Valentin Jijkoun


2003

pdf dblp
The University of Amsterdam at the TREC 2003 Question Answering Track
Valentin Jijkoun | Gilad Mishne | Christof Monz | Maarten de Rijke | Stefan Schlobach | Oren Tsur
Proceedings of The Twelfth Text REtrieval Conference, TREC 2003, Gaithersburg, Maryland, USA, November 18-21, 2003

pdf dblp
The University of Amsterdam at QA@CLEF2003
Valentin Jijkoun | Gilad Mishne | Maarten de Rijke
Working Notes for CLEF 2003 Workshop co-located with the 7th European Conference on Digital Libraries (ECDL 2003), Trondheim, Norway, August 21-22, 2003

doi dblp
How Frogs Built the Berlin Wall: A Detailed Error Analysis of a Question Answering System for Dutch
Valentin Jijkoun | Gilad Mishne | Maarten de Rijke
Comparative Evaluation of Multilingual Information Access Systems, 4th Workshop of the Cross-Language Evaluation Forum, CLEF 2003, Trondheim, Norway, August 21-22, 2003, Revised Selected Papers

2004

doi dblp
Answer Selection in a Multi-stream Open Domain Question Answering System
Valentin Jijkoun | Maarten de Rijke
Advances in Information Retrieval, 26th European Conference on IR Research, ECIR 2004, Sunderland, UK, April 5-7, 2004, Proceedings

pdf dblp
Using Wikipedia at the TREC QA Track
David Ahn | Valentin Jijkoun | Gilad Mishne | Karin Müller | Maarten de Rijke | Stefan Schlobach
Proceedings of the Thirteenth Text REtrieval Conference, TREC 2004, Gaithersburg, Maryland, USA, November 16-19, 2004

pdf dblp
The University of Amsterdam at QA@CLEF 2004
Valentin Jijkoun | Gilad Mishne | Maarten de Rijke | Stefan Schlobach | David Ahn | Karin Müller
Working Notes for CLEF 2004 Workshop co-located with the 8th European Conference on Digital Libraries (ECDL 2004), Bath, UK, September 15-17, 2004

doi dblp
Making Stone Soup: Evaluating a Recall-Oriented Multi-stream Question Answering System for Dutch
David Ahn | Valentin Jijkoun | Karin Müller | Maarten de Rijke | Stefan Schlobach | Gilad Mishne
Multilingual Information Access for Text, Speech and Images, 5th Workshop of the Cross-Language Evaluation Forum, CLEF 2004, Bath, UK, September 15-17, 2004, Revised Selected Papers

2005

pdf dblp
Towards a Multi-Stream Question Answering-As-XML-Retrieval Strategy
David Ahn | Sisay Fissaha Adafre | Valentin Jijkoun | Karin Müller | Maarten de Rijke | Erik F. Tjong Kim Sang
Proceedings of the Fourteenth Text REtrieval Conference, TREC 2005, Gaithersburg, Maryland, USA, November 15-18, 2005

doi dblp
Retrieving answers from frequently asked questions pages on the web
Valentin Jijkoun | Maarten de Rijke
Proceedings of the 2005 ACM CIKM International Conference on Information and Knowledge Management, Bremen, Germany, October 31 - November 5, 2005

pdf dblp
The University of Amsterdam at QA@CLEF 2005
David Ahn | Valentin Jijkoun | Karin Müller | Maarten de Rijke | Erik F. Tjong Kim Sang
Working Notes for CLEF 2005 Workshop co-located with the 9th European Conference on Digital Libraries (ECDL 2005), Wien, Austria, September 21-22, 2005

doi dblp
Towards an Offline XML-Based Strategy for Answering Questions
David Ahn | Valentin Jijkoun | Karin Müller | Maarten de Rijke | Erik F. Tjong Kim Sang
Accessing Multilingual Information Repositories, 6th Workshop of the Cross-Language Evalution Forum, CLEF 2005, Vienna, Austria, 21-23 September, 2005, Revised Selected Papers

