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Proceedings of the 32nd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2009, Boston, MA, USA, July 19-23, 2009

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An interdisciplinary perspective on information retrieval
Susan T. Dumais

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Context-aware query classification
Huanhuan Cao | Derek Hao Hu | Dou Shen | Daxin Jiang | Jian-Tao Sun | Enhong Chen | Qiang Yang

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Refined experts: improving classification in large taxonomies
Paul N. Bennett | Nam Nguyen

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Dynamicity vs. effectiveness: studying online clustering for scatter/gather
Weimao Ke | Cassidy R. Sugimoto | Javed Mostafa

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Web searching for daily living
Takuya Maekawa | Yutaka Yanagisawa | Yasushi Sakurai | Yasue Kishino | Koji Kamei | Takeshi Okadome

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Global ranking by exploiting user clicks
Shihao Ji | Ke Zhou | Ciya Liao | Zhaohui Zheng | Gui-Rong Xue | Olivier Chapelle | Gordon Sun | Hongyuan Zha

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Good abandonment in mobile and PC internet search
Jane Li | Scott B. Huffman | Akihito Tokuda

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Efficient query expansion for advertisement search
Haofen Wang | Yan Liang | Linyun Fu | Gui-Rong Xue | Yong Yu

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Query dependent pseudo-relevance feedback based on wikipedia
Yang Xu | Gareth J. F. Jones | Bin Wang

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Segment-level display time as implicit feedback: a comparison to eye tracking
Georg Buscher | Ludger van Elst | Andreas Dengel

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Addressing morphological variation in alphabetic languages
Paul McNamee | Charles K. Nicholas | James Mayfield

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Web derived pronunciations for spoken term detection
Dogan Can | Erica Cooper | Arnab Ghoshal | Martin Jansche | Sanjeev Khudanpur | Bhuvana Ramabhadran | Michael Riley | Murat Saraclar | Abhinav Sethy | Morgan Ulinski | Christopher M. White

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Combining LVCSR and vocabulary-independent ranked utterance retrieval for robust speech search
J. Scott Olsson | Douglas W. Oard

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Risky business: modeling and exploiting uncertainty in information retrieval
Jianhan Zhu | Jun Wang | Ingemar J. Cox | Michael J. Taylor

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Approximating true relevance distribution from a mixture model based on irrelevance data
Peng Zhang | Yuexian Hou | Dawei Song

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Portfolio theory of information retrieval
Jun Wang | Jianhan Zhu

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A statistical comparison of tag and query logs
Mark James Carman | Mark Baillie | Robert Gwadera | Fabio Crestani

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Simultaneously modeling semantics and structure of threaded discussions: a sparse coding approach and its applications
Chen Lin | Jiang-Ming Yang | Rui Cai | Xin-Jing Wang | Wei Wang | Lei Zhang

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Enhancing cluster labeling using wikipedia
David Carmel | Haggai Roitman | Naama Zwerdling

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Compressing term positions in web indexes
Hao Yan | Shuai Ding | Torsten Suel

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Brute force and indexed approaches to pairwise document similarity comparisons with MapReduce
Jimmy Lin

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Efficiency trade-offs in two-tier web search systems
Ricardo Baeza-Yates | Vanessa Murdock | Claudia Hauff

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A classification-based approach to question answering in discussion boards
Liangjie Hong | Brian D. Davison

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Ranking community answers by modeling question-answer relationships via analogical reasoning
Xin-Jing Wang | Xudong Tu | Dan Feng | Lei Zhang

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A syntactic tree matching approach to finding similar questions in community-based qa services
Kai Wang | Zhaoyan Ming | Tat-Seng Chua

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On social networks and collaborative recommendation
Ioannis Konstas | Vassilios Stathopoulos | Joemon M. Jose

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Learning to recommend with social trust ensemble
Hao Ma | Irwin King | Michael R. Lyu

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Fast nonparametric matrix factorization for large-scale collaborative filtering
Kai Yu | Shenghuo Zhu | John D. Lafferty | Yihong Gong

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Building enriched document representations using aggregated anchor text
Donald Metzler | Jasmine Novak | Hang Cui | Srihari Reddy

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Using anchor texts with their hyperlink structure for web search
Zhicheng Dou | Ruihua Song | Jian-Yun Nie | Ji-Rong Wen

