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2. ICTIR 2009: Cambridge, UK
- Leif Azzopardi, Gabriella Kazai, Stephen E. Robertson, Stefan M. Rüger, Milad Shokouhi, Dawei Song, Emine Yilmaz:

Advances in Information Retrieval Theory, Second International Conference on the Theory of Information Retrieval, ICTIR 2009, Cambridge, UK, September 10-12, 2009, Proceedings. Lecture Notes in Computer Science 5766, Springer 2009, ISBN 978-3-642-04416-8
Invited Talk
- Peter Bruza

:
Is There Something Quantum-Like about the Human Mental Lexicon?. 1
Regular Papers
Efficiency
- Ingemar J. Cox

, Ruoxun Fu, Lars Kai Hansen:
Probably Approximately Correct Search. 2-16 - Douglas Vincent de Jager, Jeremy T. Bradley:

PageRank: Splitting Homogeneous Singular Linear Systems of Index One. 17-28 - Andrea Esuli

, Fabrizio Sebastiani
:
Training Data Cleaning for Text Classification. 29-41
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 Levi-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 - Tobias Blanke, Mounia Lalmas:

Specificity Aboutness in XML Retrieval. 176-187
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 - Mark D. Smucker

, James Allan:
A New Measure of the Cluster Hypothesis. 281-288
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
- Marijn Koolen

, Jaap Kamps
:
What's in a Link? From Document Importance to Topical Relevance. 313-321 - M. Eduardo Ares

, Javier Parapar
, Alvaro Barreiro
:
Avoiding Bias in Text Clustering Using Constrained K-means and May-Not-Links. 322-329 - Willem Elbers, Theo P. van der Weide:

Optimizing WebPage Interest. 330-337
Posters
- Gerald Benoît:

The "Beautiful" in Information. 338-341 - Matteo Cattelan, Stefano Mizzaro

:
IR Evaluation without a Common Set of Topics. 342-345 - 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

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