2859 search results - page 206 / 572 » Querying Complex Structured Databases |
108
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VLDB
1990
ACM
15 years 6 months ago
1990
ACM
In this paper, we describe a new indexing technique, the time indez, for improving the performance of certain classes of temporal queries. The time index can be used to retrieve v...
119
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SSD
2007
Springer
15 years 8 months ago
2007
Springer
Topological relationships between spatial objects are important for querying, reasoning, and indexing of data within spatial databases. These relationships are qualitative and resp...
143
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ECCV
2010
Springer
15 years 5 months ago
2010
Springer
Abstract. Much recent research in human activity recognition has focused on the problem of recognizing simple repetitive (walking, running, waving) and punctual actions (sitting up...
124
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ICDE
2005
IEEE
15 years 8 months ago
2005
IEEE
Queries on XML documents typically combine selections on element contents, and, via path expressions, the structural relationships between tagged elements. Efficient support for ...
114
Voted
VLDB
1998
ACM
15 years 6 months ago
1998
ACM
Currently the key problems of query optimization are extensibility imposed by object-relational technology, as well as query complexity caused by forthcoming applications, such as...