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CIKM
2010
Springer
15 years 1 months ago
Fast query expansion using approximations of relevance models
Pseudo-relevance feedback (PRF) improves search quality by expanding the query using terms from high-ranking documents from an initial retrieval. Although PRF can often result in ...
Marc-Allen Cartright, James Allan, Victor Lavrenko...
ECIR
2010
Springer
15 years 1 months ago
Biometric Response as a Source of Query Independent Scoring in Lifelog Retrieval
Personal lifelog archives contain digital records captured from an individual’s daily life, e.g. emails, web pages downloaded and SMSs sent or received. While capturing this info...
Liadh Kelly, Gareth J. F. Jones
MIG
2010
Springer
15 years 1 months ago
Navigation Queries from Triangular Meshes
Abstract. Navigation meshes are commonly employed as a practical representation for path planning and other navigation queries in animated virtual environments and computer games. ...
Marcelo Kallmann
EUROCOLT
1999
Springer
15 years 7 months ago
Learning Range Restricted Horn Expressions
We study the learnability of first order Horn expressions from equivalence and membership queries. We show that the class of expressions where every term in the consequent of a c...
Roni Khardon
BIRTHDAY
1992
Springer
15 years 7 months ago
Single Tree Grammars
A context-free grammar is a single-tree grammar (STG) if every nonterminal symbol has at most one production rule whose right hand side contains nonterminal symbols. Various prope...
Sheila A. Greibach, Weiping Shi, Shai Simonson