750 search results - page 4 / 150 » Aggregates in Possibilistic Databases |
ICDT
1999
ACM
13 years 11 months ago
1999
ACM
Abstract. In this paper we present a new approach for studying aggregations in the context of database query languages. Starting from a broad de nition of aggregate function, we ad...
ICDE
2011
IEEE
12 years 10 months ago
2011
IEEE
— In this paper, we study the problem of efficiently computing multiple aggregation queries over a data stream. In order to share computation, prior proposals have suggested ins...
SIGMOD
2008
ACM
14 years 6 months ago
2008
ACM
This demo presents a privacy-preserving aggregate location monitoring system, namely, TinyCasper, in which we can monitor moving objects in wireless sensor networks while preservi...
EDBT
2012
ACM
11 years 9 months ago
2012
ACM
Record linkage analysis, which matches records referring to the same real world entities from different data sets, is an important task in data integration. Uncertainty often exi...
ICDE
2000
IEEE
14 years 8 months ago
2000
IEEE