A semantic web can be thought of as a web that is highly intelligent and sophisticated and one needs little or no human intervention to carry out tasks such as scheduling appointments, coordinating activities, searching for complex documents as well as integrating disparate databases and information systems. While much progress has been made toward developing such an intelligent web, there is still a lot to be done. For example, there is little work on security and privacy for the semantic web. However, before we examine security for the semantic web we need to ensure that its key components, such as web databases and services, are secure. This paper will mainly focus on security and privacy issues for web databases and services. Finally, some directions toward developing a secure semantic web will be provided.
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