This paper is concerned with the application of Web services to distributed, cross-organizational business processes. In this scenario, it is crucial to answer the following questi...
XACML has emerged as a popular access control language on the Web, but because of its rich expressiveness, it has proved difficult to analyze in an automated fashion. In this pape...
This paper describes a method to analyze the history of hypermedia collections. We gathered information about documents using the Internet Archive’s Wayback Machine. Analysis fo...
Recent work on modeling the web graph has dwelt on capturing the degree distributions observed on the web. Pointing out that this represents a heavy reliance on "local" p...
With more and more large networks becoming available, mining and querying such networks are increasingly important tasks which are not being supported by database models and query...