30267 search results - page 5827 / 6054 » Process Modelling Languages |
258
Voted
VLDB
2005
ACM
16 years 3 months ago
2005
ACM
XML database systems emerge as a result of the acceptance of the XML data model. Recent works have followed the promising approach of building XML database management systems on un...
223
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VLDB
2006
ACM
16 years 3 months ago
2006
ACM
While the information published in the form of XML-compliant documents keeps fast mounting up, efficient and effective query processing and optimization for XML have now become mor...
232
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SIGMOD
2009
ACM
16 years 3 months ago
2009
ACM
We are experiencing a new Social Web, where people share, communicate, commiserate, and conflict with each other. As evidenced by systems like Wikipedia, twitter, and delicious.co...
341
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SIGMOD
2006
ACM
16 years 3 months ago
2006
ACM
Given a dataset P and a preference function f, a top-k query retrieves the k tuples in P with the highest scores according to f. Even though the problem is well-studied in convent...
134
Voted
EDBT
2004
ACM
16 years 3 months ago
2004
ACM
The join operation, which combines tuples from multiple relations, is the most fundamental and, typically, the most expensive operation in database queries. The standard approach t...