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Link analysis for private weighted graphs
Jun Sakuma | Shigenobu Kobayashi

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Learning to rank for quantity consensus queries
Somnath Banerjee | Soumen Chakrabarti | Ganesh Ramakrishnan

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Learning in a pairwise term-term proximity framework for information retrieval
Ronan Cummins | Colm O'Riordan

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Robust sparse rank learning for non-smooth ranking measures
Zhengya Sun | Tao Qin | Qing Tao | Jue Wang

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Named entity recognition in query
Jiafeng Guo | Gu Xu | Xueqi Cheng | Hang Li

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A 2-poisson model for probabilistic coreference of named entities for improved text retrieval
Seung-Hoon Na | Hwee Tou Ng

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Mining employment market via text block detection and adaptive cross-domain information extraction
Tak-Lam Wong | Wai Lam | Bo Chen

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A proximity language model for information retrieval
Jinglei Zhao | Yeogirl Yun

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Positional language models for information retrieval
Yuanhua Lv | ChengXiang Zhai

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A bayesian learning approach to promoting diversity in ranking for biomedical information retrieval
Xiangji Huang | Qinmin Hu

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Sources of evidence for vertical selection
Jaime Arguello | Fernando Diaz | Jamie Callan | Jean-François Crespo

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Adaptation of offline vertical selection predictions in the presence of user feedback
Fernando Diaz | Jaime Arguello

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A probabilistic topic-based ranking framework for location-sensitive domain information retrieval
Huajing Li | Zhisheng Li | Wang-Chien Lee | Dik Lun Lee

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Entropy-biased models for query representation on the click graph
Hongbo Deng | Irwin King | Michael R. Lyu

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Click-through prediction for news queries
Arnd Christian König | Michael Gamon | Qiang Wu

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Smoothing clickthrough data for web search ranking
Jianfeng Gao | Wei Yuan | Xiao Li | Kefeng Deng | Jian-Yun Nie

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Predicting user interests from contextual information
Ryen W. White | Peter Bailey | Liwei Chen

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A comparison of query and term suggestion features for interactive searching
Diane Kelly | Karl Gyllstrom | Earl W. Bailey

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An aspectual interface for supporting complex search tasks
Robert Villa | Iván Cantador | Hideo Joho | Joemon M. Jose

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Combining audio content and social context for semantic music discovery
Douglas Turnbull | Luke Barrington | Gert R. G. Lanckriet | Mehrdad Yazdani

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Automatic video tagging using content redundancy
Stefan Siersdorfer | José San Pedro | Mark Sanderson

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CompositeMap: a novel framework for music similarity measure
Bingjun Zhang | Jialie Shen | Qiaoliang Xiang | Ye Wang

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Quantifying performance and quality gains in distributed web search engines
Berkant Barla Cambazoglu | Vassilis Plachouras | Ricardo Baeza-Yates

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SUSHI: scoring scaled samples for server selection
Paul Thomas | Milad Shokouhi

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Effective query expansion for federated search
Milad Shokouhi | Leif Azzopardi | Paul Thomas

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From networks to human behavior
Albert-László Barabási

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On rank correlation and the distance between rankings
Ben Carterette

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Score adjustment for correction of pooling bias
William Webber | Laurence Anthony F. Park

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Towards methods for the collective gathering and quality control of relevance assessments
Gabriella Kazai | Natasa Milic-Frayling | Jamie Costello

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On the local optimality of LambdaRank
Pinar Donmez | Krysta M. Svore | Christopher J. C. Burges

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Document selection methodologies for efficient and effective learning-to-rank
Javed A. Aslam | Evangelos Kanoulas | Virgiliu Pavlu | Stefan Savev | Emine Yilmaz

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An improved markov random field model for supporting verbose queries
Matthew Lease

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Placing flickr photos on a map
Pavel Serdyukov | Vanessa Murdock | Roelof van Zwol

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An automatic translation of tags for multimedia contents using folksonomy networks
Tae-Gil Noh | Seong-Bae Park | Hee-Geun Yoon | Sang-Jo Lee | Se-Young Park

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CrowdReranking: exploring multiple search engines for visual search reranking
Yuan Liu | Tao Mei | Xian-Sheng Hua

