307 search results - page 14 / 62 » Generalized syntactic and semantic models of query reformula... |
ICDT
2010
ACM
13 years 9 months ago
2010
ACM
When a query is evaluated under bag semantics, each answer is returned as many times as it has derivations. Bag semantics has long been recognized as important, especially when ag...
WWW
2007
ACM
14 years 8 months ago
2007
ACM
Graphical relationships among web pages have been leveraged as sources of information in methods for ranking search results. To date, specific graphical properties have been used ...
ICDT
2012
ACM
11 years 10 months ago
2012
ACM
In a recent paper by Hellerstein [15], a tight relationship was conjectured between the number of strata of a Datalog¬ program and the number of “coordination stages” require...
IWFM
1998
13 years 8 months ago
1998
Vagueness is the phenomenon that natural language predicates have borderline regions of applicability and that the boundaries of the borderline region are not determinable. A theo...
WWW
2004
ACM
14 years 8 months ago
2004
ACM
To improve the process of user information retrieval, we propose the concept of a latent semantic map (LSM), along with a method of generating this map. The novel aspect of the LS...