260 search results - page 18 / 52 » Kleisli category and database mappings |
WWW
2006
ACM
14 years 8 months ago
2006
ACM
There are principal differences between the relational model and XML's tree model. This causes problems in all cases where information from these two worlds has to be brought...
ADBIS
1997
Springer
13 years 11 months ago
1997
Springer
A graphical formalized language is proposed for specifying systems of views over database schemas. The language is based on the notion of arrow (mapping) between data schemas and ...
PODS
1989
ACM
13 years 11 months ago
1989
ACM
In this paper we propose the use of fractals and especially the Hilbert curve, in order to design good distance-preserving mappings. Such mappings improve the performance of secon...
GIS
2008
ACM
14 years 8 months ago
2008
ACM
We report on our experience from design and implementation of a powerful map application for managing, querying and visualizing evolving locations of moving objects. Instead of bu...
EDBT
2012
ACM
11 years 10 months ago
2012
ACM
Increased availability of large repositories of chemical compounds has created new challenges and opportunities for the application of data-mining and indexing techniques to probl...