106 search results - page 21 / 22 » Reachability Indexes for Relational Keyword Search |
IUI
2006
ACM
13 years 11 months ago
2006
ACM
Question answering (QA) systems take users’ natural language questions and retrieve relevant answers from large repositories of free texts. Despite recent progress in QA researc...
SIGIR
2004
ACM
13 years 11 months ago
2004
ACM
An under-explored question in cross-language information retrieval (CLIR) is to what degree the performance of CLIR methods depends on the availability of high-quality translation...
CLEF
2006
Springer
13 years 9 months ago
2006
Springer
In this paper we will describe Berkeley's approach to the Domain Specific (DS) track for CLEF 2006. This year we are not using the tools for thesaurus-based query expansion a...
IIR
2010
13 years 7 months ago
2010
We study the evaluation of opinion retrieval systems. Opinion retrieval is a relatively new research area, nevertheless classical evaluation measures, those adopted for ad hoc ret...
GECCO
2008
Springer
13 years 6 months ago
2008
Springer
In this paper, a multiobjective (MO) learning approach to image feature extraction is described, where Pareto-optimal interest point (IP) detectors are synthesized using genetic p...