About Me – Publications – Unorganized Machines (a blog by Hugo Zaragoza).

PUBLICATIONS

2012

Measuring website similarity using an entity-aware click graph
Mendes, Pablo N and Mika, Peter and Zaragoza, Hugo and Blanco, Roi. Proceedings of the 21st ACM international conference on Information and knowledge management, 2012.

2011

Beware of Relatively Large but Meaningless Improvements
R. Blanco and H. Zaragoza. Yahoo! Research 2011-001, 2011.
Learning to rank answers to non-factoid questions from web collections
Surdeanu, Mihai and Ciaramita, Massimiliano and Zaragoza, Hugo. Computational Linguistics, 2011.

2010

Ad-hoc object retrieval in the web of data
Pound, Jeffrey and Mika, Peter and Zaragoza, Hugo. Proceedings of the 19th international conference on World wide web, 2010.
Time Explorer
Yahoo! Research. (DEMO), 2010.
Searching through time in the New York Times
M. Matthews and P. Tolchinsky and R. Blanco and J. Atserias and P. Mika and H. Zaragoza. Bridging Human-Computer Interaction and Information Retrieval (HCIR Workshop), 2010.
Web Search Solved? All Result Rankings the Same?
H. Zaragoza and B. B. Cambazoglu and R. Baeza-Yates. 19th ACM International Conference on Information and Knowledge Management (CIKM), 2010.
Elhuyar-ixa: Semantic relatedness and cross-lingual passage retrieval
Agirre, Eneko and Ansa, Olatz and Arregi, Xabier and De Lacalle, Maddalen Lopez and Otegi, Arantxa and Saralegi, Xabier and Zaragoza, Hugo. Multilingual Information Access Evaluation I. Text Retrieval Experiments, 2010.
Using semantic relatedness and word sense disambiguation for (CL) IR
Agirre, Eneko and Otegi, Arantxa and Zaragoza, Hugo. Multilingual Information Access Evaluation I. Text Retrieval Experiments, 2010.
TAER: Time-Aware Entity Retrieval
G. Demartini and M.M.S. Missen and R. Blanco and H. Zaragoza. 19th ACM International Conference on Information and Knowledge Management (CIKM) (short-paper), 2010.
Finding Support Sentences for Entities
R. Blanco and H. Zaragoza. Proceedings of the 32nd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR), 2010.
Caching Search Engine Results over Incremental Indices
R. Blanco and E. Bortnikov and F. Junqueira and R. Lempel and L. Telloli and H. Zaragoza.Proceedings of the 32nd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR), 2010.
Entity Summarization of News Articles
G. Demartini and M.M.S. Missen and R. Blanco and H. Zaragoza. Proceedings of the 32nd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR) (poster), 2010.
Ad-hoc Object Retrieval in the Web of Data
J. Pound and P. Mika and H. Zaragoza. Proceedings of the World Wide Web conference (WWW’2010), 2010.
Caching Search Engine Results over Incremental Indices
R. Blanco and E. Bortnikov and F. Junqueira and R. Lempel and L. Telloli and H. Zaragoza.Proceedings of the World Wide Web conference (WWW’2010) (poster), 2010.
Active Learning for Building a Corpus of Questions for Parsing
J. Atserias and G. Attardi and M. Simi and H. Zaragoza. Proceedings of the Eigth International Language Resources and Evaluation (LREC’10), 2010.
Structure of Morphologically Expanded Queries: A Genetic Algorithm Approach
L. Araujo and H. Zaragoza and J. R. Pérez-Agüera and J. Pérez-Iglesias. Data Knowledge & Engineering, 2010.
Early exit optimizations for additive machine learned ranking systems
Cambazoglu, B Barla and Zaragoza, Hugo and Chapelle, Olivier and Chen, Jiang and Liao, Ciya and Zheng, Zhaohui and Degenhardt, Jon. Proceedings of the third ACM international conference on Web search and data mining, 2010.

2009

Quest (Explore Yahoo! Answers)
Yahoo! Research. (DEMO), 2009.
Investigating the demand side of semantic search through query log analysis
Meij, Edgar and Mika, Peter and Zaragoza, Hugo. Proceedings of the Workshop on Semantic Search (SemSearch 2009) at the 18th International World Wide Web Conference (WWW 2009), 2009.
Annotated Search and Element Retrieval
H. Zaragoza and M. Matthews and R. Blanco and J. Atserias. Proceedings of the First International Workshop on Living Web, 8th International Semantic Web Conference (ISWC 2009), 2009.
The Probabilistic Relevance Framework: BM25 and Beyond
S. Robertson and H. Zaragoza. Foundations and Trends in Information Retrieval, 2009.
Web Search Relevance Ranking
Hugo Zaragoza and Marc Najork. Encyclopedia of Database Systems, 2009.
Investigating the Semantic Gap through Query Log Analysis
P. Mika and E. Meij and H. Zaragoza. The 8th International Semantic Web Conference (ISWC), 2009.
An evaluation of entity and frequency based query completion methods
Edgar Meij and Peter Mika and Hugo Zaragoza. Proceedings of the 32nd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR), 2009.
Semi-Parametric and Non-parametric Term Weighting for Information Retrieval
D. Metzler and H. Zaragoza. International Conference on the Theory of Information Retrieval (ICTIR’09), 2009.
Web Search Relevance Ranking
H. Zaragoza and M. Najork. Encyclopedia of Database Systems, 2009.
Company-oriented extractive summarization of financial news
Katja Filippova and Mihai Surdeanu and Hugo Zaragoza and Massimiliano Ciaramita. EACL, 2009.

