389 search results - page 1 / 78 » A Framework for the Investigation of Aggregate Functions in ... |
ICDT
1999
ACM
13 years 9 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...
VLDB
1989
ACM
13 years 9 months ago
1989
ACM
Fuzzy set theory represents a uniform framework for extending the relational database model to han-, dle imprecision of information found in the real world. None of the existing p...
SIGMOD
2004
ACM
14 years 5 months ago
2004
ACM
Existing SQL aggregate functions present important limitations to compute percentages. This article proposes two SQL aggregate functions to compute percentages addressing such lim...
ICDE
2010
IEEE
13 years 9 months ago
2010
IEEE
Searching and mining large graphs today is critical to a variety of application domains, ranging from personalized recommendation in social networks, to searches for functional ass...
DOLAP
2005
ACM
13 years 6 months ago
2005
ACM
We propose a new functional framework for modeling, querying and reasoning about OLAP databases. The framework represents data (data cubes and dimensional hierarchies) and queryin...