Valentin Jijkoun

According to our database, Valentin Jijkoun authored at least 51 papers between 2003 and 2018.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2018

Lessons Learned from Developing and Deploying a Large-Scale Employer Name Normalization System for Online Recruitment.

Qiaoling Liu, Josh Chao, Thomas Mahoney, Alan Chern, Chris Min, Faizan Javed, Valentin Jijkoun

Proceedings of the 24th ACM SIGKDD International Conference on Knowledge Discovery & Data Mining, 2018

2017

Employer Industry Classification Using Job Postings.

Mahak Goindani, Qiaoling Liu, Josh Chao, Valentin Jijkoun

Proceedings of the 2017 IEEE International Conference on Data Mining Workshops, 2017

2013

Generating, Refining and Using Sentiment Lexicons.

Maarten de Rijke, Valentin Jijkoun, Fons Laan, Wouter Weerkamp, Paul Ackermans, Gijs Geleijnse

Proceedings of the Essential Speech and Language Technology for Dutch, 2013

2011

DIR 2011: the eleventh Dutch-Belgian information retrieval workshop.

Corrado Boscarino, Katja Hofmann, Valentin Jijkoun, Edgar Meij, Maarten de Rijke, Wouter Weerkamp

SIGIR Forum, 2011

Bootstrapping subjectivity detection.

Valentin Jijkoun, Maarten de Rijke

Proceedings of the Proceeding of the 34th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2011

2010

Generating Focused Topic-Specific Sentiment Lexicons.

Valentin Jijkoun, Maarten de Rijke, Wouter Weerkamp

Proceedings of the ACL 2010, 2010

2009

Generating a Non-English Subjectivity Lexicon: Relations That Matter.

Valentin Jijkoun, Katja Hofmann

Proceedings of the EACL 2009, 12th Conference of the European Chapter of the Association for Computational Linguistics, Proceedings of the Conference, Athens, Greece, March 30, 2009

2008

The University of Amsterdam at TAC 2008 Question Answering Track.

Valentin Jijkoun, Maarten de Rijke

Proceedings of the First Text Analysis Conference, 2008

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, 2008

The Impact of Named Entity Normalization on Information Retrieval for Question Answering.

Mahboob Alam Khalid, Valentin Jijkoun, Maarten de Rijke

Proceedings of the Advances in Information Retrieval , 2008

Overview of WebCLEF 2008 (Draft).

Valentin Jijkoun, Maarten de Rijke

Proceedings of the Working Notes for CLEF 2008 Workshop co-located with the 12th European Conference on Digital Libraries (ECDL 2008) , 2008

Overview of WebCLEF 2008.

Valentin Jijkoun, Maarten de Rijke

Proceedings of the Evaluating Systems for Multilingual and Multimodal Information Access, 2008

2007

Data-driven type checking in open domain question answering.

Stefan Schlobach, David Ahn, Maarten de Rijke, Valentin Jijkoun

J. Appl. Log., 2007

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, 2007

Fact Discovery in Wikipedia.

Sisay Fissaha Adafre, Valentin Jijkoun, Maarten de Rijke

Proceedings of the 2007 IEEE / WIC / ACM International Conference on Web Intelligence, 2007

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, 2007

WiQA: Evaluating Multi-lingual Focused Access to Wikipedia.

Valentin Jijkoun, Maarten de Rijke

Proceedings of the 1st International Workshop on Evaluating Information Access, 2007

Machine Learning for Question Answering from Tabular Data.

Mahboob Alam Khalid, Valentin Jijkoun, Maarten de Rijke

Proceedings of the 18th International Workshop on Database and Expert Systems Applications (DEXA 2007), 2007

The University of Amsterdam at WebCLEF 2007: Using Centrality to Rank Web Snippets.

Valentin Jijkoun, Maarten de Rijke

Proceedings of the Working Notes for CLEF 2007 Workshop co-located with the 11th European Conference on Digital Libraries (ECDL 2007), 2007

Overview of WebCLEF 2007.

Valentin Jijkoun, Maarten de Rijke

Proceedings of the Working Notes for CLEF 2007 Workshop co-located with the 11th European Conference on Digital Libraries (ECDL 2007), 2007

Using Centrality to Rank Web Snippets.

Valentin Jijkoun, Maarten de Rijke

Proceedings of the Advances in Multilingual and Multimodal Information Retrieval, 2007

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

Proceedings of the Working Notes for CLEF 2007 Workshop co-located with the 11th European Conference on Digital Libraries (ECDL 2007), 2007

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

Proceedings of the Advances in Multilingual and Multimodal Information Retrieval, 2007

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

Proceedings of the Working Notes for CLEF 2007 Workshop co-located with the 11th European Conference on Digital Libraries (ECDL 2007), 2007

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

Proceedings of the Advances in Multilingual and Multimodal Information Retrieval, 2007

"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, 2007

2006

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

Proceedings of the Evaluation of Multilingual and Multi-modal Information Retrieval, 2006

The University of Amsterdam at CLEF@QA 2006.

