Advances in Information Retrieval: 34th European Conference on IR Research, ECIR 2012, Barcelona, Spain, April 1-5, 2012. Proceedings

Front Matter....Pages -
Explaining Query Modifications....Pages 1-12
Modeling Transactional Queries via Templates....Pages 13-24
Exploring Query Patterns in Email Search....Pages 25-36
Interactive Search Support for Difficult Web Queries....Pages 37-49
Predicting the Future Impact of News Events....Pages 50-62
Detection of News Feeds Items Appropriate for Children....Pages 63-72
Comparing Tweets and Tags for URLs....Pages 73-84
Geo-Location Estimation of Flickr Images: Social Web Based Enrichment....Pages 85-96
A Field Relevance Model for Structured Document Retrieval....Pages 97-108
Relation Based Term Weighting Regularization....Pages 109-120
A New Approach to Answerer Recommendation in Community Question Answering Services....Pages 121-132
On the Modeling of Entities for Ad-Hoc Entity Search in the Web of Data....Pages 133-145
Result Disambiguation in Web People Search....Pages 146-157
On Smoothing Average Precision....Pages 158-169
New Metrics for Meaningful Evaluation of Informally Structured Speech Retrieval....Pages 170-181
On Aggregating Labels from Multiple Crowd Workers to Infer Relevance of Documents....Pages 182-194
How Random Walks Can Help Tourism....Pages 195-206
Retrieving Candidate Plagiarised Documents Using Query Expansion....Pages 207-218
Reliability Prediction of Webpages in the Medical Domain....Pages 219-231
Automatic Foldering of Email Messages:A Combination Approach....Pages 232-243
A Log-Logistic Model-Based Interpretation of TF Normalization of BM25....Pages 244-255
Score Transformation in Linear Combination for Multi-criteria Relevance Ranking....Pages 256-267
Axiomatic Analysis of Translation Language Model for Information Retrieval....Pages 268-280
An Information-Based Cross-Language Information Retrieval Model....Pages 281-292
Extended Expectation Maximization for Inferring Score Distributions....Pages 293-304
Top-k Retrieval Using Facility Location Analysis....Pages 305-316
An Interactive Paper and Digital Pen Interface for Query-by-Sketch Image Retrieval....Pages 317-328
Image Abstraction in Crossmedia Retrieval for Text Illustration....Pages 329-339
A Latent Variable Ranking Model for Content-Based Retrieval....Pages 340-351
Language Modelling of Constraints for Text Clustering....Pages 352-363
A Framework for Unsupervised Spam Detection in Social Networking Sites....Pages 364-375
Classification of Short Texts by Deploying Topical Annotations....Pages 376-387
Cluster Labeling for Multilingual Scatter/Gather Using Comparable Corpora....Pages 388-400
Adaptive Time-to-Live Strategies for Query Result Caching in Web Search Engines....Pages 401-412
Intra-query Concurrent Pipelined Processing for Distributed Full-Text Retrieval....Pages 413-425
Usefulness of Sentiment Analysis....Pages 426-435
Modeling Static Caching in Web Search Engines....Pages 436-446
Integrating Interactive Visualizations in the Search Process of Digital Libraries and IR Systems....Pages 447-450
On Theoretically Valid Score Distributions in Information Retrieval....Pages 451-454
Adaptive Temporal Query Modeling....Pages 455-458
The Design of a Visual History Tool to Help Users Refind Information within a Website....Pages 459-462
Analyzing the Polarity of Opinionated Queries....Pages 463-467
Semi-automatic Document Classification: Exploiting Document Difficulty....Pages 468-471
Investigating Summarization Techniques for Geo-Tagged Image Indexing....Pages 472-475
Handling OOV Words in Indian-language – English CLIR....Pages 476-479
Using a Medical Thesaurus to Predict Query Difficulty....Pages 480-484
Studying a Personality Coreference Network in a News Stories Photo Collection....Pages 485-488
Phrase Pair Classification for Identifying Subtopics....Pages 489-493
Full and Mini-batch Clustering of News Articles with Star-EM....Pages 494-498
Assessing and Predicting Vertical Intent for Web Queries....Pages 499-502
Predicting IMDB Movie Ratings Using Social Media....Pages 503-507
Squeezing the Ensemble Pruning: Faster and More Accurate Categorization for News Portals....Pages 508-511
A General Framework for People Retrieval in Social Media with Multiple Roles....Pages 512-516
Analysis of Query Reformulations in a Search Engine of a Local Web Site....Pages 517-521
Temporal Pseudo-relevance Feedback in Microblog Retrieval....Pages 522-526
Learning Adaptive Domain Models from Click Data to Bootstrap Interactive Web Search....Pages 527-530
A Little Interaction Can Go a Long Way: Enriching the Query Formulation Process....Pages 531-534
Learning to Rank from Relevance Feedback for e-Discovery....Pages 535-539
When Simple is (more than) Good Enough: Effective Semantic Search with (almost) no Semantics....Pages 540-543
Evaluating Personal Information Retrieval....Pages 544-547
Applying Power Graph Analysis to Weighted Graphs....Pages 548-551
An Investigation of Term Weighting Approaches for Microblog Retrieval....Pages 552-555
On the Size of Full Element-Indexes for XML Keyword Search....Pages 556-560
Combining Probabilistic Language Models for Aspect-Based Sentiment Retrieval....Pages 561-564
In Praise of Laziness: A Lazy Strategy for Web Information Extraction....Pages 565-568
LiveTweet: Monitoring and Predicting Interesting Microblog Posts....Pages 569-570
A User Interface for Query-by-Sketch Based Image Retrieval with Color Sketches....Pages 571-572
 Crisees : Real-Time Monitoring of Social Media Streams to Support Crisis Management....Pages 573-575
A Mailbox Search Engine Using Query Multi-modal Expansion and Community-Based Smoothing....Pages 576-577
EmSe: Supporting Children’s Information Needs within a Hospital Environment....Pages 578-580
Retro: Time-Based Exploration of Product Reviews....Pages 581-582
Querium: A Session-Based Collaborative Search System....Pages 583-584
Back Matter....Pages -