306 search results - page 56 / 62 » Data Exchange: Semantics and Query Answering |
KRDB
1998
13 years 9 months ago
1998
We present a semantic caching approach for optimizing the performance of information mediators. A critical problem with information mediators, particularly those gathering and int...
SIGMOD
2000
ACM
14 years 26 days ago
2000
ACM
XML is rapidly emerging as the new standard for data representation and exchange on the Web. An XML document can be accompanied by a Document Type Descriptor (DTD) which plays the...
RULEML
2005
Springer
14 years 2 months ago
2005
Springer
We show the first detailed realistic e-business application scenario that uses and exploits capabilities of the SweetRules V2.1 toolset for e-contracting using the SweetDeal approa...
VLDB
2005
ACM
14 years 2 months ago
2005
ACM
To answer user queries, a data integration system employs a set of semantic mappings between the mediated schema and the schemas of data sources. In dynamic environments sources o...
ICDE
2006
IEEE
14 years 10 months ago
2006
IEEE
Until recently, most data integration techniques involved central components, e.g., global schemas, to enable transparent access to heterogeneous databases. Today, however, with t...