7576 search results - page 338 / 1516 » On Querying Ontologies and Databases |
196
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ICEBE
2005
IEEE
16 years 13 days ago
2005
IEEE
Over a traditional Database Management System (DBMS), the answer to an aggregate query is usually much smaller than the answer to a similar nonaggregate query. Therefore, we call ...
196
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HICSS
2002
IEEE
15 years 11 months ago
2002
IEEE
The main barriers to the level of electronic data interchange required to seamlessly integrate services offered by legacy systems in an Internet environment are the need for appli...
210
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APWEB
2007
Springer
15 years 10 months ago
2007
Springer
Abstract. XML provides a natural mechanism for representing semistructured and unstructured data. It becomes the basis for encoding a large variety of information, for example, the...
192
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BMCBI
2007
15 years 6 months ago
2007
Background: Recent advances in Web and information technologies with the increasing decentralization of organizational structures have resulted in massive amounts of information r...
161
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PODS
2003
ACM
16 years 7 months ago
2003
ACM
In this paper we study the following problem. Given a database and a set of queries, we want to find, in advance, a set of views that can compute the answers to the queries, such ...