2063 search results - page 86 / 413 » Containment of Aggregate Queries |
228
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SIGMOD
2008
ACM
16 years 4 months ago
2008
ACM
A variety of web sites and web based services produce textual lists at varying time granularities ranked according to several criteria. For example, Google Trends produces lists o...
221
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VLDB
2004
ACM
16 years 4 months ago
2004
ACM
In-network aggregation has been proposed as one method for reducing energy consumption in sensor networks. In this paper, we explore two ideas related to further reducing energy co...
172
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IPSN
2007
Springer
15 years 10 months ago
2007
Springer
We study the problem of aggregating data from a sparse set of nodes in a wireless sensor network. This is a common situation when a sensor network is deployed to detect relatively...
135
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ECAI
1998
Springer
15 years 7 months ago
1998
Springer
Abstract. We extend different Description Logics by concrete domains (such as integers and reals) and by aggregation functions over these domains (such as min;max;count;sum), which...
203
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AAMAS
2011
Springer
14 years 10 months ago
2011
Springer
We study the case where agents have preferences over ranges (intervals) of values, and we wish to elicit and aggregate these preferences. For example, consider a set of climatologi...