2006

doi dblp
Overview of the CLEF 2006 Multilingual Question Answering Track
Bernardo Magnini | Danilo Giampiccolo | Pamela Forner | Christelle Ayache | Valentin Jijkoun | Petya Osenova | Anselmo Peñas | Paulo Rocha | Bogdan Sacaleanu | Richard F. E. Sutcliffe
Evaluation of Multilingual and Multi-modal Information Retrieval, 7th Workshop of the Cross-Language Evaluation Forum, CLEF 2006, Alicante, Spain, September 20-22, 2006, Revised Selected Papers

doi dblp
Overview of the WiQA Task at CLEF 2006
Valentin Jijkoun | Maarten de Rijke
Evaluation of Multilingual and Multi-modal Information Retrieval, 7th Workshop of the Cross-Language Evaluation Forum, CLEF 2006, Alicante, Spain, September 20-22, 2006, Revised Selected Papers

doi dblp
Quartz: A Question Answering System for Dutch
David Ahn | Valentin Jijkoun | Joris van Rantwijk | Maarten de Rijke | Erik F. Tjong Kim Sang
Evaluation of Multilingual and Multi-modal Information Retrieval, 7th Workshop of the Cross-Language Evaluation Forum, CLEF 2006, Alicante, Spain, September 20-22, 2006, Revised Selected Papers

doi dblp
Link-Based vs. Content-Based Retrieval for Question Answering Using Wikipedia
Sisay Fissaha Adafre | Valentin Jijkoun | Maarten de Rijke
Evaluation of Multilingual and Multi-modal Information Retrieval, 7th Workshop of the Cross-Language Evaluation Forum, CLEF 2006, Alicante, Spain, September 20-22, 2006, Revised Selected Papers

pdf dblp
Overview of WiQA 2006
Valentin Jijkoun | Maarten de Rijke
Working Notes for CLEF 2006 Workshop co-located with the 10th European Conference on Digital Libraries (ECDL 2006), Alicante, Spain, September 20-22, 2006

pdf dblp
Overview of the CLEF 2006 Multilingual Question Answering Track
Bernardo Magnini | Danilo Giampiccolo | Pamela Forner | Christelle Ayache | Petya Osenova | Anselmo Peñas | Valentin Jijkoun | Bogdan Sacaleanu | Paulo Rocha | Richard F. E. Sutcliffe
Working Notes for CLEF 2006 Workshop co-located with the 10th European Conference on Digital Libraries (ECDL 2006), Alicante, Spain, September 20-22, 2006

dblp
The University of Amsterdam at CLEF@QA 2006
Valentin Jijkoun | Joris van Rantwijk | David Ahn | Erik F. Tjong Kim Sang | Maarten de Rijke
Working Notes for CLEF 2006 Workshop co-located with the 10th European Conference on Digital Libraries (ECDL 2006), Alicante, Spain, September 20-22, 2006

pdf dblp
The University of Amsterdam at WiQA 2006
Sisay Fissaha Adafre | Valentin Jijkoun | Maarten de Rijke
Working Notes for CLEF 2006 Workshop co-located with the 10th European Conference on Digital Libraries (ECDL 2006), Alicante, Spain, September 20-22, 2006

2007

pdf dblp
The University of Amsterdam at the TREC 2007 QA Track
Katja Hofmann | Valentin Jijkoun | Mahboob Alam Khalid | Joris van Rantwijk | Erik F. Tjong Kim Sang
Proceedings of The Sixteenth Text REtrieval Conference, TREC 2007, Gaithersburg, Maryland, USA, November 5-9, 2007

doi dblp
"More like these": growing entity classes from seeds
Luís Sarmento | Valentin Jijkoun | Maarten de Rijke | Eugénio C. Oliveira
Proceedings of the Sixteenth ACM Conference on Information and Knowledge Management, CIKM 2007, Lisbon, Portugal, November 6-10, 2007