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Including summaries in system evaluation
Andrew Turpin | Falk Scholer | Kalervo Järvelin | Mingfang Wu | J. Shane Culpepper

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When more is less: the paradox of choice in search engine use
Antti Oulasvirta | Janne P. Hukkinen | Barry Schwartz

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Where to stop reading a ranked list?: threshold optimization using truncated score distributions
Avi Arampatzis | Jaap Kamps | Stephen Robertson

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The wisdom of the few: a collaborative filtering approach based on expert opinions from the web
Xavier Amatriain | Neal Lathia | Josep M. Pujol | Haewoon Kwak | Nuria Oliver

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Personalized tag recommendation using graph-based ranking on multi-type interrelated objects
Ziyu Guan | Jiajun Bu | Qiaozhu Mei | Chun Chen | Can Wang

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Leveraging sources of collective wisdom on the web for discovering technology synergies
Cai-Nicolas Ziegler | Stefan Jung

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Query side evaluation: an empirical analysis of effectiveness and effort
Leif Azzopardi

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Reducing long queries using query quality predictors
Giridhar Kumaran | Vitor R. Carvalho

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Extracting structured information from user queries with semi-supervised conditional random fields
Xiao Li | Ye-Yi Wang | Alex Acero

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The impact of crawl policy on web search effectiveness
Dennis Fetterly | Nick Craswell | Vishwa Vinay

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Optimizing search engine revenue in sponsored search
Yunzhang Zhu | Gang Wang | Junli Yang | Dakan Wang | Jun Yan | Jian Hu | Zheng Chen

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Web-derived resources for web information retrieval: from conceptual hierarchies to attribute hierarchies
Marius Pasca | Enrique Alfonseca

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Spam filter evaluation with imprecise ground truth
Gordon V. Cormack | Aleksander Kolcz

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Telling experts from spammers: expertise ranking in folksonomies
Michael G. Noll | Ching-man Au Yeung | Nicholas Gibbins | Christoph Meinel | Nigel Shadbolt

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Detecting spammers and content promoters in online video social networks
Fabrício Benevenuto | Tiago Rodrigues | Virgílio A. F. Almeida | Jussara M. Almeida | Marcos André Gonçalves

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AdOn: an intelligent overlay video advertising system
Jinlian Guo | Tao Mei | Falin Liu | Xian-Sheng Hua

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Agreement among statistical significance tests for information retrieval evaluation at varying sample sizes
Mark D. Smucker | James Allan | Ben Carterette

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Annotation of URLs: more than the sum of parts
Max Hinne | Wessel Kraaij | Stephan Raaijmakers | Suzan Verberne | Theo P. van der Weide | Maarten van der Heijden

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Automatic URL completion and prediction using fuzzy type-ahead search
Jiannan Wang | Guoliang Li | Jianhua Feng

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Beyond session segmentation: predicting changes in search intent with client-side user interactions
Qi Guo | Eugene Agichtein

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Blog distillation using random walks
Mostafa Keikha | Mark James Carman | Fabio Crestani

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A case for improved evaluation of query difficulty prediction
Falk Scholer | Steven Garcia

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Characterizing the subjectivity of topics
Marc-Allen Cartright | Elif Aktolga | Jeffrey Dalton

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Classifying library catalogue by author profiling
Tadashi Nomoto

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Cluster-based query expansion
Inna Gelfer Kalmanovich | Oren Kurland

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Comparing both relevance and robustness in selection of web ranking functions
Fan Li | Xin Li | Shihao Ji | Zhaohui Zheng

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A comparison of retrieval-based hierarchical clustering approaches to person name disambiguation
Christof Monz | Wouter Weerkamp

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Compression-based document length prior for language models
Javier Parapar | David E. Losada | Alvaro Barreiro

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Concept representation based video indexing
Meng Wang | Yan Song | Xian-Sheng Hua

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Context transfer in search advertising
Hila Becker | Andrei Z. Broder | Evgeniy Gabrilovich | Vanja Josifovski | Bo Pang

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Counting ancestors to estimate authority
Jian Wang | Brian D. Davison

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Cross language name matching
J. Scott McCarley

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Deep versus shallow judgments in learning to rank
Emine Yilmaz | Stephen Robertson

