243 search results - page 31 / 49 » A Heuristics-Based Approach to Query Optimization in Structu... |
BPSC
2007
14 years 11 months ago
2007
Originally XML was used as a standard protocol for data exchange in computing. The evolution of information technology has opened up new situations in which XML can be used to aut...
KDD
2008
ACM
15 years 10 months ago
2008
ACM
Extracting entities (such as people, movies) from documents and identifying the categories (such as painter, writer) they belong to enable structured querying and data analysis ov...
105
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CIKM
2004
Springer
15 years 1 months ago
2004
Springer
With the growing importance of semi-structure data in information exchange, much research has been done to provide an effective mechanism to match a twig query in an XML database....
92
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VLDB
1994
ACM
15 years 1 months ago
1994
ACM
Physical data independence is touted as a central feature of modern database systems. Both relational and object-oriented systems, however, force users to frame their queries in t...
EDBT
2004
ACM
15 years 9 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...