141 search results - page 6 / 29 » Equivalence of queries combining set and bag-set semantics |
CORR
2011
Springer
13 years 2 months ago
2011
Springer
Abstract. We present a categorical denotational semantics for a database mapping, based on views, in the most general framework of a database integration/exchange. Developed databa...
ASP
2003
Springer
14 years 17 days ago
2003
Springer
Integration of data is required when accessing multiple databases within an organization or on the WWW. Schema integration is required for database interoperability, but it is curr...
ICMCS
2008
IEEE
14 years 1 months ago
2008
IEEE
This paper presents an effective fuzzy long-term semantic learning method for relevance feedback-based image retrieval. The proposed system uses a statistical correlationbased met...
ACL
2009
13 years 5 months ago
2009
We present a novel approach to parse web search queries for the purpose of automatic tagging of the queries. We will define a set of probabilistic context-free rules, which genera...
GIS
2008
ACM
14 years 8 months ago
2008
ACM
In order to deal with inconsistent databases, a repair semantics defines a set of admissible database instances that restore consistency, while staying close to the original insta...