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» Retrieval Status Values in Information Retrieval Evaluation
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TREC
2004
15 years 7 months ago
Overview of the TREC 2004 Question Answering Track
The TREC 2004 Question Answering track contained a single task in which question series were used to define a set of targets. Each series contained factoid and list questions and ...
Ellen M. Voorhees
WEBDB
2004
Springer
154views Database» more  WEBDB 2004»
15 years 11 months ago
Twig Query Processing over Graph-Structured XML Data
XML and semi-structured data is usually modeled using graph structures. Structural summaries, which have been proposed to speedup XML query processing have graph forms as well. Th...
Zografoula Vagena, Mirella Moura Moro, Vassilis J....
EACL
1989
ACL Anthology
15 years 7 months ago
User studies and the design of Natural Language Systems
This paper presents a critical discussion of the various approaches that have been used in the evaluation of Natural Language systems. We conclude that previous approaches have ne...
Steve Whittaker, Phil Stenton
WISE
2009
Springer
16 years 3 months ago
Spectral Clustering in Social-Tagging Systems
Social tagging is an increasingly popular phenomenon with substantial impact on the way we perceive and understand the Web. For the many Web resources that are not self-descriptive...
Alexandros Nanopoulos, Hans-Henning Gabriel, Myra ...
ICDE
2002
IEEE
136views Database» more  ICDE 2002»
16 years 7 months ago
Mixing Querying and Navigation in MIX
Web-based information systems provide to their users the ability to interleave querying and browsing during their information discovery efforts. The MIX system provides an API cal...
Pratik Mukhopadhyay, Yannis Papakonstantinou