958 search results - page 137 / 192 » Efficient data structures for range-aggregate queries on tre... |
VLDB
2000
ACM
15 years 1 months ago
2000
ACM
Primary B+ -tree, a variant of B+ -tree structure with row data in leaf blocks, is an ideal storage organization for queries involving exact match and/or range search on primary k...
215
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ICDE
2003
IEEE
15 years 11 months ago
2003
IEEE
This paper presents SPEX, a streamed and progressive evaluation of regular path expressions with XPath-like qualifiers against XML streams. SPEX proceeds as follows. An expression...
156
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SIGMOD
2008
ACM
15 years 10 months ago
2008
ACM
Database archiving is important for the retrieval of old versions of a database and for temporal queries over the history of data. We demonstrate XArch, a management system for ma...
ICIP
2002
IEEE
15 years 11 months ago
2002
IEEE
Reliable transmission of video over wireless networks must address the limited bandwidth and the possibility of loss. When the bandwidth is insufficient on a single channel, the v...
FOCS
2000
IEEE
15 years 2 months ago
2000
IEEE
We consider the planar point location problem from the perspective of expected search time. We are given a planar polygonal subdivision S and for each polygon of the subdivision t...