4051 search results - page 82 / 811 » Aggregation |
125
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ADBIS
2000
Springer
15 years 5 months ago
2000
Springer
Queries involving aggregation are typical in a number of database research areas, such as data warehousing, global information systems and mobile computing. One of the main ideas ...
105
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KDD
1998
ACM
15 years 4 months ago
1998
ACM
We consider the problem of aggregation for uncertain and imprecise data. For such data, we define aggregation operators and use them to provide information on properties and patte...
136
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DEBS
2010
ACM
15 years 4 months ago
2010
ACM
We present a case study parallelizing streaming aggregation on three different parallel hardware architectures. Aggregation is a performance-critical operation for data summarizat...
106
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ESA
2006
Springer
15 years 4 months ago
2006
Springer
A sensor network consists of sensing devices which may exchange data through wireless communication. A particular feature of sensor networks is that they are highly energy constrai...
110
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ECAI
1998
Springer
15 years 4 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...