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ECIR 2011: Dublin, Ireland
- Paul D. Clough, Colum Foley, Cathal Gurrin, Gareth J. F. Jones, Wessel Kraaij, Hyowon Lee, Vanessa Murdock:

Advances in Information Retrieval - 33rd European Conference on IR Research, ECIR 2011, Dublin, Ireland, April 18-21, 2011. Proceedings. Lecture Notes in Computer Science 6611, Springer 2011, ISBN 978-3-642-20160-8
Keynote Talks
- Kalervo Järvelin:

IR Research: Systems, Interaction, Evaluation and Theories. 1-3 - Evgeniy Gabrilovich:

Ad Retrieval Systems in vitro and in vivo: Knowledge-Based Approaches to Computational Advertising. 4-5 - Thorsten Joachims:

The Value of User Feedback. 6
Text Categorisation (I)
- Heung-Seon Oh, Yoonjung Choi, Sung-Hyon Myaeng:

Text Classification for a Large-Scale Taxonomy Using Dynamically Mixed Local and Global Models for a Node. 7-18 - Peng Li, Bin Wang, Wei Jin, Yachao Cui:

User-Related Tag Expansion for Web Document Clustering. 19-31 - Andrea Addis, Giuliano Armano, Eloisa Vargiu:

A Comparative Experimental Assessment of a Threshold Selection Algorithm in Hierarchical Text Categorization. 32-42
Recommender Systems
- Christian Wartena

, Martin Wibbels:
Improving Tag-Based Recommendation by Topic Diversification. 43-54 - Jorge Carrillo de Albornoz

, Laura Plaza
, Pablo Gervás, Alberto Díaz:
A Joint Model of Feature Mining and Sentiment Analysis for Product Review Rating. 55-66 - Qiaoling Liu, Eugene Agichtein:

Modeling Answerer Behavior in Collaborative Question Answering Systems. 67-79
Web IR (I)
- Karl Gyllstrom, Marie-Francine Moens:

Clash of the Typings - Finding Controversies and Children's Topics Within Queries. 80-91 - Marijn Koolen, Jaap Kamps

:
Are Semantically Related Links More Effective for Retrieval? 92-103 - Edward Bortnikov, Ronny Lempel, Kolman Vornovitsky:

Caching for Realtime Search. 104-116 - Avi Arampatzis

, Pavlos S. Efraimidis, George Drosatos
:
Enhancing Deniability against Query-Logs. 117-128
IR Evaluation
- Stephen Robertson

:
On the Contributions of Topics to System Evaluation. 129-140 - Jaime Arguello, Fernando Diaz

, Jamie Callan, Ben Carterette:
A Methodology for Evaluating Aggregated Search Results. 141-152 - Omar Alonso, Ricardo Baeza-Yates:

Design and Implementation of Relevance Assessments Using Crowdsourcing. 153-164 - Gabriella Kazai:

In Search of Quality in Crowdsourcing for Search Engine Evaluation. 165-176
IR for Social Networks (I)
- Hiroya Takamura

, Hikaru Yokono, Manabu Okumura:
Summarizing a Document Stream. 177-188 - Nitin Chiluka, Nazareno Andrade, Johan A. Pouwelse

:
A Link Prediction Approach to Recommendations in Large-Scale User-Generated Content Systems. 189-200 - Sheila Kinsella, Alexandre Passant, John G. Breslin:

Topic Classification in Social Media Using Metadata from Hyperlinked Objects. 201-206 - Ilija Subasic, Bettina Berendt:

Peddling or Creating? Investigating the Role of Twitter in News Reporting. 207-213
Cross-Language IR
- Yulan He

:
Latent Sentiment Model for Weakly-Supervised Cross-Lingual Sentiment Classification. 214-225 - Jagadeesh Jagarlamudi, Paul N. Bennett:

