458 search results - page 32 / 92 » Multi-query Optimization for Distributed Similarity Query Pr... |
SIGMOD
2004
ACM
15 years 9 months ago
2004
ACM
We present the Priority R-tree, or PR-tree, which is the first R-tree variant that always answers a window query using O((N/B)1-1/d + T/B) I/Os, where N is the number of ddimensio...
DEBS
2007
ACM
15 years 1 months ago
2007
ACM
Queries for composite events typically involve the four complementary dimensions of event data, event composition, relationships between events (esp. temporal and causal), and acc...
CIKM
2008
Springer
14 years 11 months ago
2008
Springer
Similarity search in metric spaces is a general paradigm that can be used in several application fields. It can also be effectively exploited in content-based image retrieval syst...
169
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VLDB
2007
ACM
15 years 10 months ago
2007
ACM
Incompleteness due to missing attribute values (aka "null values") is very common in autonomous web databases, on which user accesses are usually supported through media...
89
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SIGMOD
2002
ACM
15 years 9 months ago
2002
ACM
The widespread distribution and availability of smallscale sensors, actuators, and embedded processors is transforming the physical world into a computing platform. One such examp...