The growth of the OPAC literature. - Efthimis N. Efthimiadis (J. Am. Soc. Inf. Sci., 1990)

Online Searching aids: a Review of front ends, Gateways and other Interfaces. - Efthimis N. Efthimiadis (J. Documentation, 1990)

Online public access catalogues: characteristics of the literature. - Efthimis N. Efthimiadis (J. Inf. Sci., 1990)

A User-Centered Evaluation of Ranking Algorithims for Interactive Query Expansion. - Efthimis N. Efthimiadis (SIGIR, 1993)

UCLA-Okapi at TREC-2: Query Expansion Experiments. - Efthimis N. Efthimiadis; Paul V. Biron (TREC, 1993)

User Choices: A new Yardstick for the Evaluation of Ranking Algorithms for Interactive Query Expansion. - Efthimis N. Efthimiadis (Inf. Process. Manag., 1995)

Terminological Knowledge Structure for Intermediary Expert Systems. - Raya Fidel; Efthimis N. Efthimiadis (Inf. Process. Manag., 1995)

Applying User Research Directly to Information System Design (panel session). - Marcia J. Bates; Raya Fidel; Efthimis N. Efthimiadis; Annelise Mark Pejtersen (SIGIR, 1999)

Web Searching Behavior of Aerospace Engineers (poster abstract). - Raya Fidel; Efthimis N. Efthimiadis (SIGIR, 1999)

The effect of query type on subject searching behavior of image databases: an exploratory study. - Efthimis N. Efthimiadis; Raya Fidel (SIGIR, 2000)

Interactive query expansion: A user-based evaluation in a relevance feedback environment. - Efthimis N. Efthimiadis (J. Am. Soc. Inf. Sci., 2000)

Media asset retrieval systems. Sponsored by SIG CR, SIG USE, SIG DL, SIG HCI, SIG VIS. - Efthimis N. Efthimiadis; Jens-Erik Mai; Allison White; Robert Robinson (ASIST, 2002)

Puget sound's MARS (media asset retrieval systems) digital library. - Efthimis N. Efthimiadis; Jens-Erik Mai (JCDL, 2002)

Metadata for the description of broadcast assets. Sponsored by SIG CR, DL, HCI. - Efthimis N. Efthimiadis; Jens-Erik Mai; Paul E. Burrows; Edrolfo Leones; Dan Kniesner (ASIST, 2003)

PB Core-the Public Broadcasting Metadata Initiative: Progress Report. - Alison M. While; Alan Baker; Marty Bloss; Paul E. Burrows; Efthimis N. Efthimiadis; Marcia Brooks; David MacCarn; Thom Shepard; Cate Twohill (Dublin Core Conference, 2003)

Mental models of information retrieval systems. - Efthimis N. Efthimiadis; David G. Hendry; Pamela A. Savage-Knepshield; Carol Tenopir; Peiling Wang (ASIST, 2004)

Search engines and how students think they work. - Efthimis N. Efthimiadis; David G. Hendry (SIGIR, 2005)

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 (TREC, 2006)

Approaches to teaching & learning information retrieval. - Efthimis N. Efthimiadis; Jamie Callan; Ray R. Larson (ASIST, 2007)

IR-Toolbox: an experiential learning tool for teaching IR. - Efthimis N. Efthimiadis; Nathan G. Freier (SIGIR, 2007)

University of Washington (UW) at Legal TREC Interactive 2007. - Efthimis N. Efthimiadis; Mary A. Hotchkiss (TREC, 2007)

Characterization of national Web domains. - Ricardo A. Baeza-Yates; Carlos Castillo 001; Efthimis N. Efthimiadis (ACM Trans. Internet Techn., 2007)

Understanding visual search tools through users' reactions. - Efthimis N. Efthimiadis; Allison Druin; Andrew Large (ASIST, 2008)

Legal discovery: Does domain expertise matter? - Efthimis N. Efthimiadis; Mary A. Hotchkiss (ASIST, 2008)

How do Greeks search the web?: a query log analysis study. - Efthimis N. Efthimiadis (CIKM-iNEWS, 2008)