Fractional Similarity: Cross-Lingual Feature Selection for Search. 226-237 - Ahmed Hefny, Kareem Darwish, Ali El Kahki:

Is a Query Worth Translating: Ask the Users! 238-250
IR Theory (I)
- Katja Hofmann, Shimon Whiteson, Maarten de Rijke

:
Balancing Exploration and Exploitation in Learning to Rank Online. 251-263 - Tereza Iofciu, Gianluca Demartini

, Nick Craswell, Arjen P. de Vries:
ReFER: Effective Relevance Feedback for Entity Ranking. 264-276 - Ronan Cummins, Mounia Lalmas, Colm O'Riordan:

The Limits of Retrieval Effectiveness. 277-282 - Deyu Zhou, Yulan He

:
Learning Conditional Random Fields from Unaligned Data for Natural Language Understanding. 283-288
Text Categorisation (II)
- Radim Rehurek:

Subspace Tracking for Latent Semantic Analysis. 289-300 - Alejandro Bellogín

, Jun Wang, Pablo Castells
:
Text Retrieval Methods for Item Ranking in Collaborative Filtering. 301-306 - Nedim Lipka, Benno Stein:

Classifying with Co-stems - A New Representation for Information Filtering. 307-313
Multimedia IR
- Marçal Rusiñol, David Aldavert, Dimosthenis Karatzas, Ricardo Toledo, Josep Lladós

:
Interactive Trademark Image Retrieval by Fusing Semantic and Visual Content. 314-325 - Avi Arampatzis

, Konstantinos Zagoris, Savvas A. Chatzichristofis:
Dynamic Two-Stage Image Retrieval from Large Multimodal Databases. 326-337
IR for Social Networks (II)
- Wayne Xin Zhao, Jing Jiang, Jianshu Weng

, Jing He, Ee-Peng Lim
, Hongfei Yan, Xiaoming Li:
Comparing Twitter and Traditional Media Using Topic Models. 338-349 - Huizhong Duan, Chengxiang Zhai:

Exploiting Thread Structures to Improve Smoothing of Language Models for Forum Post Retrieval. 350-361 - Kamran Massoudi, Manos Tsagkias, Maarten de Rijke

, Wouter Weerkamp:
Incorporating Query Expansion and Quality Indicators in Searching Microblog Posts. 362-367 - Oscar Täckström, Ryan T. McDonald:

Discovering Fine-Grained Sentiment with Latent Variable Structured Prediction Models. 368-374
IR Applications
- Duy Dinh, Lynda Tamine:

Combining Global and Local Semantic Contexts for Improving Biomedical Information Retrieval. 375-386 - Jangwon Seo, W. Bruce Croft, Kwang Hyun Kim, Joon Ho Lee:

Smoothing Click Counts for Aggregated Vertical Search. 387-398 - Pavel Serdyukov, Mike Taylor, Vishwa Vinay, Matthew Richardson, Ryen W. White:

Automatic People Tagging for Expertise Profiling in the Enterprise. 399-410
Text Categorisation (III)
- Gabriel Dulac-Arnold, Ludovic Denoyer, Patrick Gallinari:

Text Classification: A Sequential Reading Approach. 411-423 - Cristina Kadar, José Iria:

Domain Adaptation for Text Categorization by Feature Labeling. 424-435
IR for Social Networks (III)
- Mostafa Keikha, Shima Gerani, Fabio Crestani:

TEMPER: A Temporal Relevance Feedback Method. 436-447 - Owen Phelan, Kevin McCarthy, Mike Bennett, Barry Smyth:

Terms of a Feather: Content-Based News Recommendation and Discovery Using Twitter. 448-459 - Kelly Y. Itakura, Charles L. A. Clarke, Shlomo Geva, Andrew Trotman

, Wei Chi Huang:
Topical and Structural Linkage in Wikipedia. 460-465
Web IR (II)
- Jin Young Kim, Vitor R. Carvalho:

