2. ICTIR 2009: Cambridge, UK
Leif Azzopardi, Gabriella Kazai, Stephen E. Robertson, Stefan M. Rüger, Milad Shokouhi, Dawei Song, Emine Yilmaz (Eds.): Advances in Information Retrieval Theory, Second International Conference on the Theory of Information Retrieval, ICTIR 2009, Cambridge, UK, September 10-12, 2009, Proceedings. Springer 2009 Lecture Notes in Computer Science ISBN 978-3-642-04416-8
Invited Talk
Peter Bruza: Is There Something Quantum-Like about the Human Mental Lexicon?. 1
Regular Papers
Efficiency

Douglas V. de Jager, Jeremy T. Bradley: PageRank: Splitting Homogeneous Singular Linear Systems of Index One. 17-28
Retrieval Models
Donald Metzler, Hugo Zaragoza: Semi-parametric and Non-parametric Term Weighting for Information Retrieval. 42-53
Stéphane Clinchant, Éric Gaussier: Bridging Language Modeling and Divergence from Randomness Models: A Log-Logistic Model for IR. 54-65
Mohamed Farah: Ordinal Regression Based Model for Personalized Information Retrieval. 66-78
Natali Soskin, Oren Kurland, Carmel Domshlak: Navigating in the Dark: Modeling Uncertainty in Ad Hoc Retrieval Using Multiple Relevance Models. 79-91
Query and Term Models
Christina Lioma, Roi Blanco, Raquel Mochales Palau, Marie-Francine Moens: A Belief Model of Query Difficulty That Uses Subjective Logic. 92-103
Raghavendra Udupa, Abhijit Bhole, Pushpak Bhattacharyya: "A term is known by the company it keeps": On Selecting a Good Expansion Set in Pseudo-Relevance Feedback. 104-115
Eduard Hoenkamp, Peter Bruza, Dawei Song, Qiang Huang: An Effective Approach to Verbose Queries Using a Limited Dependencies Language Model. 116-127
Dell Zhang, Jinsong Lu, Robert Mao, Jian-Yun Nie: Time-Sensitive Language Modelling for Online Term Recurrence Prediction. 128-138
Evaluation
Avi Arampatzis, Stephen Robertson, Jaap Kamps: Score Distributions in Information Retrieval. 139-151
Evangelos Kanoulas, Virgiliu Pavlu, Keshi Dai, Javed A. Aslam: Modeling the Score Distributions of Relevant and Non-relevant Documents. 152-163
Yiming Yang, Abhimanyu Lad: Modeling Expected Utility of Multi-session Information Distillation. 164-175
Novelty and Diversity
Charles L. A. Clarke, Maheedhar Kolla, Olga Vechtomova: An Effectiveness Measure for Ambiguous and Underspecified Queries. 188-199
Ben Carterette: An Analysis of NP-Completeness in Novelty and Diversity Ranking. 200-211
Anna Khudyak Kozorovitzky, Oren Kurland: From "Identical" to "Similar": Fusing Retrieved Lists Based on Inter-document Similarities. 212-223
Short Papers
New Perspectives in IR
Benjamin Piwowarski, Mounia Lalmas: A Quantum-Based Model for Interactive Information Retrieval. 224-231
Guido Zuccon, Leif Azzopardi, Keith van Rijsbergen: The Quantum Probability Ranking Principle for Information Retrieval. 232-240
Kostadin Koroutchev, Elka Korutcheva, Jian Shen: Written Texts as Statistical Mechanical Problem. 241-248
Nikolaos Nanas, Anne N. De Roeck, Manolis Vavalis: What Happened to Content-Based Information Filtering?. 249-256
Retrieval Models
Corrado Boscarino, Arjen P. de Vries: Prior Information and the Determination of Event Spaces in Probabilistic Information Retrieval Models. 257-264
Kevyn Collins-Thompson: Robust Word Similarity Estimation Using Perturbation Kernels. 265-272
Anas Dahabiah, John Puentes, Basel Solaiman: Possibilistic Similarity Estimation and Visualization. 273-280
User Aspects
Kalervo Järvelin: Explaining User Performance in Information Retrieval: Challenges to IR Evaluation. 289-296
Haiming Liu, Victoria S. Uren, Dawei Song, Stefan M. Rüger: A Four-Factor User Interaction Model for Content-Based Image Retrieval. 297-304
Anna Shtok, Oren Kurland, David Carmel: Predicting Query Performance by Query-Drift Estimation. 305-312
Web Models

M. Eduardo Ares, Javier Parapar, Alvaro Barreiro: Avoiding Bias in Text Clustering Using Constrained K-means and May-Not-Links. 322-329
Posters
Gerald Benoît: The "Beautiful" in Information. 338-341
Jean-Cédric Chappelier, Emmanuel Eckard: An Ad Hoc Information Retrieval Perspective on PLSI through Language Model Identification. 346-349
Jan Frederik Forst, Anastasios Tombros, Thomas Rölleke: Less Is More: Maximal Marginal Relevance as a Summarisation Feature. 350-353
Eduard Hoenkamp: On the Notion of "An Information Need". 354-357
Christina Lioma, Roi Blanco, Marie-Francine Moens: A Logical Inference Approach to Query Expansion with Social Tags. 358-361
Davide Menegon, Stefano Mizzaro, Elena Nazzi, Luca Vassena: Evaluating Mobile Proactive Context-Aware Retrieval: An Incremental Benchmark. 362-365
Jie Peng, Ben He, Iadh Ounis: Predicting the Usefulness of Collection Enrichment for Enterprise Search. 366-370
Joaquín Pérez-Iglesias, Lourdes Araujo: Ranking List Dispersion as a Query Performance Predictor. 371-374
Hengzhi Wu, Thomas Roelleke: Semi-subsumed Events: A Probabilistic Semantics of the BM25 Term Frequency Quantification. 375-379
Dell Zhang, Jinsong Lu: Batch-Mode Computational Advertising Based on Modern Portfolio Theory. 380-383