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Developing energy efficient filtering systems
Leif Azzopardi | Wim Vanderbauwhede | Mahmoud Moadeli

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Enhancing topical ranking with preferences from click-through data
Yi Chang | Anlei Dong | Ciya Liao | Zhaohui Zheng

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Equivalence between nonnegative tensor factorization and tensorial probabilistic latent semantic analysis
Wei Peng

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The ESA retrieval model revisited
Maik Anderka | Benno Stein

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Estimating query performance using class predictions
Kevyn Collins-Thompson | Paul N. Bennett

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Evaluating effects of machine translation accuracy on cross-lingual patent retrieval
Atsushi Fujii | Masao Utiyama | Mikio Yamamoto | Takehito Utsuro

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Evaluating web search using task completion time
Ya Xu | David Mease

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An evaluation of entity and frequency based query completion methods
Edgar Meij | Peter Mika | Hugo Zaragoza

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Evolutionary document summarization for disaster management
Dingding Wang | Li Zheng | Tao Li | Yi Deng

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Experiments in CLIR using fuzzy string search based on surface similarity
Sethuramalingam Subramaniam | Anil Kumar Singh | Pradeep Dasigi | Vasudeva Varma

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Feature selection for automatic taxonomy induction
Hui Yang | Jamie Callan

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Finding advertising keywords on video scripts
Jung-Tae Lee | Hyungdong Lee | Hee-Seon Park | Young-In Song | Hae-Chang Rim

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Fitting score distribution for blog opinion retrieval
Ben He | Jie Peng | Iadh Ounis

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A graph-based approach to mining multilingual word associations from wikipedia
Zheng Ye | Xiangji Huang | Hongfei Lin

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Has adhoc retrieval improved since 1994?
Timothy G. Armstrong | Alistair Moffat | William Webber | Justin Zobel

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High precision retrieval using relevance-flow graph
Jangwon Seo | Jiwoon Jeon

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Identifying the original contribution of a document via language modeling
Benyah Shaparenko | Thorsten Joachims

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The importance of manual assessment in link discovery
Darren Wei Che Huang | Andrew Trotman | Shlomo Geva

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Improving search relevance for implicitly temporal queries
Donald Metzler | Rosie Jones | Fuchun Peng | Ruiqiang Zhang

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Improving user confidence in cultural heritage aggregated results
Junte Zhang | Alia Amin | Henriette S. M. Cramer | Vanessa Evers | Lynda Hardman

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Incorporating prior knowledge into a transductive ranking algorithm for multi-document summarization
Massih-Reza Amini | Nicolas Usunier

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Integrating clusters created offline with query-specific clusters for document retrieval
Lior Meister | Oren Kurland | Inna Gelfer Kalmanovich

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Integrating phrase inseparability in phrase-based model
Lixin Shi | Jian-Yun Nie

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Is spam an issue for opinionated blog post search?
Craig Macdonald | Iadh Ounis | Ian Soboroff

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Is this urgent?: exploring time-sensitive information needs in collaborative question answering
Yandong Liu | Nitya Narasimhan | Venu Vasudevan | Eugene Agichtein

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It pays to be picky: an evaluation of thread retrieval in online forums
Jonathan L. Elsas | Jaime G. Carbonell

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Knowledge transformation for cross-domain sentiment classification
Tao Li | Vikas Sindhwani | Chris H. Q. Ding | Yi Zhang

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K-tree: large scale document clustering
Christopher M. De Vries | Shlomo Geva

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A latent topic model for linked documents
Zhen Guo | Shenghuo Zhu | Yun Chi | Zhongfei Zhang | Yihong Gong

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Measuring constraint violations in information retrieval
Ronan Cummins | Colm O'Riordan

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Measuring the descriptiveness of web comments
Martin Potthast

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Mining product reviews based on shallow dependency parsing
Qi Zhang | Yuanbin Wu | Tao Li | Mitsunori Ogihara | Joseph Johnson | Xuanjing Huang

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Modeling facial expressions and peripheral physiological signals to predict topical relevance
Ioannis Arapakis | Ioannis Konstas | Joemon M. Jose | Ioannis Kompatsiaris

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Modeling search response time
Dan Zhang | Luo Si

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Multiclass VisualRank: image ranking method in clustered subsets based on visual features
Mitsuru Ambai | Yuichi Yoshida

