Search logs, which contain rich and up-to-date information about users' needs and preferences, have become a critical data source for search engines. Recently, more and more ...
We discuss the main features of a multilevel dictionary based on a metamodel approach. The application is an implementation of ModelGen, the model management operator that translat...
Paolo Atzeni, Paolo Cappellari, Philip A. Bernstei...
We propose static program analysis techniques for identifying the impact of relational database schema changes upon object-oriented applications. We use dataflow analysis to extra...
Outsourcing data to third party data providers is becoming a common practice for data owners to avoid the cost of managing and maintaining databases. Meanwhile, due to the populari...
Abstract. In this paper we propose a security architecture and mechanism for Virtual Organizations (VO) for businesses. The VOs we consider are based on web service technology to a...
Florian Kerschbaum, Rafael Deitos, Philip Robinson