103 search results - page 6 / 21 » Visual Query Operators for Temporal Databases |
VL
1998
IEEE
13 years 12 months ago
1998
IEEE
This paper presents VIQING, an environment for expressing queries via direct manipulation of data visualizations. VIQING provides a simple graphical interface for connecting visua...
DBPL
2001
Springer
14 years 5 days ago
2001
Springer
Commercial OLAP systems usually treat OLAP dimensions as static entities. In practice, dimension updates are often necessary in order to adapt the multidimensional database to chan...
VLDB
1990
ACM
13 years 11 months ago
1990
ACM
In this paper, we describe a new indexing technique, the time indez, for improving the performance of certain classes of temporal queries. The time index can be used to retrieve v...
Publication
This paper presents a framework for building and continuously maintaining spatio-temporal histograms (ST-Histograms, for short). ST-Histograms are used for selectivity estimation o...
ICDE
2002
IEEE
14 years 9 months ago
2002
IEEE
Difference, intersection, semi-join and anti-semi-join may be considered binary subset operators, in that they all return a subset of their left-hand argument. These operators are...