Open portals or closed gates? Channeling Content on the World Wide Web
نویسندگان
چکیده
منابع مشابه
Supporting Open and Closed World Reasoning on the Web
In this paper general mechanisms and syntactic restrictions are explored in order to specify and merge rule bases in the Semantic Web. Rule bases are expressed by extended logic programs having two forms of negation, namely strong (or explicit) and weak (also known as default negation or negation-as-failure). The proposed mechanisms are defined by very simple modular program transformations, an...
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The World Wide Web has experienced explosive growth as a content delivery mechanism, delivering hypertext files and static media content in a standardised way. However, this content has been unable to interact with other content, making the web a distribution system rather than a distributed system. This is changing, however, as distributed component architectures are being adapted to work with...
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Open source software is required to be widely available to the user community. To help developers fulfill this requirement, Web portals provide a way to make open source projects public so that the user community has access to their source code, can contribute to their development, and can interact with the developer team. However, choosing a Web portal is not an easy task. There are several op...
متن کاملOpen access World Wide Web resources on urogenital infections.
BACKGROUND Urinary tract infections are the most common infections seen in hospitalized patients and the second most common, after respiratory tract infections, seen in the general population. The World Wide Web can now assist healthcare professionals in finding up-to-date information on different medical conditions. METHODS We sought to identify websites that contain information on urogenita...
متن کاملOpen and Closed World Reasoning in the Semantic Web
In this paper general mechanisms and syntactic restrictions are explored in order to specify and merge rule bases in the Semantic Web. Rule bases are expressed by extended logic programs having two forms of negation, namely strong (or explicit) and weak (also known as default negation or “negation as failure”). The proposed mechanisms are defined by very simple modular program transformations, ...
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ژورنال
عنوان ژورنال: Poetics
سال: 2000
ISSN: 0304-422X
DOI: 10.1016/s0304-422x(00)00006-1