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Multiple approaches to analysing query diversity
Paul D. Clough | Mark Sanderson | Murad Abouammoh | Sergio Navarro | Monica Lestari Paramita

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Multiview clustering: a late fusion approach using latent models
Eric Bruno | Stéphane Marchand-Maillet

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On efficient posting list intersection with multicore processors
Shirish Tatikonda | Flavio Junqueira | Berkant Barla Cambazoglu | Vassilis Plachouras

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On perfect document rankings for expert search
Craig Macdonald | Iadh Ounis

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On single-pass indexing with MapReduce
Richard McCreadie | Craig Macdonald | Iadh Ounis

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On the relative age of spam and ham training samples for email filtering
Gordon V. Cormack | José-Marcio Martins da Cruz

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Page hunt: improving search engines using human computation games
Hao Ma | Raman Chandrasekar | Chris Quirk | Abhishek Gupta

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Personalized music emotion recognition
Yi-Hsuan Yang | Yu-Ching Lin | Homer H. Chen

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Predicting stopping behaviour: a preliminary analysis
Elaine G. Toms | Luanne Freund

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Protein identification as an information retrieval problem
Yiming Yang | Subramaniam Ganapathy | Abhay Harpale

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Query sampling for ranking learning in web search
Linjun Yang | Li Wang | Bo Geng | Xian-Sheng Hua

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A ranking approach to keyphrase extraction
Xin Jiang | Yunhua Hu | Hang Li

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Reciprocal rank fusion outperforms condorcet and individual rank learning methods
Gordon V. Cormack | Charles L. A. Clarke | Stefan Büttcher

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Relevance criteria for e-commerce: a crowdsourcing-based experimental analysis
Omar Alonso | Stefano Mizzaro

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A relevance model based filter for improving ad quality
Hema Raghavan | Dustin Hillard

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A relevance-based topic model for news event tracking
Viet Ha-Thuc | Yelena Mejova | Christopher G. Harris | Padmini Srinivasan

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Revisiting logical imaging for information retrieval
Guido Zuccon | Leif Azzopardi | C. J. van Rijsbergen

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A robust retrieval system of polyphonic music based on chord progression similarity
Pierre Hanna | Thomas Rocher | Matthias Robine

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Score and rank convergence of HITS
Enoch Peserico | Luca Pretto

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A search engine in a few lines.: yes, we can!
Stefan Savev

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Search engine predilection towards news media providers
Leif Azzopardi | Ciaran Owens

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Searching documentation using text, OCR, and image
Tom Yeh | Boris Katz

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Selecting hierarchical clustering cut points for web person-name disambiguation
Jun Gong | Douglas W. Oard

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Serendipitous search via wikipedia: a query log analysis
Tetsuya Sakai | Kenichi Nogami

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Spoken information retrieval for turkish broadcast news
Siddika Parlak | Murat Saraclar

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A study of inter-annotator agreement for opinion retrieval
Adam Bermingham | Alan F. Smeaton

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SugarCube: quantification of topic propagation in the blogosphere using percolation theory
Ali Azimi Bolourian | Yashar Moshfeghi | C. J. van Rijsbergen

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System scoring using partial prior information
Sri Devi Ravana | Laurence Anthony F. Park | Alistair Moffat

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Tag-based object similarity computation using term space dimension reduction
Yong Ki Lee | Sung Jun Lee | Jonghun Park

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Tagging products using image classification
Brian Tomasik | Phyo Thiha | Douglas Turnbull

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Template-independent wrapper for web forums
Qi Zhang | Yang Shi | Xuanjing Huang | Lide Wu

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Temporal collaborative filtering with adaptive neighbourhoods
Neal Lathia | Stephen Hailes | Licia Capra

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Temporal query substitution for ad search
Wen Zhang | Jun Yan | Shuicheng Yan | Ning Liu | Zheng Chen

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Term-based commercial intent analysis
Azin Ashkan | Charles L. A. Clarke

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Topic (query) selection for IR evaluation
Jianhan Zhu | Jun Wang | Vishwa Vinay | Ingemar J. Cox

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Topic prerogative feature selection using multiple query examples for automatic video retrieval
P. Punitha | Joemon M. Jose | Anuj Goyal