Valentin Jijkoun, Joris van Rantwijk, David Ahn, Erik F. Tjong Kim Sang, Maarten de Rijke

Proceedings of the Working Notes for CLEF 2006 Workshop co-located with the 10th European Conference on Digital Libraries (ECDL 2006), 2006

Overview of WiQA 2006.

Valentin Jijkoun, Maarten de Rijke

Proceedings of the Working Notes for CLEF 2006 Workshop co-located with the 10th European Conference on Digital Libraries (ECDL 2006), 2006

Overview of the WiQA Task at CLEF 2006.

Valentin Jijkoun, Maarten de Rijke

Proceedings of the Evaluation of Multilingual and Multi-modal Information Retrieval, 2006

Quartz: A Question Answering System for Dutch.

David Ahn, Valentin Jijkoun, Joris van Rantwijk, Maarten de Rijke, Erik F. Tjong Kim Sang

Proceedings of the Evaluation of Multilingual and Multi-modal Information Retrieval, 2006

The University of Amsterdam at WiQA 2006.

Sisay Fissaha Adafre, Valentin Jijkoun, Maarten de Rijke

Proceedings of the Working Notes for CLEF 2006 Workshop co-located with the 10th European Conference on Digital Libraries (ECDL 2006), 2006

Link-Based vs. Content-Based Retrieval for Question Answering Using Wikipedia.

Sisay Fissaha Adafre, Valentin Jijkoun, Maarten de Rijke

Proceedings of the Evaluation of Multilingual and Multi-modal Information Retrieval, 2006

Representing and Querying Multi-dimensional Markup for Question Answering.

Wouter Alink, Valentin Jijkoun, David Ahn, Maarten de Rijke, Peter A. Boncz, Arjen P. de Vries

Proceedings of the 5th Workshop on NLP and XML: Multi-Dimensional Markup in Natural Language Processing, 2006

2005

Using a Reference Corpus as a User Model for Focused Information Retrieval.

Gilad Mishne, Maarten de Rijke, Valentin Jijkoun

J. Digit. Inf. Manag., 2005

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, 2005

Recognizing Textual Entailment: Is Word Similarity Enough?.

Valentin Jijkoun, Maarten de Rijke

Proceedings of the Machine Learning Challenges, 2005

The University of Amsterdam at QA@CLEF 2005.

David Ahn, Valentin Jijkoun, Karin Müller, Maarten de Rijke, Erik F. Tjong Kim Sang

Proceedings of the Working Notes for CLEF 2005 Workshop co-located with the 9th European Conference on Digital Libraries (ECDL 2005), 2005

Towards an Offline XML-Based Strategy for Answering Questions.

David Ahn, Valentin Jijkoun, Karin Müller, Maarten de Rijke, Erik F. Tjong Kim Sang

Proceedings of the Accessing Multilingual Information Repositories, 2005

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, 2005

2004

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, 2004

The University of Amsterdam at Senseval-3: Semantic roles and Logic forms.

David Ahn, Sisay Fissaha, Valentin Jijkoun, Maarten de Rijke

Proceedings of the Third International Workshop on the Evaluation of Systems for the Semantic Analysis of Text, 2004

Answer Selection in a Multi-stream Open Domain Question Answering System.

Valentin Jijkoun, Maarten de Rijke

Proceedings of the Advances in Information Retrieval, 2004

Information Extraction for Question Answering: Improving Recall Through Syntactic Patterns.

Valentin Jijkoun, Jori Mur, Maarten de Rijke

Proceedings of the COLING 2004, 2004

The University of Amsterdam at QA@CLEF 2004.

Valentin Jijkoun, Gilad Mishne, Maarten de Rijke, Stefan Schlobach, David Ahn, Karin Müller

Proceedings of the Working Notes for CLEF 2004 Workshop co-located with the 8th European Conference on Digital Libraries (ECDL 2004), 2004

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

Proceedings of the Multilingual Information Access for Text, 2004

Enriching the Output of a Parser Using Memory-based Learning.

Valentin Jijkoun, Maarten de Rijke

Proceedings of the 42nd Annual Meeting of the Association for Computational Linguistics, 2004

2003

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, 2003

The University of Amsterdam at QA@CLEF2003.

Valentin Jijkoun, Gilad Mishne, Maarten de Rijke

Proceedings of the Working Notes for CLEF 2003 Workshop co-located with the 7th European Conference on Digital Libraries (ECDL 2003), 2003

How Frogs Built the Berlin Wall: A Detailed Error Analysis of a Question Answering System for Dutch.

Valentin Jijkoun, Gilad Mishne, Maarten de Rijke

Proceedings of the Comparative Evaluation of Multilingual Information Access Systems, 2003

Finding Non-local Dependencies: Beyond Pattern Matching.

Valentin Jijkoun

Proceedings of the ACL 2003, 2003