security in semantic web

this paper discusses on security issues of semantic web for query -answering dialogs it emphasizes that the current security model of document based web lacks necessary abilities to respond to a web of connected concepts the proposed solution is a two layer approach for including security measures at the top layer queries are filtered out for simple security constrints the second layer lays inside the inference engine which prevents traversing over some concepts and relationships during a query processing.

Keywords:

semantic web security , semantic web , OWL-QL , description logic