505 search results - page 55 / 101 » Queries with Incomplete Answers over Semistructured Data |
SIGMOD
2005
ACM
15 years 9 months ago
2005
ACM
Caching data by maintaining materialized views typically requires updating the cache appropriately to reflect dynamic source updates. Extensive research has addressed the problem ...
ALENEX
2003
14 years 11 months ago
2003
We present a data structure, called a ray interpolant tree, or RI-tree, which stores a discrete set of directed lines in 3-space, each represented as a point in 4-space. Each dire...
184
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ICDE
2007
IEEE
15 years 11 months ago
2007
IEEE
We present the design of Scoop, a system for indexing and querying stored data in sensor networks. Scoop works by collecting statistics about the rate of queries and distribution ...
167
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ICDE
2005
IEEE
15 years 11 months ago
2005
IEEE
Online monitoring of data streams poses a challenge in many data-centric applications, such as telecommunications networks, traffic management, trend-related analysis, webclick st...
103
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WISE
2009
Springer
15 years 6 months ago
2009
Springer
ct One significant effort towards combining the virtues of Web search, viz. being accessible to untrained users and able to cope with vastly heterogeneous data, with those of dat...