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Advances in Information Retrieval, 29th European Conference on IR Research, ECIR 2007, Rome, Italy, April 2-5, 2007, Proceedings

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The Next Generation Web Search and the Demise of the Classic IR Model
Andrei Z. Broder

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The Last Half-Century: A Perspective on Experimentation in Information Retrieval
Stephen Robertson

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Learning in Hyperlinked Environments
Marco Gori

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A Parameterised Search System
Roberto Cornacchia | Arjen P. de Vries

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Similarity Measures for Short Segments of Text
Donald Metzler | Susan T. Dumais | Christopher Meek

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Multinomial Randomness Models for Retrieval with Document Fields
Vassilis Plachouras | Iadh Ounis

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On Score Distributions and Relevance
Stephen Robertson

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Modeling Term Associations for Ad-Hoc Retrieval Performance Within Language Modeling Framework
Xing Wei | W. Bruce Croft

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Static Pruning of Terms in Inverted Files
Roi Blanco | Alvaro Barreiro

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Efficient Indexing of Versioned Document Sequences
Michael Herscovici | Ronny Lempel | Sivan Yogev

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Light Syntactically-Based Index Pruning for Information Retrieval
Christina Lioma | Iadh Ounis

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Sorting Out the Document Identifier Assignment Problem
Fabrizio Silvestri

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Efficient Construction of FM-index Using Overlapping Block Processing for Large Scale Texts
Di Zhang | Yunquan Zhang | Jing Chen

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Performance Comparison of Clustered and Replicated Information Retrieval Systems
Fidel Cacheda | Victor Carneiro | Vassilis Plachouras | Iadh Ounis

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A Study of a Weighting Scheme for Information Retrieval in Hierarchical Peer-to-Peer Networks
Massimo Melucci | Alberto Poggiani

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A Decision-Theoretic Model for Decentralised Query Routing in Hierarchical Peer-to-Peer Networks
Henrik Nottelmann | Norbert Fuhr

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Central-Rank-Based Collection Selection in Uncooperative Distributed Information Retrieval
Milad Shokouhi

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Results Merging Algorithm Using Multiple Regression Models
Georgios Paltoglou | Michail Salampasis | Maria Satratzemi

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Segmentation of Search Engine Results for Effective Data-Fusion
Milad Shokouhi

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Query Hardness Estimation Using Jensen-Shannon Divergence Among Multiple Scoring Functions
Javed A. Aslam | Virgiliu Pavlu

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Query Reformulation and Refinement Using NLP-Based Sentence Clustering
Frédéric Roulland | Aaron N. Kaplan | Stefania Castellani | Claude Roux | Antonietta Grasso | Karin Pettersson | Jacki O'Neill

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Automatic Morphological Query Expansion Using Analogy-Based Machine Learning
Fabienne Moreau | Vincent Claveau | Pascale Sébillot

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Advanced Structural Representations for Question Classification and Answer Re-ranking
Silvia Quarteroni | Alessandro Moschitti | Suresh Manandhar | Roberto Basili

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Incorporating Diversity and Density in Active Learning for Relevance Feedback
Zuobing Xu | Ram Akella | Yi Zhang

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Relevance Feedback Using Weight Propagation Compared with Information-Theoretic Query Expansion
Fadi Yamout | Michael P. Oakes | John Tait

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A Retrieval Evaluation Methodology for Incomplete Relevance Assessments
Mark Baillie | Leif Azzopardi | Ian Ruthven

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Evaluating Query-Independent Object Features for Relevancy Prediction
Andrés R. Masegosa | Hideo Joho | Joemon M. Jose

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The Utility of Information Extraction in the Classification of Books
Tom Betts | Maria Milosavljevic | Jon Oberlander

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Combined Syntactic and Semantic Kernels for Text Classification
Stephan Bloehdorn | Alessandro Moschitti

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Fast Large-Scale Spectral Clustering by Sequential Shrinkage Optimization
Tie-Yan Liu | Huai-Yuan Yang | Xin Zheng | Tao Qin | Wei-Ying Ma

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A Probabilistic Model for Clustering Text Documents with Multiple Fields
Shanfeng Zhu | Ichigaku Takigawa | Shuqin Zhang | Hiroshi Mamitsuka

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Personalized Communities in a Distributed Recommender System
Sylvain Castagnos | Anne Boyer

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Information Recovery and Discovery in Collaborative Web Search
Maurice Coyle | Barry Smyth

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Collaborative Filtering Based on Transitive Correlations Between Items
Alexandros Nanopoulos

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Entropy-Based Authorship Search in Large Document Collections
Ying Zhao | Justin Zobel

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Use of Topicality and Information Measures to Improve Document Representation for Story Link Detection
Chirag Shah | Koji Eguchi

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Ad Hoc Retrieval of Documents with Topical Opinion
Jason Skomorowski | Olga Vechtomova

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Probabilistic Models for Expert Finding
Hui Fang | ChengXiang Zhai

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Using Relevance Feedback in Expert Search
Craig Macdonald | Iadh Ounis

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Using Topic Shifts for Focussed Access to XML Repositories
Elham Ashoori | Mounia Lalmas

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Feature- and Query-Based Table of Contents Generation for XML Documents
Zoltán Szlávik | Anastasios Tombros | Mounia Lalmas

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Setting Per-field Normalisation Hyper-parameters for the Named-Page Finding Search Task
Ben He | Iadh Ounis

