307 search results - page 51 / 62 » Generalized syntactic and semantic models of query reformula... |
WSDM
2009
ACM
14 years 2 months ago
2009
ACM
Temporal expressions, such as between 1992 and 2000, are frequent across many kinds of documents. Text retrieval, though, treats them as common terms, thus ignoring their inherent...
LPNMR
1997
Springer
13 years 11 months ago
1997
Springer
This paper introduces power default reasoning (PDR), a framework for nonmonotonic reasoning based on the domain-theoretic idea of modeling default rules with partial-information i...
UAI
2008
13 years 9 months ago
2008
Formal languages for probabilistic modeling enable re-use, modularity, and descriptive clarity, and can foster generic inference techniques. We introduce Church, a universal langu...
IR
2010
13 years 6 months ago
2010
In this article we present Supervised Semantic Indexing (SSI) which defines a class of nonlinear (quadratic) models that are discriminatively trained to directly map from the word...
NIL
1991
13 years 11 months ago
1991
In this paper we consider supernormal defaults [Poo88] with a strict partial order defining their priorities [Bre91]. We investigate their relation to minimal or preferential ent...