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JACM
2010
13 years 2 months ago
2010
A schema mapping is a specification that describes how data structured under one schema (the source schema) is to be transformed into data structured under a different schema (the...
ADBIS
2007
Springer
14 years 2 months ago
2007
Springer
The semantics of a new language (CUDL – Conceptual Universal Database Language), designed to manage dynamic database environments, are presented. This language conforms to the FD...
INAP
2001
Springer
14 years 11 days ago
2001
Springer
The Hypertext-based Webs such as Intranets contain a vast amount of information pertaining to an enormous number of subjects. It is, however, an organically grown and thus essentia...
IDTRUST
2009
ACM
14 years 2 months ago
2009
ACM
In this paper, we describe the challenges in using Personal Identity Verification (PIV) cards and PIV-like cards as federated identities to authenticate to US Federal government f...
GIS
2005
ACM
14 years 9 months ago
2005
ACM
A necessary step in the implementation of three-dimensional spatial data types for spatial database systems and GIS is the development of robust geometric primitives. The authors ...