492 search results - page 64 / 99 » Computing aggregations in database query languages |
APBC
2003
13 years 11 months ago
2003
In this paper we suggest the requirements for an open platform designed for the description, distribution and analysis of genetic polymorphism data. This platform is discussed in ...
IDEAS
2002
IEEE
14 years 2 months ago
2002
IEEE
Boolean expression simplification is a well-known problem in the history of Computer Science. The problem of determining prime implicates from an arbitrary Boolean expression has...
ICDE
2009
IEEE
14 years 11 months ago
2009
IEEE
Many location-based services require rich and expressive query language support for filtering large amounts of information. In prominent location-based services thousands of conti...
SSDBM
2000
IEEE
14 years 2 months ago
2000
IEEE
In implementations of non-standard database systems, large objects are often embedded within an aggregate of different types, i.e. a tuple. For a given size and access probabilit...
TIME
2003
IEEE
14 years 3 months ago
2003
IEEE
In bitemporal databases, current facts and transaction states are modelled using a special value to represent the current time (such as a minimum or maximum timestamp or NULL). Pr...