549 search results - page 66 / 110 » Data Expiration and Aggregate Queries |
DEBS
2007
ACM
15 years 3 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
2010
Springer
14 years 10 months ago
2010
Springer
This paper proposes a ranking method to exploit statistical correlations among pairs of attribute values in relational databases. For a given query, the correlations of the query ...
GIS
2010
ACM
14 years 10 months ago
2010
ACM
This paper proposes an efficient, decentralized algorithm for determining the topological relationship between two regions monitored by a geosensor network. Many centralized algo...
SIGMOD
2011
ACM
14 years 2 months ago
2011
ACM
We study the problem of context-sensitive ranking for document retrieval, where a context is defined as a sub-collection of documents, and is specified by queries provided by do...
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MOBICOM
2004
ACM
15 years 5 months ago
2004
ACM
In this paper we consider the problem of searching for a node or an object (i.e., piece of data, file, etc.) in a large network. Applications of this problem include searching fo...