1000 search results - page 130 / 200 » Provenance for Aggregate Queries |
CIDR
2007
13 years 11 months ago
2007
Biologists are increasingly using databases for storing and managing their data. Biological databases typically consist of a mixture of raw data, metadata, sequences, annotations,...
ICDE
2008
IEEE
14 years 11 months ago
2008
IEEE
Recently, as more and more social network data has been published in one way or another, preserving privacy in publishing social network data becomes an important concern. With som...
DAWAK
2000
Springer
14 years 2 months ago
2000
Springer
In the context of multidimensional databases implemented on relational DBMSs through star schemes, the most effective technique to enhance performances consists of materializing re...
VLDB
1998
ACM
14 years 2 months ago
1998
ACM
We propose a multi-dimensional language called nD-SQL with the following features: (i) nD-SQL supports queries that interoperate amongst multiple relational sources with heterogen...
ADC
2010
Springer
13 years 5 months ago
2010
Springer
Aggregation against distinct objects has been involved in many real applications with the presence of duplicates, including real-time monitoring moving objects. In this paper, we ...