6740 search results - page 117 / 1348 » Querying Databases with Taxonomies |
165
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ADC
1994
Springer
15 years 10 months ago
1994
Springer
We present a proposed query language for extended entity relationship schemas. The language improves on previous proposals by using only concepts explicitly in a given schema. It ...
204
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ISPA
2007
Springer
16 years 17 days ago
2007
Springer
Regular path queries are the building block of almost any mechanism for querying semistructured data. Despite the fact that the main applications of such data are distributed, ther...
163
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ICMCS
2005
IEEE
16 years 16 hour ago
2005
IEEE
This paper introduces a new approach of approximating the selectivity of multimedia range queries. Estimating the selectivity of a range query is a pre-requisite to optimize a mul...
161
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LICS
2002
IEEE
15 years 11 months ago
2002
IEEE
Monadic query languages over trees currently receive considerable interest in the database community, as the problem of selecting nodes from a tree is the most basic and widesprea...
175
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DEXA
2000
Springer
15 years 10 months ago
2000
Springer
This paper is mainly concerned with the extension of database management systems querying capabilities, so that users may address queries involving preferences and get discriminate...