2008

Learning to Rank Answers on Large Online QA Collections
M. Surdeanu and M. Ciaramita and H. Zaragoza. 46th Annual Meeting of the Association for Computational Linguistics: Human Language Technologies (ACL), 2008.
Manner Questions and Answers from Yahoo! Answers v.1
M. Surdeanu and M. Ciaramita and H. Zaragoza. (DATASET), 2008.
Correlator
Yahoo! Research. (DEMO), 2008.
UCM-Y!R at CLEF 2008 Robust and WSD tasks
J. R. Pérez-Agüera and H. Zaragoza. CLEF 2008 Workshop, 2008.
Exploiting morphological query structure using Genetic Optimization
J. R. Pérez-Agüera and H. Zaragoza and L. Araujo. NLDB 2008 13th International Conference on Applications of Natural Language to Information Systems., 2008.
Workshop Summary: Exploiting Semantic Annotations in Information Retrieval
Omar Alonso and Hugo Zaragoza. Advances in Information Retrieval , 30th European Conference on IR Research, ECIR 2008, 2008.
Semantically Annotated Snapshot of the English Wikipedia
Jordi Atserias and Hugo Zaragoza and Massimiliano Ciaramita and Giuseppe Attardi. Proceedings of the Sixth International Language Resources and Evaluation (LREC’08), 2008.
Towards Semantic Search
Ricardo A. Baeza-Yates and Massimiliano Ciaramita and Peter Mika and Hugo Zaragoza. Natural Language and Information Systems, 13th International Conference on Applications of Natural Language to Information Systems, NLDB 2008., 2008.
Near-Term Prospects for Semantic Technologies
V. Richard Benjamins and John Davies and Ricardo Baeza-Yates and Peter Mika and H. Zaragoza and Mark Greaves and Jose Manuel Gomez-Perez and Jesus Contreras and John Domingue and Dieter Fensel. Intelligent Systems, 2008.
Learning to Tag and Tagging to Learn: A Case Study on Wikipedia
Peter Mika and Massimiliano Ciaramita and Hugo Zaragoza and Jordi Atserias. IEEE Intelligent Systems, 2008.
Inferring the Most Important Types of a Query: a Semantic Approach
David Vallet and Hugo Zaragoza. Proceedings of ACM SIGIR’2008, 2008.

2007

On rank-based effectiveness measures and optimization
Stephen Robertson and H. Zaragoza. Information Retrieval, 2007.
Ranking Very Many Typed Entities on Wikipedia
H. Zaragoza and Henning Rode and Peter Mika and Jordi Atserias and Massimiliano Ciaramita and Giuseppe Attardi. CIKM ’07: Proceedings of the sixteenth ACM international conference on Information and knowledge management, 2007.
Predictive User Click Models Based on Clickthrough History
Benjamin Piwowarsky and H. Zaragoza. CIKM ’07: Proceedings of the sixteenth ACM international conference on Information and knowledge management, 2007.
Semantically Annotated Snapshot of the English Wikipedia v.0 (SW0)
H. Zaragoza and J. Atserias and M. Ciaramita and G. Attardi. , 2007.
Semantically Annotated Snapshot of the English Wikipedia v.1 (SW1)
H. Zaragoza and J. Atserias and M. Ciaramita and G. Attardi. , 2007.
Hits on the web: how does it compare?
Marc Najork and Hugo Zaragoza and Michael J. Taylor. Proceedings of the 30th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR), 2007.

2006

The Smoothed Dirichlet distribution: Explaining KL-divergence in information retrieval
Ramesh Nallapati and Thomas Minka and H. Zaragoza and Stephen Robertson. Technical Report CIIR, 2006.
On rank-based effectiveness measures and optimisation
Stephen Robertson and H. Zaragoza. Research Technical Report MSR-TR-2006-61, 2006.
Optimisation methods for ranking functions with multiple parameters
Michael Taylor and H. Zaragoza and Nick Craswell and Stephen Robertson and Chris Burges.Fifteenth Conference on Information and Knowledge Management (ACM CIKM), 2006.