doi dblp
Electoral search using the VerkiezingsKijker: an experience report
Valentin Jijkoun | Maarten Marx | Maarten de Rijke | Frank van Waveren
Proceedings of the 16th International Conference on World Wide Web, WWW 2007, Banff, Alberta, Canada, May 8-12, 2007

pdf dblp
WiQA: Evaluating Multi-lingual Focused Access to Wikipedia
Valentin Jijkoun | Maarten de Rijke
Proceedings of the 1st International Workshop on Evaluating Information Access, EVIA 2007, National Center of Sciences, Tokyo, Japan, May 15, 2008

pdf dblp
Overview of WebCLEF 2007
Valentin Jijkoun | Maarten de Rijke
Working Notes for CLEF 2007 Workshop co-located with the 11th European Conference on Digital Libraries (ECDL 2007), Budapest, Hungary, September 19-21, 2007

pdf dblp
Overview of the CLEF 2007 Multilingual Question Answering Track
Danilo Giampiccolo | Pamela Forner | Anselmo Peñas | Christelle Ayache | Dan Cristea | Valentin Jijkoun | Petya Osenova | Paulo Rocha | Bogdan Sacaleanu | Richard F. E. Sutcliffe
Working Notes for CLEF 2007 Workshop co-located with the 11th European Conference on Digital Libraries (ECDL 2007), Budapest, Hungary, September 19-21, 2007

pdf dblp
The University of Amsterdam at CLEF@QA 2007
Valentin Jijkoun | Katja Hofmann | David Ahn | Mahboob Alam Khalid | Joris van Rantwijk | Maarten de Rijke | Erik F. Tjong Kim Sang
Working Notes for CLEF 2007 Workshop co-located with the 11th European Conference on Digital Libraries (ECDL 2007), Budapest, Hungary, September 19-21, 2007

pdf dblp
The University of Amsterdam at WebCLEF 2007: Using Centrality to Rank Web Snippets
Valentin Jijkoun | Maarten de Rijke
Working Notes for CLEF 2007 Workshop co-located with the 11th European Conference on Digital Libraries (ECDL 2007), Budapest, Hungary, September 19-21, 2007

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

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

doi dblp
Overview of WebCLEF 2007
Valentin Jijkoun | Maarten de Rijke
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

doi dblp
Using Centrality to Rank Web Snippets
Valentin Jijkoun | Maarten de Rijke
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

2008

doi dblp
The Impact of Named Entity Normalization on Information Retrieval for Question Answering
Mahboob Alam Khalid | Valentin Jijkoun | Maarten de Rijke
Advances in Information Retrieval , 30th European Conference on IR Research, ECIR 2008, Glasgow, UK, March 30-April 3, 2008. Proceedings

doi dblp
Named entity normalization in user generated content
Valentin Jijkoun | Mahboob Alam Khalid | Maarten Marx | Maarten de Rijke
Proceedings of the Second Workshop on Analytics for Noisy Unstructured Text Data, AND 2008, Singapore, July 24, 2008

doi dblp
Overview of WebCLEF 2008
Valentin Jijkoun | Maarten de Rijke
Evaluating Systems for Multilingual and Multimodal Information Access, 9th Workshop of the Cross-Language Evaluation Forum, CLEF 2008, Aarhus, Denmark, September 17-19, 2008, Revised Selected Papers

pdf dblp
Overview of WebCLEF 2008 (Draft)
Valentin Jijkoun | Maarten de Rijke
Working Notes for CLEF 2008 Workshop co-located with the 12th European Conference on Digital Libraries (ECDL 2008) , Aarhus, Denmark, September 17-19, 2008

doi dblp
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

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

2011

doi dblp
Bootstrapping subjectivity detection
Valentin Jijkoun | Maarten de Rijke
Proceeding of the 34th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2011, Beijing, China, July 25-29, 2011

doi dblp
DIR 2011: the eleventh Dutch-Belgian information retrieval workshop
Corrado Boscarino | Katja Hofmann | Valentin Jijkoun | Edgar Meij | Maarten de Rijke | Wouter Weerkamp
2011 Volume 45 Issue 1