4518 search results - page 269 / 904 » E-Learning as a Web Service |
153
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MATES
2005
Springer
16 years 2 days ago
2005
Springer
Because there is still no agreed-upon global ontology, Web services supplied by different providers typically have individual and unique semantics, described by independently devel...
180
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RULEML
2005
Springer
16 years 2 days ago
2005
Springer
Enforcing rich policies in open environments will increasingly require the ability to dynamically identify external sources of information necessary to enforce different policies (...
139
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SEMWEB
2005
Springer
16 years 2 days ago
2005
Springer
In many Web service composition problems, information may be needed from Web services during the composition process. Existing research on Web service composition (WSC) procedures...
139
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CCS
2004
ACM
16 years 2 hour ago
2004
ACM
WS-SecurityPolicy is a declarative configuration language for driving web services security mechanisms. We describe a formal sefor WS-SecurityPolicy, and propose a more abstract ...
165
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EDOC
2002
IEEE
15 years 11 months ago
2002
IEEE
For the majority of front-end e-business systems, the assumption of a coherent and homogeneous set of interfaces is highly unrealistic. Problems start in the back-end, with system...