8763 search results - page 30 / 1753 » Querying Database Knowledge |
JCP
2007
14 years 10 months ago
2007
Abstract— Data synopsis is a lossy compressed representation of data stored into databases that helps the query optimizer to speed up the query process, e.g. time to retrieve the...
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ICDE
1996
IEEE
15 years 11 months ago
1996
IEEE
Query folding refers to the activity of determining if and how a query can be answered using a given set of resources, which might be materialized views, cached results of previou...
SSDBM
2005
IEEE
15 years 3 months ago
2005
IEEE
To discover knowledge or retrieve information from a relational database, a user often needs to find objects related to certain source objects. There are two main challenges in b...
ADBIS
2004
Springer
15 years 3 months ago
2004
Springer
The old idea of navigation in a database is revisited with two essential changes: we address Web users rather than programmers and the navigation is accomplished as a visual metaph...
SEMWEB
2007
Springer
15 years 4 months ago
2007
Springer
This paper shows how a Fuzzy Ontology based approach can improve semantic documents retrieval. After formally defining a Fuzzy Knowledge Base, it is discussed a special type of ne...