432 search results - page 72 / 87 » A Set-Theoretic Data Model For Evolving Database Environment... |
ICDT
1999
ACM
13 years 12 months ago
1999
ACM
In data integration systems, queries posed to a mediator need to be translated into a sequence of queries to the underlying data sources. In a heterogeneous environment, with sour...
ICDE
2007
IEEE
14 years 2 months ago
2007
IEEE
Recently, systems providing access to extremely large data collections, managed in a distributed manner, gain emerging attention. A promising approach to implement the physical la...
ICDT
2009
ACM
14 years 8 months ago
2009
ACM
Almost all medium- and large-scale businesses rely on electronic workflow systems to manage their business processes. A key challenge is to enable the easy re-use and modification...
BMCBI
2005
13 years 7 months ago
2005
Background: The availability of interaction databases provides an opportunity for researchers to utilize immense amounts of data exclusively in silico. Recently there has been an ...
ICEIS
2005
IEEE
14 years 1 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...