An Analysis of Time-Instability in Web Search Results. 466-478 - Wolfgang Gatterbauer

:
Rules of Thumb for Information Acquisition from Large and Redundant Data. 479-490 - Suzan Verberne, Lou Boves, Wessel Kraaij:

Bringing Why-QA to Web Search. 491-496 - Nick Craswell, Dennis Fetterly, Marc Najork

:
The Power of Peers. 497-502 - Benno Stein, Matthias Hagen:

Introducing the User-over-Ranking Hypothesis. 503-509 - Ismail Sengör Altingövde

, Rifat Ozcan, Berkant Barla Cambazoglu, Özgür Ulusoy
:
Second Chance: A Hybrid Approach for Dynamic Result Caching in Search Engines. 510-516
IR Theory (II)
- Craig Macdonald, Iadh Ounis:

Learning Models for Ranking Aggregates. 517-529 - Simon Jonassen, Svein Erik Bratsberg:

Efficient Compressed Inverted Index Skipping for Disjunctive Text-Queries. 530-542 - Sree Lekha Thota, Ben Carterette:

Within-Document Term-Based Index Pruning with Statistical Hypothesis Testing. 543-554 - Stéphane Campinas, Renaud Delbru, Giovanni Tummarello:

SkipBlock: Self-indexing for Block-Based Inverted List. 555-561 - Peng Cai, Wei Gao, Kam-Fai Wong

, Aoying Zhou:
Weight-Based Boosting Model for Cross-Domain Relevance Ranking Adaptation. 562-567
Interactive IR
- David Elsweiler, Mark Baillie, Ian Ruthven:

What Makes Re-finding Information Difficult? A Study of Email Re-finding. 568-579 - Elena Smirnova, Krisztian Balog:

A User-Oriented Model for Expert Finding. 580-592 - Feza Baskaya, Heikki Keskustalo

, Kalervo Järvelin:
Simulating Simple and Fallible Relevance Feedback. 593-604 - M-Dyaa Albakour, Udo Kruschwitz

, Nikolaos Nanas
, Yunhyong Kim
, Dawei Song, Maria Fasli, Anne N. De Roeck:
AutoEval: An Evaluation Methodology for Evaluating Query Suggestions Using Query Logs. 605-610 - Christoph Kofler, Martha A. Larson, Alan Hanjalic:

To Seek, Perchance to Fail: Expressions of User Needs in Internet Video Search. 611-616
Question Answering / NLP
- Elif Aktolga, James Allan, David A. Smith:

Passage Reranking for Question Answering Using Syntactic Structures and Answer Types. 617-628 - Fei Song, William M. Darling, Adnan Duric, Fred W. Kroon:

An Iterative Approach to Text Segmentation. 629-640 - Rama Badrinath, Suresh Venkatasubramaniyan, C. E. Veni Madhavan:

Improving Query Focused Summarization Using Look-Ahead Strategy. 641-652 - Chenliang Li, Aixin Sun

, Anwitaman Datta:
A Generalized Method for Word Sense Disambiguation Based on Wikipedia. 653-664
Posters
- Raffaele Perego

, Fabrizio Silvestri, Nicola Tonellotto:
Representing Document Lengths with Identifiers. 665-669 - Kien-Tsoi T. E. Tjin-Kam-Jet, Dolf Trieschnigg, Djoerd Hiemstra

:
Free-Text Search versus Complex Web Forms. 670-674 - Giorgio Maria Di Nunzio, Johannes Leveling

, Thomas Mandl
:
Multilingual Log Analysis: LogCLEF. 675-678 - Jens Kürsten, Maximilian Eibl:

A Large-Scale System Evaluation on Component-Level. 679-682 - Walid Magdy

, Gareth J. F. Jones:
Should MT Systems Be Used as Black Boxes in CLIR? 683-686 - Lei Wang, Dawei Song, Eyad Elyan

