Advances in Information Retrieval: 38th European Conference on IR Research, ECIR 2016, Padua, Italy, March 20-23, 2016. Proceedings (Lecture Notes in Computer Science Book 9626)

This book constitutes the refereed proceedings of the 38th European Conference on IR Research, ECIR 2016, held in Padua, Italy, in March 2016. The 42 full papers and 28 poster papers presented together with 3 keynote talks and 6 demonstration papers, were carefully reviewed and selected from 284 submissions. The volume contains the outcome of 4 workshops as well as 4 tutorial papers in addition. Being the premier European forum for the presentation of new research results in the field of Information Retrieval, ECIR features a wide range of topics such as: social context and news, machine learning, question answering, ranking, evaluation methodology, probalistic modeling, evaluation issues, multimedia and collaborative filtering, and many more. Front Matter....Pages I-XXXIX Front Matter....Pages 1-1 SoRTESum: A Social Context Framework for Single-Document Summarization....Pages 3-14 A Graph-Based Approach to Topic Clustering for Online Comments to News....Pages 15-29 Leveraging Semantic Annotations to Link Wikipedia and News Archives....Pages 30-42 Front Matter....Pages 43-43 Deep Learning over Multi-field Categorical Data....Pages 45-57 Supervised Local Contexts Aggregation for Effective Session Search....Pages 58-71 An Empirical Study of Skip-Gram Features and Regularization for Learning on Sentiment Analysis....Pages 72-87 Multi-task Representation Learning for Demographic Prediction....Pages 88-99 Front Matter....Pages 100-112 Beyond Factoid QA: Effective Methods for Non-factoid Answer Sentence Retrieval....Pages 113-113 Supporting Human Answers for Advice-Seeking Questions in CQA Sites....Pages 115-128 Front Matter....Pages 129-141 Does Selective Search Benefit from WAND Optimization?....Pages 143-143 Efficient AUC Optimization for Information Ranking Applications....Pages 145-158 Modeling User Interests for Zero-Query Ranking....Pages 159-170 Front Matter....Pages 171-184 Adaptive Effort for Search Evaluation Metrics....Pages 185-185 Evaluating Memory Efficiency and Robustness of Word Embeddings....Pages 187-199 Characterizing Relevance on Mobile and Desktop....Pages 200-211 Front Matter....Pages 212-223 Probabilistic Local Expert Retrieval....Pages 225-225 Probabilistic Topic Modelling with Semantic Graph....Pages 227-239 Estimating Probability Density of Content Types for Promoting Medical Records Search....Pages 240-251 Front Matter....Pages 252-263 The Curious Incidence of Bias Corrections in the Pool....Pages 265-265 Front Matter....Pages 267-279 Understandability Biased Evaluation for Information Retrieval....Pages 265-265 The Relationship Between User Perception and User Behaviour in Interactive Information Retrieval Evaluation....Pages 280-292 Front Matter....Pages 293-305 Using Query Performance Predictors to Improve Spoken Queries....Pages 307-307 Fusing Web and Audio Predictors to Localize the Origin of Music Pieces for Geospatial Retrieval....Pages 309-321 Key Estimation in Electronic Dance Music....Pages 322-334 Front Matter....Pages 335-347 Evaluating Text Summarization Systems with a Fair Baseline from Multiple Reference Summaries....Pages 349-349 Multi-document Summarization Based on Atomic Semantic Events and Their Temporal Relationships....Pages 351-365 Tweet Stream Summarization for Online Reputation Management....Pages 366-377 Front Matter....Pages 378-389 Who Wrote the Web? Revisiting Influential Author Identification Research Applicable to Information Retrieval....Pages 391-391 Toward Reproducible Baselines: The Open-Source IR Reproducibility Challenge....Pages 393-407 Experiments in Newswire Summarisation....Pages 408-420 On the Reproducibility of the TAGME Entity Linking System....Pages 421-435 Front Matter....Pages 436-449 Correlation Analysis of Reader’s Demographics and Tweet Credibility Perception....Pages 451-451 Topic-Specific Stylistic Variations for Opinion Retrieval on Twitter....Pages 453-465 Inferring Implicit Topical Interests on Twitter....Pages 466-478 Topics in Tweets: A User Study of Topic Coherence Metrics for Twitter Data....Pages 479-491 Front Matter....Pages 492-504 Supporting Scholarly Search with Keyqueries....Pages 505-505 Pseudo-Query Reformulation....Pages 507-520 VODUM: A Topic Model Unifying Viewpoint, Topic and Opinion Discovery....Pages 521-532 Front Matter....Pages 533-545 Harvesting Training Images for Fine-Grained Object Categories Using Visual Descriptions....Pages 547-547 Front Matter....Pages 549-560 Do Your Social Profiles Reveal What Languages You Speak? Language Inference from Social Media Profiles....Pages 547-547 Retrieving Hierarchical Syllabus Items for Exam Question Analysis....Pages 561-574 Front Matter....Pages 575-586 