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

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Explaining Query Modifications - An Alternative Interpretation of Term Addition and Removal
Vera Hollink | Jiyin He | Arjen P. de Vries

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Modeling Transactional Queries via Templates
Edward Bortnikov | Pinar Donmez | Amit Kagian | Ronny Lempel

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Exploring Query Patterns in Email Search
Morgan Harvey | David Elsweiler

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Interactive Search Support for Difficult Web Queries
Abdigani Diriye | Giridhar Kumaran | Jeff Huang

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Predicting the Future Impact of News Events
Julien Gaugaz | Patrick Siehndel | Gianluca Demartini | Tereza Iofciu | Mihai Georgescu | Nicola Henze

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Detection of News Feeds Items Appropriate for Children
Tamara Polajnar | Richard Glassey | Leif Azzopardi

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Comparing Tweets and Tags for URLs
Morgan Harvey | Mark James Carman | David Elsweiler

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Geo-Location Estimation of Flickr Images: Social Web Based Enrichment
Claudia Hauff | Geert-Jan Houben

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A Field Relevance Model for Structured Document Retrieval
Jin Young Kim | W. Bruce Croft

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Relation Based Term Weighting Regularization
Hao Wu | Hui Fang

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A New Approach to Answerer Recommendation in Community Question Answering Services
Zhenlei Yan | Jie Zhou

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On the Modeling of Entities for Ad-Hoc Entity Search in the Web of Data
Robert Neumayer | Krisztian Balog | Kjetil Nørvåg

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Result Disambiguation in Web People Search
Richard Berendsen | Bogomil Kovachev | Evangelia-Paraskevi Nastou | Maarten de Rijke | Wouter Weerkamp

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On Smoothing Average Precision
Stephen Robertson

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New Metrics for Meaningful Evaluation of Informally Structured Speech Retrieval
Maria Eskevich | Walid Magdy | Gareth J. F. Jones

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On Aggregating Labels from Multiple Crowd Workers to Infer Relevance of Documents
Mehdi Hosseini | Ingemar J. Cox | Natasa Milic-Frayling | Gabriella Kazai | Vishwa Vinay

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How Random Walks Can Help Tourism
Claudio Lucchese | Raffaele Perego | Fabrizio Silvestri | Hossein Vahabi | Rossano Venturini

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Retrieving Candidate Plagiarised Documents Using Query Expansion
Rao Muhammad Adeel Nawab | Mark Stevenson | Paul D. Clough

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Reliability Prediction of Webpages in the Medical Domain
Parikshit Sondhi | V. G. Vinod Vydiswaran | ChengXiang Zhai

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Automatic Foldering of Email Messages: A Combination Approach
Tony Tam | Artur J. Ferreira | André Lourenço

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A Log-Logistic Model-Based Interpretation of TF Normalization of BM25
Yuanhua Lv | ChengXiang Zhai

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Score Transformation in Linear Combination for Multi-criteria Relevance Ranking
Shima Gerani | ChengXiang Zhai | Fabio Crestani

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Axiomatic Analysis of Translation Language Model for Information Retrieval
Maryam Karimzadehgan | ChengXiang Zhai

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An Information-Based Cross-Language Information Retrieval Model
Bo Li | Éric Gaussier

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Extended Expectation Maximization for Inferring Score Distributions
Keshi Dai | Virgiliu Pavlu | Evangelos Kanoulas | Javed A. Aslam

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Top-k Retrieval Using Facility Location Analysis
Guido Zuccon | Leif Azzopardi | Dell Zhang | Jun Wang

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An Interactive Paper and Digital Pen Interface for Query-by-Sketch Image Retrieval
Roman Kreuzer | Michael Springmann | Ihab Al Kabary | Heiko Schuldt

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Image Abstraction in Crossmedia Retrieval for Text Illustration
Filipe Coelho | Cristina Ribeiro

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A Latent Variable Ranking Model for Content-Based Retrieval
Ariadna Quattoni | Xavier Carreras | Antonio Torralba

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Language Modelling of Constraints for Text Clustering
Javier Parapar | Alvaro Barreiro

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A Framework for Unsupervised Spam Detection in Social Networking Sites
Maarten Bosma | Edgar Meij | Wouter Weerkamp

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Classification of Short Texts by Deploying Topical Annotations
Daniele Vitale | Paolo Ferragina | Ugo Scaiella

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Cluster Labeling for Multilingual Scatter/Gather Using Comparable Corpora
Goutham Tholpadi | Mrinal Kanti Das | Chiranjib Bhattacharyya | Shirish K. Shevade

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Adaptive Time-to-Live Strategies for Query Result Caching in Web Search Engines
Sadiye Alici | Ismail Sengör Altingövde | Rifat Ozcan | Berkant Barla Cambazoglu | Özgür Ulusoy

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Intra-query Concurrent Pipelined Processing for Distributed Full-Text Retrieval
Simon Jonassen | Svein Erik Bratsberg

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Usefulness of Sentiment Analysis
Jussi Karlgren | Magnus Sahlgren | Fredrik Olsson | Fredrik Espinoza | Ola Hamfors

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Modeling Static Caching in Web Search Engines
Ricardo Baeza-Yates | Simon Jonassen

