2338 search results - page 127 / 468 » Using UML to model relational database operations |
163
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DLOG
2008
15 years 7 months ago
2008
Answering queries posed over knowledge bases is a central problem in knowledge representation and database theory. In databases, query containment is one of the important query op...
132
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ELPUB
2003
ACM
15 years 10 months ago
2003
ACM
Based on our field and desk-research , this paper will discuss the current situation of mobile telephones in relation to electronic publishing—a convergence that remains yet to ...
177
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SEBD
2001
15 years 6 months ago
2001
This paper introduces a new logical formalism, intended for temporal conceptual modelling, as a natural combination of the well-known description logic DLR and point-based linear ...
187
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VLDB
2002
ACM
15 years 4 months ago
2002
ACM
Complex database queries require the use of memory-intensive operators like sort and hashjoin. Those operators need memory, also referred to as SQL memory, to process their input ...
203
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IDEAS
2010
IEEE
15 years 3 months ago
2010
IEEE
Even though an effective cost-based query optimizer is of utmost importance for the efficient evaluation of XQuery expressions in native XML database systems, such a component is...