2005

Relevance weighting for query independent evidence
Nick Craswell and Stephen Robertson and H. Zaragoza and Michael Taylor. Proceedings of ACM SIGIR’2005, 2005.
Microsoft Cambridge at TREC-14: Enterprise track
Nick Craswell and H. Zaragoza and Stephen Robertson. Text REtrieval Conference (TREC-14), 2005.
Learning What To Talk About in Descriptive Games
H. Zaragoza and C.H. Li. Human Language Technology Conference / Conference on Empirical Methods in Natural Language Processing (HLT/EMNLP 2005), 2005.

2004

Simple BM25 Extension to Multiple Weighted Fields
S.E. Robertson and H. Zaragoza and M. Taylor. Thirteenth Conference on Information and Knowledge Management (CIKM), 2004.
Parsimonious Language Models for Information Retrieval
D. Hiemstra and S.E. Robertson and H. Zaragoza. ACM Conference on Research and Development in Information Retrieval (SIGIR), 2004.
Microsoft Cambridge at TREC 13: Web and HARD tracks
H. Zaragoza and N. Craswell and M. Taylor and S. Saria and S. Robertson. Text REtrieval Conference (TREC-13), 2004.

2003

Microsoft Cambridge at TREC 12: HARD track
S.E. Robertson and H. Zaragoza and M. Taylor. Text Retrieval Conference (TREC–12), 2003.
Language Modelling and Relevance
K. Sparck Jones and S.E. Robertson and D. Hiemstra and H. Zaragoza. Language Modelling for Information Retrieval, 2003.
Bayesian extension to the Language Model for ad hoc Information Retrieval
H. Zaragoza and D. Hiemstra and M. Tipping and S.E. Robertson. 2003 ACM Conference on Research and Development in Information Retrieval(SIGIR), 2003.

2002

Bases de Donn/’ees et Statistique (DataBases and Statistics)
P. Gallinari and H. Zaragoza and M.R. Amini. Apprentissage et Donn/’ees Textuelles (Learning and Textual Data), 2002.
Average Precision and the Problem of Generalisation
S.I. Hill and Zaragoza H. and R. Herbrich and P.J.W. Rayner. SIGIR Workshop on Mathematical/Formal Methods in Information Retrieval (MF/IR’2002), 2002.
The Perceptron Algorithm with Uneven Margins
Y. Li and H. Zaragoza and R. Herbrich and J. Shawe–Taylor and J. Kandola. Proceedings of the International Conference of Machine Learning (ICML’2002), 2002.
Microsoft Cambridge at TREC 2002: Filtering track
S.E. Robertson and S. Walker and H. Zaragoza and R. Herbrich. Text Retrieval Conference (TREC–11), 2002.
A Statistical Analysis of the Precision-Recall Graph
Herbrich, Ralf and Zaragoza, Hugo and Hill, Simon. , 2002.

2001

HMM–based Passage Models for Document Classification and Ranking
L. Denoyer and H. Zaragoza and P. Gallinari. 23rd European Colloquium on Information Retrieval Research (ECIR’01), 2001.
Microsoft Cambridge at TREC–10: Filtering and Web Tracks
S.E. Robertson and S. Walker and H. Zaragoza. Text Retrieval Conference (TREC–10), 2001.

2000

Intér^et des Mesures de Confiance en Classification
P. Leray and H. Zaragoza and F. d’Alché-Buc. 12ème Congrès Francophone AFRIF-AFIA de Reconnaissance des Formes et IntelligenceArtificielle (RFIA), 2000.
Learning for Sequence Extraction Tasks
M.R. Amini and H. Zaragoza and P. Gallinari. Content–Based Multimedia Information Access (RIAO), 2000.

1999

Modèles Dynamiques d’Apprentissage Numérique pour l’Accès à l’InformationTextuelle.
H. Zaragoza. Ph.D. Thesis, Computer Science, University of Paris 6, 1999.
Stochastic Models for Surface Information Extraction in Texts
M.R. Amini and H. Zaragoza and P. Gallinari. Int. Conf. of Artificial Neural Networks (ICANN), 1999.
Sequence Models for Automatic Highlighting and Surface Information Extraction
M.R. Amini and H. Zaragoza and P. Gallinari. The 21th Annual Colloquium on IR Research, British Computer Society’s IR Specialist Group (IRSG), 1999.

1998

Confidence Measures for Neural Network Classifiers
H. Zaragoza and d’Alché–F. Buc. Proceedings of the Seventh Int. Conf. Information Processing and Managementof Uncertainty in Knowlegde–Based Systems (IPMU), 1998.
A Hierarchical Approach for the Combination of Information Retrieval and Extraction
H. Zaragoza and P. Gallinari. 10th European Conf. on Machine Learning, (ECML) – Text Mining Workshop, 1998.
Modele Hiérarchique de Recherche et d’Extraction de l’Information Textuellede Surface
H. Zaragoza and P. Gallinari. Journées Francophones de l’Apprentissage (JFA), 1998.
Coupled Hierarchical IR and Stochastic Models for Surface InformationExtraction
H. Zaragoza and P. Gallinari. The 20th Annual Colloquium on IR Research, British Computer Society’s InformationRetrieval Specialist Group (IRSG), 1998.