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Topic set size redux
Ellen M. Voorhees

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Transforming patents into prior-art queries
Xiaobing Xue | W. Bruce Croft

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Two-stage query segmentation for information retrieval
Michael Bendersky | W. Bruce Croft | David A. Smith

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Undergraduates' evaluations of assigned search topics
Earl W. Bailey | Diane Kelly | Karl Gyllstrom

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A unified inverted index for an efficient image and text retrieval
Jonathan Mamou | Yosi Mass | Michal Shmueli-Scheuer | Benjamin Sznajder

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Usefulness of click-through data in expert search
Craig Macdonald | Ryen W. White

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User-centric multi-criteria information retrieval
Shawn R. Wolfe | Yi Zhang

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Users' stopping behaviors and estimates of recall
Maureen Dostert | Diane Kelly

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Using dynamic markov compression to detect vandalism in the wikipedia
Kelly Y. Itakura | Charles L. A. Clarke

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Using wikipedia categories for ad hoc search
Rianne Kaptein | Marijn Koolen | Jaap Kamps

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Visualizing the problems with the INEX topics
Andrew Trotman | Maria del Rocio Gomez Crisostomo | Mounia Lalmas

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What queries are likely to recur in web search?
Dell Zhang | Jinsong Lu

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When is query performance prediction effective?
Claudia Hauff | Leif Azzopardi

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Who said what to whom?: capturing the structure of debates
Rianne Kaptein | Maarten Marx | Jaap Kamps

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EvaluatIR: an online tool for evaluating and comparing IR systems
Timothy G. Armstrong | Alistair Moffat | William Webber | Justin Zobel

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Expertise search in academia using facets
Duncan McDougall | Craig Macdonald

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Exploiting social context for expertise propagation
Greg P. Milette | Michael K. Schneider | Kathy Ryall | Robert Hyland

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Social networks and discovery in the enterprise (SaND)
Inbal Ronen | Elad Shahar | Sigalit Ur | Erel Uziel | Sivan Yogev | Naama Zwerdling | David Carmel | Ido Guy | Nadav Har'El | Shila Ofek-Koifman

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Sifting micro-blogging stream for events of user interest
Maxim N. Grinev | Maria P. Grineva | Alexander Boldakov | Leonid Novak | Andrey Syssoev | Dmitry Lizorkin

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Incentives for social annotation
Heather Roinestad | John Burgoon | Benjamin Markines | Filippo Menczer

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Accommodating colorblind users in image search
Meng Wang | Bo Liu | Linjun Yang | Xian-Sheng Hua

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Generic similarity search engine demonstrated by an image retrieval application
David Novak | Michal Batko | Pavel Zezula

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Pharos: an audiovisual search platform
Alessandro Bozzon | Marco Brambilla | Piero Fraternali | Francesco Saverio Nucci | Stefan Debald | Eric Moore | Wolfgang Nejdl | Michel Plu | Patrick Aichroth | Olli Pihlajamaa | Cyril Laurier | Serge Zagorac | Gerhard Backfried | Daniel Weinland | Vincenzo Croce

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Agate: information gathering for risk monitoring
Arnaud Saval | Yann Mombrun

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wikiSearch: enabling interactivity in search
Elaine G. Toms | Tayze Mackenzie | Chris Jordan | Sam Hall

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CDPRanking: discovering and ranking cross-document paths between entities
Wei Jin | Xin Wu

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Context-based health information retrieval
Carla Lopes

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Modeling uncertainty in video retrieval: a retrieval model for uncertain semantic representations of videos
Robin Aly

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Toponym ambiguity in geographical information retrieval
Davide Buscaldi

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Exploiting temporal information in retrieval of archived documents
Nattiya Kanhabua

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Using document structure for automatic summarization
Aurélien Bossard

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Topic structure for information retrieval
Jiyin He

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Using computational community interest as an indicator for ranking
Xiaozhong Liu

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Affective adaptive retrieval: study of emotion in adaptive retrieval
Yashar Moshfeghi

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A study on performance volatility in information retrieval
Mehdi Hosseini

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Novelty detection across different source types and languages
Johannes Schanda

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Personalizing information retrieval using task features, topic knowledge, and task product
Jingjing Liu

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Exploiting memory cues in personal lifelog retrieval
Yi Chen