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Combining Evidence for Relevance Criteria: A Framework and Experiments in Web Retrieval
Theodora Tsikrika | Mounia Lalmas

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Classifier Fusion for SVM-Based Multimedia Semantic Indexing
Stéphane Ayache | Georges Quénot | Jérôme Gensel

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Search of Spoken Documents Retrieves Well Recognized Transcripts
Mark Sanderson | Xiao Mang Shou

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Natural Language Processing for Usage Based Indexing of Web Resources
Anne Boyer | Armelle Brun

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Harnessing Trust in Social Search
Peter Briggs | Barry Smyth

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How to Compare Bilingual to Monolingual Cross-Language Information Retrieval
Franco Crivellari | Giorgio Maria Di Nunzio | Nicola Ferro

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Multilingual Text Classification Using Ontologies
Gerard de Melo | Stefan Siersdorfer

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Using Visual-Textual Mutual Information and Entropy for Inter-modal Document Indexing
Jean Martinet | Shin'ichi Satoh

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A Study of Global Inference Algorithms in Multi-document Summarization
Ryan T. McDonald

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Document Representation Using Global Association Distance Model
José Eladio Medina-Pagola | Ansel Y. Rodríguez González | Abdel Hechavarría Díaz | José Hernández Palancar

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Sentence Level Sentiment Analysis in the Presence of Conjuncts Using Linguistic Analysis
Arun Meena | Tadinada Vankata Prabhakar

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PageRank: When Order Changes
Massimo Melucci | Luca Pretto

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Model Tree Learning for Query Term Weighting in Question Answering
Christof Monz

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Examining Repetition in User Search Behavior
Mark Sanderson | Susan T. Dumais

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Popularity Weighted Ranking for Academic Digital Libraries
Yang Sun | C. Lee Giles

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Naming Functions for the Vector Space Model
Yannis Tzitzikas | Yannis Theoharis

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Effective Use of Semantic Structure in XML Retrieval
Roelof van Zwol | Tim van Loosbroek

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Searching Documents Based on Relevance and Type
Jun Xu | Yunbo Cao | Hang Li | Nick Craswell | Yalou Huang

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Investigation of the Effectiveness of Cross-Media Indexing
Murat Yakici | Fabio Crestani

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Improve Ranking by Using Image Information
Qing Yu | Shuming Shi | Zhiwei Li | Ji-Rong Wen | Wei-Ying Ma

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N -Step PageRank for Web Search
Li Zhang | Tao Qin | Tie-Yan Liu | Ying Bao | Hang Li

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Authorship Attribution Via Combination of Evidence
Ying Zhao | Phil Vines

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Cross-Document Entity Tracking
Roxana Angheluta | Marie-Francine Moens

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Enterprise People and Skill Discovery Using Tolerant Retrieval and Visualization
Jan Brunnert | Omar Alonso | Dirk Riehle

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Experimental Results of the Signal Processing Approach to Distributional Clustering of Terms on Reuters-21578 Collection
Marta Capdevila Dalmau | Óscar W. Márquez Flórez

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Overall Comparison at the Standard Levels of Recall of Multiple Retrieval Methods with the Friedman Test
José M. Casanova | Manuel A. Presedo Quindimil | Alvaro Barreiro

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Building a Desktop Search Test-Bed
Sergey Chernov | Pavel Serdyukov | Paul-Alexandru Chirita | Gianluca Demartini | Wolfgang Nejdl

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Hierarchical Browsing of Video Key Frames
Gianluigi Ciocca | Raimondo Schettini

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Active Learning with History-Based Query Selection for Text Categorisation
Michael Davy | Saturnino Luz

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Fighting Link Spam with a Two-Stage Ranking Strategy
Guanggang Geng | Chunheng Wang | Qiudan Li | Yuanping Zhu

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Improving Naive Bayes Text Classifier Using Smoothing Methods
Feng He | Xiaoqing Ding

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Term Selection and Query Operations for Video Retrieval
Bouke Huurnink | Maarten de Rijke

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An Effective Threshold-Based Neighbor Selection in Collaborative Filtering
Taek-Hun Kim | Sung-Bong Yang

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Combining Multiple Sources of Evidence in XML Multimedia Documents: An Inference Network Incorporating Element Language Models
Zhigang Kong | Mounia Lalmas

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Language Model Based Query Classification
Andreas Merkel | Dietrich Klakow

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Integration of Text and Audio Features for Genre Classification in Music Information Retrieval
Robert Neumayer | Andreas Rauber

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Retrieval Method for Video Content in Different Format Based on Spatiotemporal Features
Xuefeng Pan | Jintao Li | Yongdong Zhang | Sheng Tang | Juan Cao

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Combination of Document Priors in Web Information Retrieval
Jie Peng | Iadh Ounis

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Enhancing Expert Search Through Query Modeling
Pavel Serdyukov | Sergey Chernov | Wolfgang Nejdl

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A Hierarchical Consensus Architecture for Robust Document Clustering
Xavier Sevillano | Germán Cobo | Francesc Alías | Joan Claudi Socoró

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Summarisation and Novelty: An Experimental Investigation
Simon O. Sweeney | Fabio Crestani | David E. Losada

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A Layered Approach to Context-Dependent User Modelling
Elena Vildjiounaite | Sanna Kallio

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A Bayesian Approach for Learning Document Type Relevance
Peter C. K. Yeung | Stefan Büttcher | Charles L. A. Clarke | Maheedhar Kolla