6650 search results - page 196 / 1330 » Mutating database queries |
201
Voted
SIGMOD
2005
ACM
16 years 4 months ago
2005
ACM
Nested Intervals generalize Nested Sets. They are immune to hierarchy reorganization problem. They allow answering ancestor path hierarchical queries algorithmically - without acc...
114
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SIGMOD
2001
ACM
16 years 4 months ago
2001
ACM
We introduce a rich language of descriptions for semistructured tree-like data, and we explain how such descriptions relate to the data they describe. Various query languages and ...
117
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VLDB
1999
ACM
15 years 8 months ago
1999
ACM
While the desire to support fast, ad hoc query processing for large data warehouses has motivated the
106
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DEXA
2006
Springer
15 years 7 months ago
2006
Springer
A new approach to query optimization, truly adaptive optimization (TAO), is presented. TAO is a general optimization strategy and is composed of three elements:
130
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COMPSAC
1997
IEEE
15 years 8 months ago
1997
IEEE
Retrieving images by content and forming visual queries are important functionality of an image database system. Using textual descriptions to specify queries on image content is ...