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» On database query languages for K-relations
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2009
IEEE
14 years 2 months ago
Event-Oriented Data Models and Temporal Queries in Transaction-Time Databases
—Past research on temporal databases has primarily focused on state-based representations and on relational query language extensions for such representations. This led to many d...
Carlo Zaniolo
DOLAP
2005
ACM
13 years 9 months ago
Modeling, querying and reasoning about OLAP databases: a functional approach
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...
Ken Q. Pu
CACM
2008
121views more  CACM 2008»
13 years 6 months ago
Polaris: a system for query, analysis, and visualization of multidimensional databases
During the last decade, multidimensional databases have become common in the business and scientific worlds. Analysis places significant demands on the interfaces to these databas...
Chris Stolte, Diane Tang, Pat Hanrahan
AGTIVE
2007
Springer
13 years 9 months ago
Adaptable Support for Queries and Transformations for the DRAGOS Graph-Database
Abstract. The DRAGOS database eases the development of graphbased applications by providing a uniform graph-oriented data storage facility. In this paper, we extend the existing da...
Erhard Weinell
PODS
2005
ACM
104views Database» more  PODS 2005»
14 years 7 months ago
Views and queries: determinacy and rewriting
We investigate the question of whether a query can be answered using a set V of views. We first define the problem in information-theoretic terms: we say that V determines if V pr...
Luc Segoufin, Victor Vianu