421 search results - page 59 / 85 » Answering Queries Using Cooperative Semantic Caching |
AAAI
2006
14 years 13 days ago
2006
Information integration systems combine data from multiple heterogeneous Web services to answer complex user queries, provided a user has semantically modeled the service first. T...
EDBT
2008
ACM
14 years 11 months ago
2008
ACM
In the paper we discuss the problem of data integration in a P2P environment. In such setting each peer stores schema of its local data, mappings between the schema and schemas of...
OTM
2010
Springer
13 years 9 months ago
2010
Springer
In this paper we deal with problems occurring in evolving interrelated Web databanks. Examples of such databanks are networks of interlinked scientific repositories on the Web, man...
SIGMOD
2007
ACM
14 years 11 months ago
2007
ACM
Incomplete information arises naturally in numerous data management applications. Recently, several researchers have studied query processing in the context of incomplete informat...
PAKDD
1999
ACM
14 years 3 months ago
1999
ACM
Empirical equations are an important class of regularities that can be discovered in databases. In this paper we concentrate on the role of equations as de nitions of attribute val...