750 search results - page 90 / 150 » Aggregates in Possibilistic Databases |
VLDB
2008
ACM
14 years 10 months ago
2008
ACM
This paper studies aggregate search in transaction time databases. Specifically, each object in such a database can be modeled as a horizontal segment, whose y-projection is its s...
WCRE
2007
IEEE
14 years 4 months ago
2007
IEEE
The software industry is increasingly confronted with the issues of understanding and maintaining a special type of object-oriented systems, namely enterprise applications. A spec...
SCCC
2005
IEEE
14 years 3 months ago
2005
IEEE
Databases may not satisfy integrity constraints (ICs) for several reasons. Nevertheless, in most of the cases an important part of the data is still consistent wrt certain desired...
IPPS
2002
IEEE
14 years 2 months ago
2002
IEEE
Most current work in data mining assumes that the database is static, and a database update requires rediscovering all the patterns by scanning the entire old and new database. Su...
VLDB
1994
ACM
14 years 2 months ago
1994
ACM
In existing relational database systems, processing of group-by and computation of aggregate functions are always postponed until all joins are performed. In this paper, we presen...