This work addresses two common problems in search, frequently occurring with underspecified user queries: the top-ranked results for such queries may not contain documents relevan...
User profiles can be used to identify persons inside a community with similar interests. Folksonomy systems allow users to individually tag the objects of a common set (e.g., web p...
We describe the design and implementation of a trust-management system Soutei, a dialect of Binder, for access control in distributed systems. Soutei policies and credentials are w...
Abstract. In this paper, we present a syntactic method for solving firstorder equational constraints over term algebras. The presented method exploits a novel notion of quasi-solve...
As more information becomes available on the World Wide Web, it has become an acute problem to provide effective search tools for information access. Previous generations of search...