262 search results - page 30 / 53 » Spatio-temporal join selectivity |
SIGMOD
2005
ACM
14 years 1 months ago
2005
ACM
Recursion represents an important addition to the SQL language. This work focuses on the optimization of linear requeries in SQL. To provide an abstract framework for discussion, ...
ISI
2003
Springer
14 years 25 days ago
2003
Springer
In many intelligence and security tasks it is necessary to monitor data in database in order to detect certain events or changes. Currently, database systems offer triggers to pro...
IV
2002
IEEE
14 years 16 days ago
2002
IEEE
In this paper a visual approach to querying in large spatial databases is presented. A diagrammatic technique utilising a data flow metaphor is used to express different kinds of...
ICMCS
1999
IEEE
13 years 12 months ago
1999
IEEE
We submit a method (EMPI: Evaluation of Multimedia, Pedagogical and Interactive software) to evaluate multimedia software used in educational context. Our purpose is to help users...
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...