Measuring search engine quality in image queries in 10 non-English languages: an exploratory study. - Fotis Lazarinis; Efthimis N. Efthimiadis (CIKM-iNEWS, 2008)

An Investigation on the Use of Computerized Patient Care Documentation: Preliminary Results. - Kenneth M. Cam; Efthimis N. Efthimiadis; Kenric W. Hammond (HICSS, 2008)

An Evaluation of How Search Engines Respond to Greek Language Queries. - Efthimis N. Efthimiadis; Nicos Malevris; Apostolos Kousaridas; Alexandra Lepeniotou; Nikos Loutas (HICSS, 2008)

Studying query reformulation strategies in search logs. - Jeff Huang 002; Efthimis N. Efthimiadis (ASIST, 2009)

Query formulation in web search. - Efthimis N. Efthimiadis; Jeff Huang 002; Amanda Spink; Bernard Jim Jansen (ASIST, 2009)

Results overlap among the GYM (Google-Yahoo-MSN live) search engines. - Efthimis N. Efthimiadis; W. (Max) Eichbaum; Evan Luckey (ASIST, 2009)

Analyzing and evaluating query reformulation strategies in web search logs. - Jeff Huang 002; Efthimis N. Efthimiadis (CIKM, 2009)

How Students Search for Consumer Health Information on the Web. - Efthimis N. Efthimiadis (HICSS, 2009)

Non-english web search: an evaluation of indexing and searching the Greek web. - Efthimis N. Efthimiadis; Nicos Malevris; Apostolos Kousaridas; Alexandra Lepeniotou; Nikos Loutas (Inf. Retr., 2009)

Teaching and learning in information retrieval. - Juan M. Fernández-Luna; Juan F. Huete; Andrew MacFarlane 001; Efthimis N. Efthimiadis (Inf. Retr., 2009)

Introduction to the special issue on non-english web retrieval. - Fotis Lazarinis; Jesús Vilares; John Tait; Efthimis N. Efthimiadis (Inf. Retr., 2009)

Current research issues and trends in non-English Web searching. - Fotis Lazarinis; Jesús Vilares; John Tait; Efthimis N. Efthimiadis (Inf. Retr., 2009)

Interpreting User Inactivity on Search Results. - Sofia Stamou; Efthimis N. Efthimiadis (ECIR, 2010)

Developing an EMR Simulator to Assess Users' Perception of Document Quality. - Efthimis N. Efthimiadis; Kenric W. Hammond; Ryan Laundry; Stephen M. Thielke (HICSS, 2010)

Conversational tagging in twitter. - Jeff Huang 002; Katherine Thornton; Efthimis N. Efthimiadis (HT, 2010)

The value of visual elements in web search. - Marilyn Ostergren; Seung-yon Yu; Efthimis N. Efthimiadis (SIGIR, 2010)

Introduction to Teaching and Learning in Information Retrieval. - Efthimis N. Efthimiadis; Juan M. Fernández-Luna; Juan F. Huete; Andrew MacFarlane 001 (Teaching and Learning in Information Retrieval, 2011)

Preliminary Validation of a Method to Measure Information Value in Clinical Documentation. - Kenric W. Hammond; Efthimis N. Efthimiadis; Ryan Laundry; Stephen M. Thielke; Charlene R. Weir; Peter J. Embí; Ashley N. Hedeen (HICSS, 2011)

An exploration of the impact of computerized patient documentation on clinical collaboration. - Charlene R. Weir; Kenric W. Hammond; Peter J. Embí; Efthimis N. Efthimiadis; Stephen M. Thielke; Ashley N. Hedeen (Int. J. Medical Informatics, 2011)

Efficient De-identification of Electronic Patient Records for User Cognitive Testing. - Kenric W. Hammond; Efthimis N. Efthimiadis; Ryan Laundry (HICSS, 2012)

Research and applications: Computerized provider documentation: findings and implications of a multisite study of clinicians and administrators. - Peter J. Embí; Charlene R. Weir; Efthimis N. Efthimiadis; Stephen M. Thielke; Ashley N. Hedeen; Kenric W. Hammond (J. Am. Medical Informatics Assoc., 2013)