:
Video Retrieval Based on Words-of-Interest Selection. 687-690 - Dolf Trieschnigg, Claudia Hauff:

Classic Children's Literature - Difficult to Read? 691-694 - David Leonard, David Lillis

, Lusheng Zhang, Fergus Toolan, Rem W. Collier
, John Dunnion:
Applying Machine Learning Diversity Metrics to Data Fusion in Information Retrieval. 695-698 - Yue Shi, Martha A. Larson, Alan Hanjalic:

Reranking Collaborative Filtering with Multiple Self-contained Modalities. 699-703 - Yue Shi, Martha A. Larson, Alan Hanjalic

:
How Far Are We in Trust-Aware Recommendation? 704-707 - Bahjat Safadi, Georges Quénot:

Re-ranking for Multimedia Indexing and Retrieval. 708-711 - Benjamin Herbert, György Szarvas, Iryna Gurevych:

Combining Query Translation Techniques to Improve Cross-Language Information Retrieval. 712-715 - Guido Zuccon

, Leif Azzopardi, Keith van Rijsbergen:
Back to the Roots: Mean-Variance Analysis of Relevance Estimations. 716-720 - Xiaozhao Zhao, Peng Zhang, Dawei Song, Yuexian Hou:

A Novel Re-ranking Approach Inspired by Quantum Measurement. 721-724 - Walid Magdy

, Patrice Lopez, Gareth J. F. Jones:
Simple vs. Sophisticated Approaches for Patent Prior-Art Search. 725-728 - David Zellhöfer

, Ingo Frommholz, Ingo Schmitt, Mounia Lalmas, Keith van Rijsbergen:
Towards Quantum-Based DB+IR Processing Based on the Principle of Polyrepresentation. 729-732 - Yashar Moshfeghi

, Joemon M. Jose:
Role of Emotional Features in Collaborative Recommendation. 738-742 - David Buffoni, Sabrina Tollari, Patrick Gallinari:

The Importance of the Depth for Text-Image Selection Strategy in Learning-To-Rank. 743-746 - Shima Gerani, Mostafa Keikha, Mark James Carman

, Fabio Crestani:
Personal Blog Retrieval Using Opinion Features. 747-750 - Ingo Frommholz

, Benjamin Piwowarski, Mounia Lalmas, Keith van Rijsbergen:
Processing Queries in Session in a Quantum-Inspired IR Framework. 751-754 - Emanuele Di Buccio, Massimo Melucci, Dawei Song:

Towards Predicting Relevance Using a Quantum-Like Framework. 755-758 - Avi Arampatzis

, Konstantinos Zagoris, Savvas A. Chatzichristofis:
Fusion vs. Two-Stage for Multimodal Retrieval. 759-762 - Robert Neumayer, Rudolf Mayer

, Kjetil Nørvåg
:
Combination of Feature Selection Methods for Text Categorisation. 763-766
Demonstrations
- Hector Llorens, Estela Saquete, Borja Navarro

, Robert J. Gaizauskas
:
Time-Surfer: Time-Based Graphical Access to Document Content. 767-771 - Gianluca Demartini

:
ARES: A Retrieval Engine Based on Sentiments - Sentiment-Based Search Result Annotation and Diversification. 772-775 - Carsten Eickhoff, Tamara Polajnar, Karl Gyllstrom, Sergio Duarte Torres, Richard Glassey:

Web Search Query Assistance Functionality for Young Audiences. 776-779 - Matteo Magnani, Danilo Montesi, Gabriele Nunziante, Luca Rossi

:
Conversation Retrieval from Twitter. 780-783 - John Hannon, Kevin McCarthy, Barry Smyth:

Finding Useful Users on Twitter: Twittomender the Followee Recommender. 784-787 - Frans van der Sluis, Sergio Duarte Torres, Djoerd Hiemstra

, Betsy van Dijk, Frea Kruisinga:
Visual Exploration of Health Information for Children. 788-792

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