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Integrating Interactive Visualizations in the Search Process of Digital Libraries and IR Systems
Daniel Hienert | Frank Sawitzki | Philipp Schaer | Philipp Mayr

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On Theoretically Valid Score Distributions in Information Retrieval
Ronan Cummins | Colm O'Riordan

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Adaptive Temporal Query Modeling
Maria-Hendrike Peetz | Edgar Meij | Maarten de Rijke | Wouter Weerkamp

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The Design of a Visual History Tool to Help Users Refind Information within a Website
Trien V. Do | Roy A. Ruddle

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Analyzing the Polarity of Opinionated Queries
Sergiu Chelaru | Ismail Sengör Altingövde | Stefan Siersdorfer

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Semi-automatic Document Classification: Exploiting Document Difficulty
Miguel Martinez-Alvarez | Sirvan Yahyaei | Thomas Roelleke

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Investigating Summarization Techniques for Geo-Tagged Image Indexing
Ahmet Aker | Xin Fan | Mark Sanderson | Robert J. Gaizauskas

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Handling OOV Words in Indian-language - English CLIR
Parin Chheda | Manaal Faruqui | Pabitra Mitra

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Using a Medical Thesaurus to Predict Query Difficulty
Florian Boudin | Jian-Yun Nie | Martin Dawes

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Studying a Personality Coreference Network in a News Stories Photo Collection
José Luís Devezas | Filipe Coelho | Sérgio Nunes | Cristina Ribeiro

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Phrase Pair Classification for Identifying Subtopics
Sujatha Das | Prasenjit Mitra | C. Lee Giles

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Full and Mini-batch Clustering of News Articles with Star-EM
Matthias Gallé | Jean-Michel Renders

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Assessing and Predicting Vertical Intent for Web Queries
Ke Zhou | Ronan Cummins | Martin Halvey | Mounia Lalmas | Joemon M. Jose

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Predicting IMDB Movie Ratings Using Social Media
Andrei Oghina | Mathias Breuss | Manos Tsagkias | Maarten de Rijke

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Squeezing the Ensemble Pruning: Faster and More Accurate Categorization for News Portals
Cagri Toraman | Fazli Can

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A General Framework for People Retrieval in Social Media with Multiple Roles
Amin Mantrach | Jean-Michel Renders

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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 N. De Roeck

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Temporal Pseudo-relevance Feedback in Microblog Retrieval
Stewart Whiting | Iraklis A. Klampanos | Joemon M. Jose

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Learning Adaptive Domain Models from Click Data to Bootstrap Interactive Web Search
Deirdre Lungley | Udo Kruschwitz | Dawei Song

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A Little Interaction Can Go a Long Way: Enriching the Query Formulation Process
Abdigani Diriye | Anastasios Tombros | Ann Blandford

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Learning to Rank from Relevance Feedback for e-Discovery
Peter Lubell-Doughtie | Katja Hofmann

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When Simple is (more than) Good Enough: Effective Semantic Search with (almost) no Semantics
Robert Neumayer | Krisztian Balog | Kjetil Nørvåg

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Evaluating Personal Information Retrieval
Liadh Kelly | Paul Bunbury | Gareth J. F. Jones

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Applying Power Graph Analysis to Weighted Graphs
Niels Bloom

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An Investigation of Term Weighting Approaches for Microblog Retrieval
Paul Ferguson | Neil O'Hare | James Lanagan | Owen Phelan | Kevin McCarthy

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On the Size of Full Element-Indexes for XML Keyword Search
Duygu Atilgan | Ismail Sengör Altingövde | Özgür Ulusoy

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Combining Probabilistic Language Models for Aspect-Based Sentiment Retrieval
Lisette García-Moya | Henry Anaya-Sánchez | Rafael Berlanga Llavori

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In Praise of Laziness: A Lazy Strategy for Web Information Extraction
Rifat Ozcan | Ismail Sengör Altingövde | Özgür Ulusoy

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LiveTweet: Monitoring and Predicting Interesting Microblog Posts
Arifah Che Alhadi | Thomas Gottron | Jérôme Kunegis | Nasir Naveed

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A User Interface for Query-by-Sketch Based Image Retrieval with Color Sketches
Ivan Giangreco | Michael Springmann | Ihab Al Kabary | Heiko Schuldt

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Crisees: Real-Time Monitoring of Social Media Streams to Support Crisis Management
David Maxwell | Stefan Raue | Leif Azzopardi | Christopher W. Johnson | Sarah Oates

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A Mailbox Search Engine Using Query Multi-modal Expansion and Community-Based Smoothing
Amin Mantrach | Jean-Michel Renders

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EmSe: Supporting Children's Information Needs within a Hospital Environment
Leif Azzopardi | Douglas Dowie | Sergio Duarte Torres | Carsten Eickhoff | Richard Glassey | Karl Gyllstrom | Djoerd Hiemstra | Franciska de Jong | Frea Kruisinga | Kelly Ann Marshall | Sien Moens | Tamara Polajnar | Frans van der Sluis | Arjen P. de Vries

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Retro: Time-Based Exploration of Product Reviews
Jannik Strötgen | Omar Alonso | Michael Gertz

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Querium: A Session-Based Collaborative Search System
Abdigani Diriye | Gene Golovchinsky