By Bhavani Thuraisingham
Semantic Webs promise to revolutionize the best way desktops locate and combine information over the net. they're going to enable net brokers to proportion and reuse info throughout purposes, organisations, and group obstacles. notwithstanding, this more advantageous accessibility poses a better danger of unauthorized entry, that may bring about the malicious corruption of knowledge. development reliable Semantic Webs addresses the pressing call for for the advance of powerful mechanisms that might guard and safe semantic Webs. layout versatile safeguard regulations to enhance potency Securing semantic Webs comprises the formation of regulations that would dictate what form of entry net brokers are allowed. this article presents the instruments had to engineer those rules and safe person parts of the semantic net, comparable to XML, RDF, and OWL. It additionally examines tips to keep watch over unauthorized inferences at the semantic net. seeing that this know-how isn't really absolutely learned, the ebook emphasizes the significance of integrating security measures into semantic Webs on the onset in their improvement. via its expansive insurance, construction reliable Semantic Webs describes how the construction of semantic safeguard criteria will make sure the dependability of semantic Webs. It offers net builders with the instruments they should safeguard delicate details and warrantly the luck of semantic net purposes.
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Additional info for Building Trustworthy Semantic Webs
With respect to standards, organizations such as the World Wide Web Consortium (W3C) and the Organization for the Advancement of Structured Information Standards (OASIS) are developing semantic Web standards. Whereas W3C is focusing entirely on standards for semantic Webs, OASIS standards are mainly based on XML technologies. Also organizations such as the Open Geospatial Consortium (OGC) are developing standards such as Geography Markup Language (GML) for geospatial data management. 4 Trustworthy Information Systems Part I of this book will discuss the supporting technologies for trustworthy semantic Webs.
Work on mandatory security for operating systems started with the Bell and La Padula security model, which has two properties: n The simple security property states that a subject has read access to an object if the subject’s security level dominated the level of the object. 2 Secure systems. n The *-property (pronounced star property) states that a subject has write access to an object if the subject’s security level is dominated by that of the object. Since then, variations of this model as well as a popular model called the noninterference model (see Reference [GOGU82]) have been proposed.
Essentially the technologies of Parts I through V belong to Layers 1 through 5, respectively. 10 Next Steps This chapter has provided an introduction to the book. We first presented a brief overview of the supporting technologies for a trustworthy semantic Web including trustworthy information systems and semantic Webs. Then we discussed secure semantic Webs and dependable semantic Webs. Applications such as semantic Web services and assured information sharing were discussed next. Finally, we discussed specialized semantic Webs.