5 search results - page 1 / 1 » Four-Level-Architecture for Closure in Interoperability |
EFDBS
2003
13 years 6 months ago
2003
A definition of types in an information system is given from ld abstractions through data constructs, schema and definitions to physical data values. Category theory suggests tha...
ICEIS
2005
IEEE
13 years 10 months ago
2005
IEEE
Abstract: Interoperability for information systems remains a challenge both at the semantic and organisational levels. The original three-level architecture for local databases nee...
CAV
2012
Springer
11 years 7 months ago
2012
Springer
Nested-word automata (NWAs) are a language formalism that helps bridge the gap between finite-state automata and pushdown automata. NWAs can express some context-free properties, ...
ICDT
2009
ACM
14 years 5 months ago
2009
ACM
Schema mappings are declarative specifications that describe the relationship between two database schemas. In recent years, there has been an extensive study of schema mappings a...
ISPD
1997
ACM
13 years 8 months ago
1997
ACM
- This paper reports on a highly effective methodology to construct complex high performance microprocessors. Critical aspects of the methodology include an integrated database for...