1358 search results - page 237 / 272 » An inductive database and query language in the relational m... |
CIKM
2008
Springer
14 years 11 months ago
2008
Springer
Real-time materialized view maintenance has become increasingly popular, especially in real-time data warehousing and data streaming environments. Upon updates to base relations, ...
VLDB
2002
ACM
14 years 9 months ago
2002
ACM
All existing proposals for querying XML (e.g., XQuery) rely on a pattern-specification language that allows (1) path navigation and branching through the label structure of the XM...
KES
2005
Springer
15 years 3 months ago
2005
Springer
Abstract. A mobile robot that interacts with its environment needs a machineunderstandable representation of objects and their usages. We present an ontology of objects, with gener...
SIGMOD
1995
ACM
15 years 1 months ago
1995
ACM
We study the problem of e cient maintenance of materialized views that may contain duplicates. This problem is particularly important when queries against such views involve aggre...
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SAC
2005
ACM
15 years 3 months ago
2005
ACM
Many geographical applications deal with spatial objects that cannot be adequately described by determinate, crisp concepts because of their intrinsically indeterminate and vague ...