2010

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The value of visual elements in web search
Marilyn Ostergren | Seung-yon Yu | Efthimis N. Efthimiadis
Proceeding of the 33rd International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2010, Geneva, Switzerland, July 19-23, 2010

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Proceeding of the 33rd International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2010, Geneva, Switzerland, July 19-23, 2010

Proceeding of the 33rd International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2010, Geneva, Switzerland, July 19-23, 2010

doi dblp
Interpreting User Inactivity on Search Results
Sofia Stamou | Efthimis N. Efthimiadis
Advances in Information Retrieval, 32nd European Conference on IR Research, ECIR 2010, Milton Keynes, UK, March 28-31, 2010. Proceedings

2009

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Non-english web search: an evaluation of indexing and searching the Greek web
Efthimis N. Efthimiadis | Nicos Malevris | Apostolos Kousaridas | Alexandra Lepeniotou | Nikos Loutas
2009 Volume 12 Issue 3

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Current research issues and trends in non-English Web searching
Fotis Lazarinis | Jesús Vilares | John Tait | Efthimis N. Efthimiadis
2009 Volume 12 Issue 3

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Introduction to the special issue on non-english web retrieval
Fotis Lazarinis | Jesús Vilares | John Tait | Efthimis N. Efthimiadis
2009 Volume 12 Issue 3

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Teaching and learning in information retrieval
Juan M. Fernández-Luna | Juan F. Huete | Andrew MacFarlane | Efthimis N. Efthimiadis
2009 Volume 12 Issue 2

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Analyzing and evaluating query reformulation strategies in web search logs
Jeff Huang | Efthimis N. Efthimiadis
Proceedings of the 18th ACM Conference on Information and Knowledge Management, CIKM 2009, Hong Kong, China, November 2-6, 2009

2008

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Measuring search engine quality in image queries in 10 non-English languages: an exploratory study
Fotis Lazarinis | Efthimis N. Efthimiadis
Proceeding of the 2nd ACM workshop on Improving Non English Web Searching, iNEWS 2008, Napa Valley, California, USA, October 30, 2008

doi dblp
How do Greeks search the web?: a query log analysis study
Efthimis N. Efthimiadis
Proceeding of the 2nd ACM workshop on Improving Non English Web Searching, iNEWS 2008, Napa Valley, California, USA, October 30, 2008

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Proceeding of the 2nd ACM workshop on Improving Non English Web Searching, iNEWS 2008, Napa Valley, California, USA, October 30, 2008

Proceeding of the 2nd ACM workshop on Improving Non English Web Searching, iNEWS 2008, Napa Valley, California, USA, October 30, 2008

2007

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University of Washington (UW) at Legal TREC Interactive 2007
Efthimis N. Efthimiadis | Mary A. Hotchkiss
Proceedings of The Sixteenth Text REtrieval Conference, TREC 2007, Gaithersburg, Maryland, USA, November 5-9, 2007

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IR-Toolbox: an experiential learning tool for teaching IR
Efthimis N. Efthimiadis | Nathan G. Freier
SIGIR 2007: Proceedings of the 30th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Amsterdam, The Netherlands, July 23-27, 2007

2006

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The University of Washington's UWclmaQA System
Dan Jinguji | William D. Lewis | Efthimis N. Efthimiadis | Joshua Minor | Albert Bertram | Shauna Eggers | Joshua Johanson | Brian Nisonger | Ping Yu | Zhengbo Zhou
Proceedings of the Fifteenth Text REtrieval Conference, TREC 2006, Gaithersburg, Maryland, USA, November 14-17, 2006

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SIGIR 2006: Proceedings of the 29th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Seattle, Washington, USA, August 6-11, 2006

SIGIR 2006: Proceedings of the 29th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Seattle, Washington, USA, August 6-11, 2006

2005

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Search engines and how students think they work
Efthimis N. Efthimiadis | David G. Hendry
SIGIR 2005: Proceedings of the 28th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Salvador, Brazil, August 15-19, 2005

2000

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Interactive query expansion: A user-based evaluation in a relevance feedback environment
Efthimis N. Efthimiadis
2000 Volume 51 Issue 11

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The effect of query type on subject searching behavior of image databases: an exploratory study
Efthimis N. Efthimiadis | Raya Fidel
SIGIR 2000: Proceedings of the 23rd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, July 24-28, 2000, Athens, Greece

1999

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Web Searching Behavior of Aerospace Engineers (poster abstract)
Raya Fidel | Efthimis N. Efthimiadis
SIGIR '99: Proceedings of the 22nd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, August 15-19, 1999, Berkeley, CA, USA

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Applying User Research Directly to Information System Design (panel session)
Marcia J. Bates | Raya Fidel | Efthimis N. Efthimiadis | Annelise Mark Pejtersen
SIGIR '99: Proceedings of the 22nd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, August 15-19, 1999, Berkeley, CA, USA

1995

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User Choices: A new Yardstick for the Evaluation of Ranking Algorithms for Interactive Query Expansion
Efthimis N. Efthimiadis
1995 Volume 31 Issue 4

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Terminological Knowledge Structure for Intermediary Expert Systems
Raya Fidel | Efthimis N. Efthimiadis
1995 Volume 31 Issue 1

1993

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UCLA-Okapi at TREC-2: Query Expansion Experiments
Efthimis N. Efthimiadis | Paul V. Biron
Proceedings of The Second Text REtrieval Conference, TREC 1993, Gaithersburg, Maryland, USA, August 31 - September 2, 1993

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A User-Centered Evaluation of Ranking Algorithims for Interactive Query Expansion
Efthimis N. Efthimiadis
Proceedings of the 16th Annual International ACM-SIGIR Conference on Research and Development in Information Retrieval. Pittsburgh, PA, USA, June 27 - July 1, 1993

1990

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The growth of the OPAC literature
Efthimis N. Efthimiadis
1990 Volume 41 Issue 5

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