Implicit Look-Alike Modelling in Display Ads....Pages 587-587 Efficient Pseudo-Relevance Feedback Methods for Collaborative Filtering Recommendation....Pages 589-601 Language Models for Collaborative Filtering Neighbourhoods....Pages 602-613 Adaptive Collaborative Filtering with Extended Kalman Filters and Multi-armed Bandits....Pages 614-625 Front Matter....Pages 626-638 A Business Zone Recommender System Based on Facebook and Urban Planning Data....Pages 639-639 On the Evaluation of Tweet Timeline Generation Task....Pages 641-647 Finding Relevant Relations in Relevant Documents....Pages 648-653 Probabilistic Multileave Gradient Descent....Pages 654-660 Real-World Expertise Retrieval: The Information Seeking Behaviour of Recruitment Professionals....Pages 661-668 Compressing and Decoding Term Statistics Time Series....Pages 669-674 Feedback or Research: Separating Pre-purchase from Post-purchase Consumer Reviews....Pages 675-681 Inferring the Socioeconomic Status of Social Media Users Based on Behaviour and Language....Pages 682-688 Two Scrolls or One Click: A Cost Model for Browsing Search Results....Pages 689-695 Determining the Optimal Session Interval for Transaction Log Analysis of an Online Library Catalogue....Pages 696-702 A Comparison of Deep Learning Based Query Expansion with Pseudo-Relevance Feedback and Mutual Information....Pages 703-708 A Full-Text Learning to Rank Dataset for Medical Information Retrieval....Pages 709-715 Multi-label, Multi-class Classification Using Polylingual Embeddings....Pages 716-722 Learning Word Embeddings from Wikipedia for Content-Based Recommender Systems....Pages 723-728 Front Matter....Pages 729-734 Tracking Interactions Across Business News, Social Media, and Stock Fluctuations....Pages 639-639 Subtopic Mining Based on Three-Level Hierarchical Search Intentions....Pages 735-740 Cold Start Cumulative Citation Recommendation for Knowledge Base Acceleration....Pages 741-747 Cross Domain User Engagement Evaluation....Pages 748-753 An Empirical Comparison of Term Association and Knowledge Graphs for Query Expansion....Pages 754-760 Deep Learning to Predict Patient Future Diseases from the Electronic Health Records....Pages 761-767 Improving Document Ranking for Long Queries with Nested Query Segmentation....Pages 768-774 Sketching Techniques for Very Large Matrix Factorization....Pages 775-781 Diversifying Search Results Using Time....Pages 782-788 On Cross-Script Information Retrieval....Pages 789-795 LExL: A Learning Approach for Local Expert Discovery on Twitter....Pages 796-802 Clickbait Detection....Pages 803-809 Informativeness for Adhoc IR Evaluation: A Measure that Prevents Assessing Individual Documents....Pages 810-817 What Multimedia Sentiment Analysis Says About City Liveability....Pages 818-823 Front Matter....Pages 824-829 Scenemash: Multimodal Route Summarization for City Exploration....Pages 831-831 Exactus Like: Plagiarism Detection in Scientific Texts....Pages 833-836 Jitter Search: A News-Based Real-Time Twitter Search Interface....Pages 837-840 TimeMachine: Entity-Centric Search and Visualization of News Archives....Pages 841-844 OPMES: A Similarity Search Engine for Mathematical Content....Pages 845-848 SHAMUS: UFAL Search and Hyperlinking Multimedia System....Pages 849-852 Front Matter....Pages 853-856 Industry Day Overview....Pages 857-857 Front Matter....Pages 859-862 Bibliometric-Enhanced Information Retrieval: 3rd International BIR Workshop....Pages 863-863 MultiLingMine 2016: Modeling, Learning and Mining for Cross/Multilinguality....Pages 865-868 Proactive Information Retrieval: Anticipating Users’ Information Need....Pages 869-873 First International Workshop on Recent Trends in News Information Retrieval (NewsIR’16)....Pages 874-877 Front Matter....Pages 878-882 Collaborative Information Retrieval: Concepts, Models and Evaluation....Pages 883-883 Group Recommender Systems: State of the Art, Emerging Aspects and Techniques, and Research Challenges....Pages 885-888 Living Labs for Online Evaluation: From Theory to Practice....Pages 889-892 Real-Time Bidding Based Display Advertising: Mechanisms and Algorithms....Pages 893-896 Back Matter....Pages 897-901 ....Pages 903-906 The use of general descriptive names, registered names, trademarks, service marks, etc. in this publication does not imply, even in the absence of a specific statement, that such names are exempt from the relevant protective laws and regulations and therefore free for general use. The publisher, the authors and the editors are safe to assume that the advice and information in this book are believed to be true and accurate at the date of publication. Neither the publisher nor the authors or the editors give a warranty, express or implied, with respect to the material contained herein or for any errors or omissions that may have been made.