Table of Contents
Query Representation
Explaining Query Modifications: An Alternative Interpretation of Term Addition and Removal Vera Hollink Jiying He Arjen de Vries 1
Modeling Transactional Queries via Templates Edward Bortnikov Pinar Donmez Amit Kagian Ronny Lempel 13
Exploring Query Patterns in Email Search Morgan Harvey David Elsweiler 25
Interactive Search Support for Difficult Web Queries Abdigani Diriye Giridhar Kumaran Jeff Huang 37
Blog and Online-Community Search
Predicting the Future Impact of News Events Julien Gaugaz Patrick Siehndel Gianluca Demartini Tereza Iofciu Mihai Georgescu Nicola Henze 50
Detection of News Feeds Items Appropriate for Children Tamara Polajnar Richard Glassey Leif Azzopardi 63
Comparing Tweets and Tags for URLs Morgan Harvey Mark Carman David Elsweiler 73
Geo-Location Estimation of Flicker Images: Social Web Based Enrichment Claudia Hauff Geert-Jan Houben 85
Semi-structured Retrieval
A Field Relevance Model for Structured Document Retrieval Jin Young Kim W. Bruce Croft 97
Relation Based Term Weighting Regularization Hao Wu Hui Fang 109
A New Approach to Answer Recommendation in Community Question Answering Services Zhenlei Yan Jie Zhou 121
On the Modeling of Entities for Ad-Hoc Entity Search in the Web of Data Robert Neumayer Krisztian Balog Kjetil Norvåg 133
Result Disambiguation in Web People Search Richard Berendsen Bogomil Kovachev Evangelia-Paraskevi Nastou Maarten de Rijke Wouter Weerkamp 146
Evaluation
On Smoothing Average Precision Stephen Robertson 158
New Metrics for Meaningful Evaluation of Informally Structured Speech Retrieval Maria Eskevich Walid Magdy Gareth J.F. Jones 170
On Aggregating Labels from Multiple Crowd Workers to Infer Relevance of Documents Mehdi Hosseini Ingemar J. Cox Natasa Milic-Frayling Gabriella Kazai Vishwa Vinay 182
Applications
How Random Walks Can Help Tourism Claudio Lucchese Raffaele Perego Fabrizio Silvestri Hossein Vahabi Rossano Venturini 195
Retrieving Candidate Plagiarised Documents Using Query Expansion Rao Muhammad Adeel Nawab Mark Stevenson Paul Clough 207
Reliability Prediction of Webpages in the Medical Domain Parikshit Sondhi V.G. Vinod Vydiswaran ChengXiang Zhai 219
Automatic Foldering of Email Messages: A Combinations Approach Tony Tam Artur Ferreira André Lourenço 232
Retrieval Models
A Log-Logistic Model-Based Interpretation of TF Normalization of BM25 Yuanhua Lu ChengXiang Zhai 244
Score Transformation in Linear Combination for Multi-criteria Relevance Ranking Shima Gerani ChengXiang Zhai Fabio Crestani 256
Axiomatic Analysis of Translation Language Model for Information Retrieval Maryam Karimzadehgan ChengXiang Zhai 268
An Information-Based Cross-Language Information Retrieval Model Bo Li Eric Gaussier 281
Extended Expectation Maximization for Inferring Score Distributions Keshi Dai Virgil Pavlu Evangelos Kanoulas Javed A. Aslam 293
Top-K Retrieval Using Facility Location Analysis Guido Zuccon Leif Azzopardi Dell Zhang Jun Wang 305
Image and Video Retrieval
An Interactive Paper and Digital Pen Interface for Query-by-Sketch Image Retrieval Roman Kreuzer Michael Springmann Ihab Al Kabary Heiko Schuldt 317
Image Abstraction in Crossmedia Retrieval for Text Illustration Filipe Coelho Cristina Ribeiro 329
A Latent Variable Ranking Model for Content-Based Retrieval Ariadna Quattonia Xavier Carreras Antonio Torralba 340
Text and Content Classification, Categorisation, Clustering
Language Modelling of Constraints for Text Clustering Javier Parapar Álvaro Barreiro 352
A Framework for Unsupervised Spam Detection in Social Networking Sites Maarten Bosma Edgar Meij Wouter Weerkamp 364
Classification of Short Texts by Deploying Topical Annotations Daniele Vitale Paolo Ferragina Ugo Scaiella 376
Cluster Labeling for Multilingual Scatter/Gather Using Comparable Corpora Goutham Tholpadi Mrinal Kanti Das Chiranjib Bhattacharyya Shirish Shevade 388
Systems Efficiency
Adaptive Time-to-Live Strategies for Query Result Caching in Web Search Engines Sadiye Alici Ismail Sengor Altingovde Rifat Ozcan B. Barla Cambazoglu Özgür Ulusoy 401
Intra-query Concurrent Pipelined Processing for Distributed Full-Text Retrieval Simon Jonassen Svein Erik Bratsberg 413
Industry Track
Usefulness of Sentiment Analysis Jussi Karlgren Magnus Sahlgren Fredrik Olsson Fredrik Espinoza Ola Hamfors 426
Modeling Static Caching in Web Search Engines Ricardo Baeza-Yates Simon Jonassen 436
