2539 search results - page 479 / 508 » Updates for Structure Indexes |
EDBT
2006
ACM
15 years 9 months ago
2006
ACM
Abstract. Sensor networks monitor physical phenomena over large geographic regions. Scientists can gain valuable insight into these phenomena, if they understand the underlying dat...
EDBT
2008
ACM
15 years 9 months ago
2008
ACM
Peer Data Management Systems (PDMSs) have been introduced as a solution to the problem of large-scale sharing of semantically rich data. A PDMS consists of semantic peers connecte...
ICDE
2010
IEEE
15 years 9 months ago
2010
IEEE
Rank-aware query processing has become essential for many applications that return to the user only the top-k objects based on the individual user's preferences. Top-k queries...
PEPM
2010
ACM
15 years 6 months ago
2010
ACM
We show how to efficiently evaluate generic map-filter-product queries, generalizations of select-project-join (SPJ) queries in relational algebra, based on a combination of two...
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SAC
2010
ACM
15 years 4 months ago
2010
ACM
In this paper, we explore the problem of processing a novel type of location based queries, named the location based top-k query, which involves both of spatial and non-spatial sp...