720 search results - page 82 / 144 » Positional language models for information retrieval |
SIGIR
2002
ACM
14 years 9 months ago
2002
ACM
Query ambiguity is a generally recognized problem, particularly in Web environments where queries are commonly only one or two words in length. In this study, we explore one techn...
TCS
1998
14 years 9 months ago
1998
We consider a model of analog computation which can recognize various languages in real time. We encode an input word as a point in Rd by composing iterated maps, and then apply i...
UM
2009
Springer
15 years 4 months ago
2009
Springer
Abstract. This paper examines the problem of uncertainty due to instrumentation in user modeling systems within spatial domains. We consider the uncertainty of inferring a user’s...
ECIR
2007
Springer
14 years 11 months ago
2007
Springer
Abstract. In focussed XML retrieval, a retrieval unit is an XML element that not only contains information relevant to a user query, but also is specific to the query. INEX defin...
IEEEICCI
2006
IEEE
15 years 3 months ago
2006
IEEE
Knowledge representation is essential for semantics modeling and intelligent information processing. For decades researchers have proposed many knowledge representation techniques...