavio P. Junqueira, Vassilis Plachouras and Fabrizio Silvestri, pp 83-88

Information Retrieval and Applications of Graphical Models (IRGM 2007)
Juan M. Fernández-Luna, Benjamin Piwowarski and Juan F. Huete, pp 89-96

Report on the SIGIR 2007 Workshop on Focused Retrieval
Andrew Trotman, Shlomo Geva and Jaap Kamps, pp 97-103

Searching Spontaneous Conversational Speech
Franciska de Jong, Douglas W. Oard, Roeland Ordelman and Stephan Raaijmakers, pp 104-108

Other Workshop Reports

EVIA 2007: The First International Workshop on Evaluating Information Access
Mark Sanderson, Tetsuya Sakai and Noriko Kando, pp 109-111

Query Log Analysis: Social and Technological Challenges
G. Craig Murray and Jaime Teevan, pp 112-120

7th Dutch-Belgian Information Retrieval Workshop March 28- 29, 2007 Katholieke Universiteit Leuven, Belgium
Marie-Francine Moens, Tinne Tuytelaars and Arjen de Vries, pp 121-122

Dissertation Abstracts

Feature Generation for Textual Information Retrieval Using World Knowledge
Evgeniy Gabrilovich, p 123

Toponym Resolution in Text (Annotation, Evaluation and Application of Spatial Grounding)
Jochen L. Leidner, pp 124-126

Aspects of Sentence Retrieval
Vanessa Murdock, p 127