Posters
Integrating Interactive Visualizations in the Search Process of Digital Libraries and IR Systems Daniel Hienert Frank Sawitzki Philipp Schaer Philipp Mayr 447
On Theoretically Valid Score Distributions in Information Retrieval Ronan Cummins Colm O'Riordan 451
Adaptive Temporal Query Modeling Maria-Hendrike Peetz Edgar Meij Maarten de Rijke Wouter Weerkamp 455
The Design of a Visual History Tool to Help Users Refind Information within a Website Trien V. Do Roy A. Ruddle 459
Analyzing the Polarity of Opinionated Queries Sergiu Chelaru Ismail Sengor Altingovde Stefan Siersdorfer 463
Semi-automatic Document Classification: Exploiting Document Difficulty Miguel Martinez-Alvarez Sirvan Yahgaei Thomas Roelleke 468
Investigating Summarization Techniques for Geo-Tagged Image Indexing Ahmet Aker Xin Fan Mark Sanderson Robery Gaizauskas 472
Handling OOV Words in Indian-language - English CLIR Parin Chheda Manaal Faruqui Pabitra Mitra 476
Using a Medical Thesaurus to Predict Query Difficulty Florian Boudin Jian-Yun Nie Martin Dawes 480
Studying a Personality Coreference Network in a News Stories Photo Collection José Devezas Filipe Coelho Sérgio Nunes Cristina Ribeiro 485
Phrase Pair Classification for Identifying Subtopics Sujatha Das Prasenjit Mitra C. Lee Giles 489
Full and Mini-batch Clustering of News Articles with Star-Em Matthias Gallé Jean-Michel Renders 494
Assessing and Predicting Vertical Intent for Web Queries Ke Zhou Ronan Cummins Martin Halvey Mounia Lalmas Joeman M. Jose 499
Predicting IMDB Movie Ratings Using Social Media Andrei Oghina Mathias Breuss Manso Tsagkias Maarten de Rijke 503
Squeezing the Ensemble Pruning: Faster and More Accurate Categorization for News Portals Cagri Toraman Fazli Can 508
A General Framework for People Retrieval in Social Media with Multiple Roles Amin Mantrach Jean-Michel Renders 512
Analysis of Query Reformulations in a Search Engine of a Local Web Site M-Dyaa Albakour Udo Kruschwitz Nikolaos Nanas Ibrahim Adeyanju Dawei Song Maria Fasli Anne De Roeck 517
Temporal Pseudo-relevance Feedback in Microblog Retrieval Steward Whiting Iraklis A. Klampanos Joemon M. Jose 522
Learning Adaptive Domain Models from Click Data to Bootstrap Interactive Web Search Deirdre Lungley Udo Kruschwitz Dawei Song 527
A Little Interaction Can Go a Long Way: Enriching the Query Formulation Process Abdigani Diriye Anastasios Tombros Ann Blandford 531
Learning to Rank from Relevance Feedback for e-Discovery Peter Lubell-Doughtie Katja Hofmann 535
When Simple is (more than) Good Enough: Effective Semantic Search with (almost) no Semantics Robert Neumayer Krisztian Balog Kjetil Norvåg 540
Evaluating Personal Information Retrieval Liadh Kelly Paul Bunbury Gareth J. F. Jones 544
Applying Power Graph Analysis to Weighted Graphs Niels Bloom 548
An Investigation of Term Weighting Approaches for Microblog Retrieval Paul Ferguson Neil O'Hare James Lanagan Owen Phelan Kevin McCarthy 552
On the Size of Full Element-Indexes for XML Keyword Search Retrieval Duygu Atilgan Ismail Sengor Altingovde ÖZgür Ulusoy 556
Combining Probabilistic Language Models for Aspect-Based Sentiment Retrieval Lisette García-Moya Henry Anaya-Sánchez Rafael Berlanga-Llavori 561
In Praise of Laziness: A Lazy Strategy for Web Information Extraction Rifat Ozcan Ismail Sengor Altingovde Özgür Ulusoy 565
Demos
LiveTweet: Monitoring and Predicting Interesting Microblog Posts Arifah Che Alhadi Thomas Gottron Jérome Kunegis Nasir Naveed 569
A User Interface for Query-by-Sketch Based Image Retrieval with Color Sketches Ivan Giangreco Michael Springmann Ihab Al Kabary Heiko Schuldt 571
Crisees: Real-Time Monitoring of Social Media Streams to Support Crisis Management David Maxwell Stefan Raue Leif Azzopardi Chris Johnson Sarah Oates 573
A Mailbox Search Enging Using Query Multi-Model Expansion and Community-Based Smoothing Amin Mantrach Jean-Michel Renders 576
EmSe: Supporting Children's Information Needs within a Hospital Environment Leif Azzopardi Doug Dowie Sergio Duarte Carsten Eickhoff Richard Glassey Karl Gyllstrom Djoerd Hiemstra Franciska de Jong Frea Kruisinga Kelly Marshall Sien Moens|cTamara Polajnar Frans van der Sluis Arjen de Vries 578
Retro: Time-Based Exploration of Product Reviews Jannik Strötgen Omar Alonso Michael Gertz 581
Querium: A Session-Based Collaborative Search System Abdigani Diriye Gene Golovchinsky 583
Author Index 585
