1388 search results - page 233 / 278 » Querying Linguistic Trees |
208
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VLDB
2003
ACM
16 years 21 days ago
2003
ACM
The efficient retrieval of data items on set-valued attributes is an important research topic that has attracted little attention so far. We studied and modified four index structu...
168
Voted
SIGMOD
2005
ACM
16 years 19 days ago
2005
ACM
We give semantic characterizations of the expressive power of navigational XPath (also called Core XPath) in terms of first order logic. XPath can be used to specify sets of nodes...
100
Voted
IPPS
2009
IEEE
15 years 7 months ago
2009
IEEE
We consider the operator mapping problem for in-network stream processing, i.e., the application of a tree of operators in steady-state to multiple data objects that are continuou...
113
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WAIM
2007
Springer
15 years 6 months ago
2007
Springer
To solve the overlapping search of multidimensional spatial database containing large quantity of objects with dynamic spatial extent, this paper proposes an index structure named ...
113
Voted
DASFAA
2006
IEEE
15 years 6 months ago
2006
IEEE
Keyword search is an effective approach for most users to search for information because they do not need to learn complex query languages or the underlying structures of the data....