Valentin Jijkoun

Corrado Boscarino, Katja Hofmann, Valentin Jijkoun, Edgar Meij, Maarten de Rijke, Wouter Weerkamp: DIR 2011: the eleventh Dutch-Belgian information retrieval workshop. SIGIR Forum 45(1): 42-44 (2011)

Valentin Jijkoun, Maarten de Rijke: Bootstrapping subjectivity detection. SIGIR 2011: 1125-1126

Valentin Jijkoun, Maarten de Rijke, Wouter Weerkamp: Generating Focused Topic-Specific Sentiment Lexicons. ACL 2010: 585-594

Valentin Jijkoun, Katja Hofmann: Generating a Non-English Subjectivity Lexicon: Relations That Matter. EACL 2009: 398-405

Valentin Jijkoun, Maarten de Rijke: Overview of WebCLEF 2008. CLEF 2008: 787-793

Mahboob Alam Khalid, Valentin Jijkoun, Maarten de Rijke: The Impact of Named Entity Normalization on Information Retrieval for Question Answering. ECIR 2008: 705-710

Valentin Jijkoun, Mahboob Alam Khalid, Maarten Marx, Maarten de Rijke: Named entity normalization in user generated content. AND 2008: 23-30

Carol Peters, Valentin Jijkoun, Thomas Mandl, Henning Müller, Douglas W. Oard, Anselmo Peñas, Vivien Petras, Diana Santos (Eds.): Advances in Multilingual and Multimodal Information Retrieval, 8th Workshop of the Cross-Language Evaluation Forum, CLEF 2007, Budapest, Hungary, September 19-21, 2007, Revised Selected Papers. Lecture Notes in Computer Science 5152, Springer 2008, isbn 978-3-540-85759-4

Stefan Schlobach, David Ahn, Maarten de Rijke, Valentin Jijkoun: Data-driven type checking in open domain question answering. J. Applied Logic 5(1): 121-143 (2007)

Luís Sarmento, Valentin Jijkoun, Maarten de Rijke, Eugenio Oliveira: "More like these": growing entity classes from seeds. CIKM 2007: 959-962

Danilo Giampiccolo, Pamela Forner, Jesús Herrera, Anselmo Peñas, Christelle Ayache, Corina Forascu, Valentin Jijkoun, Petya Osenova, Paulo Rocha, Bogdan Sacaleanu, Richard F. E. Sutcliffe: Overview of the CLEF 2007 Multilingual Question Answering Track. CLEF 2007: 200-236

Valentin Jijkoun, Katja Hofmann, David Ahn, Mahboob Alam Khalid, Joris van Rantwijk, Maarten de Rijke, Erik F. Tjong Kim Sang: The University of Amsterdam's Question Answering System at QA@CLEF 2007. CLEF 2007: 344-351

Valentin Jijkoun, Maarten de Rijke: Overview of WebCLEF 2007. CLEF 2007: 725-731

Valentin Jijkoun, Maarten de Rijke: Using Centrality to Rank Web Snippets. CLEF 2007: 737-741

Mahboob Alam Khalid, Valentin Jijkoun, Maarten de Rijke: Machine Learning for Question Answering from Tabular Data. DEXA Workshops 2007: 392-396

Katja Hofmann, Valentin Jijkoun, Mahboob Alam Khalid, Joris van Rantwijk, Erik F. Tjong Kim Sang: The University of Amsterdam at the TREC 2007 QA Track. TREC 2007

Sisay Fissaha Adafre, Valentin Jijkoun, Maarten de Rijke: Fact Discovery in Wikipedia. Web Intelligence 2007: 177-183

Valentin Jijkoun, Maarten Marx, Maarten de Rijke, Frank van Waveren: Electoral search using the VerkiezingsKijker: an experience report. WWW 2007: 1155-1156

Bernardo Magnini, Danilo Giampiccolo, Pamela Forner, Christelle Ayache, Valentin Jijkoun, Petya Osenova, Anselmo Peñas, Paulo Rocha, Bogdan Sacaleanu, Richard F. E. Sutcliffe: Overview of the CLEF 2006 Multilingual Question Answering Track. CLEF 2006: 223-256

Valentin Jijkoun, Maarten de Rijke: Overview of the WiQA Task at CLEF 2006. CLEF 2006: 265-274

David Ahn, Valentin Jijkoun, Joris van Rantwijk, Maarten de Rijke, Erik F. Tjong Kim Sang: Quartz: A Question Answering System for Dutch. CLEF 2006: 362-371

Sisay Fissaha Adafre, Valentin Jijkoun, Maarten de Rijke: Link-Based vs. Content-Based Retrieval for Question Answering Using Wikipedia. CLEF 2006: 537-540

Gilad Mishne, Maarten de Rijke, Valentin Jijkoun: Using a Reference Corpus as a User Model for Focused Information Retrieval. JDIM 3(1): 47-52 (2005)

Valentin Jijkoun, Maarten de Rijke: Retrieving answers from frequently asked questions pages on the web. CIKM 2005: 76-83

David Ahn, Valentin Jijkoun, Karin Müller, Maarten de Rijke, Erik F. Tjong Kim Sang: Towards an Offline XML-Based Strategy for Answering Questions. CLEF 2005: 449-456

Valentin Jijkoun, Maarten de Rijke: Recognizing Textual Entailment: Is Word Similarity Enough?. MLCW 2005: 449-460

David Ahn, Sisay Fissaha Adafre, Valentin Jijkoun, Karin Müller, Maarten de Rijke, Erik F. Tjong Kim Sang: Towards a Multi-Stream Question Answering-As-XML-Retrieval Strategy. TREC 2005

Valentin Jijkoun, Maarten de Rijke: Enriching the Output of a Parser Using Memory-based Learning. ACL 2004: 311-318

David Ahn, Valentin Jijkoun, Karin Müller, Maarten de Rijke, Stefan Schlobach, Gilad Mishne: Making Stone Soup: Evaluating a Recall-Oriented Multi-stream Question Answering System for Dutch. CLEF 2004: 423-434

Valentin Jijkoun, Jori Mur, Maarten de Rijke: Information Extraction for Question Answering: Improving Recall Through Syntactic Patterns. COLING 2004

Valentin Jijkoun, Maarten de Rijke: Answer Selection in a Multi-stream Open Domain Question Answering System. ECIR 2004: 99-111

David Ahn, Valentin Jijkoun, Gilad Mishne, Karin Müller, Maarten de Rijke, Stefan Schlobach: Using Wikipedia at the TREC QA Track. TREC 2004

Valentin Jijkoun: Finding Non-local Dependencies: Beyond Pattern Matching. ACL (Companion) 2003: 37-43

Valentin Jijkoun, Gilad Mishne, Maarten de Rijke: How Frogs Built the Berlin Wall: A Detailed Error Analysis of a Question Answering System for Dutch. CLEF 2003: 523-534

Valentin Jijkoun, Gilad Mishne, Christof Monz, Maarten de Rijke, Stefan Schlobach, Oren Tsur: The University of Amsterdam at the TREC 2003 Question Answering Track. TREC 2003: 586-593