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1	de Rijke. Overview of WebCLEF 2006
	Krisztian Balog; Leif Azzopardi; Jaap Kamps...
	In: http://staff.science.uva.nl/~kamps/publications/2006/balo:over06.pdf (2006)
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2	de Rijke. Overview of WebCLEF 2006
	Krisztian Balog; Leif Azzopardi; Jaap Kamps...
	In: http://ceur-ws.org/Vol-1172/CLEF2006wn-WebCLEF-BalogEt2006a.pdf (2006)
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3	Overview of the CLEF 2005 Multilingual Question Answering Track
	Ro Vallin; Bernardo Magnini; Danilo Giampiccolo...
	In: http://www.clef-campaign.org/2005/working_notes/workingnotes2005/vallin05.pdf (2005)
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4	Overview of the CLEF 2005 Multilingual Question Answering Track
	Ro Vallin; Bernardo Magnini; Danilo Giampiccolo; Lili Aunimo; Christelle Ayache; Petya Osenova; Anselmo Peas; Maarten De Rijke; Bogdan Sacaleanu; Diana Santos; Richard Sutcliffe
	In: http://www.science.uva.nl/~mdr/Publications/Files/clef-2005-qa-overview-wn.pdf (2005)
	Abstract: The general aim of the third CLEF Multilingual Question Answering Track was to set up a common and replicable evaluation framework to test both monolingual and cross-language Question Answering (QA) systems that process queries and documents in several European languages. Nine target languages and ten source languages were exploited to enact 8 monolingual and 73 cross-language tasks. Twenty-four groups participated in the exercise.Overall results showed a general increase in performance in comparison to last year. The best performing monolingual system irrespective of target language answered 64.5 % of the questions correctly (in the monolingual Portuguese task), while the average of the best performances for each target language was 42.6%. The cross-language step instead entailed a considerable drop in performance. In addition to accuracy, the organisers also measured the relation between the correctness of an answer and a system’s stated confidence in it, showing that the best systems did not always provide the most reliable confidence score.
	Keyword: Categories and Subject Descriptors H.3 [Information Storage and Retrieval; Experimentation Keywords Question answering; H.3.1 Content Analysis and Indexing; H.3.3 Information Search and Retrieval; H.3.4 Systems and Software; I.2 [Artificial Intelligence; I.2.7 Natural Language Processing General Terms Measurement; Performance
	URL: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.77.2950 http://www.science.uva.nl/~mdr/Publications/Files/clef-2005-qa-overview-wn.pdf
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5	Miscellaneous
	Luis Sarmento; Maarten De Rijke
	In: http://www.science.uva.nl/~mdr/Publications/Files/cikm2007.pdf
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6	Broad Expertise Retrieval in Sparse Data Environments ABSTRACT
	Krisztian Balog; Maarten De Rijke
	In: http://eprints.gla.ac.uk/3861/01/balog3861.pdf
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7	Broad Expertise Retrieval in Sparse Data Environments ABSTRACT
	Krisztian Balog; Maarten De Rijke
	In: http://www.science.uva.nl/~mdr/Publications/Files/sigir2007-experts.pdf
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8	General
	Börkur Sigurbjörnsson; Jaap Kamps; Maarten De Rijke
	In: http://www.science.uva.nl/~mdr/Publications/Files/clef-2005-eurogov-wn.pdf
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9	General Terms
	Börkur Sigurbjörnsson; Jaap Kamps; Maarten De Rijke
	In: http://staff.science.uva.nl/~kamps/publications/2005/sigu:euro05.pdf
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10	General
	Valentin Jijkoun; Maarten De Rijke
	In: http://staff.science.uva.nl/~mdr/Publications/Files/clef2008-wn-webclef-overview.pdf
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11	Bootstrapping Subjectivity Detection
	Valentin Jijkoun; Maarten De Rijke
	In: http://ilps.science.uva.nl/sites/ilps.science.uva.nl/files/sigirpp0095-jijkoun.pdf
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