This paper presents PrivacyGrid - a framework for supporting anonymous location-based queries in mobile information delivery systems. The PrivacyGrid framework offers three unique...
: We present a new dynamic hashedfile organization that solvesmostproblems associatedwith the directory of the grid file proposed by Nievergelt et al. Our schemeis a multilevel ext...
Deductive Databases are coming of age with the emergence of efficient and easy to use systems that support queries, reasoning, and application development on databases through dec...
A range-sum query is very popular and becomes important in finding trends and in discovering relationships between attributes in diverse database applications. It sums over the se...
: Complex software systems, like operating systems and middleware, have to cope with a broad range of requirements as well as strict resource constraints. Family-based software dev...