: A definition of types in an information system is given from real-world abstractions through data constructs, schema and definitions to physical data values. Category theory su...
B. Nick Rossiter, David A. Nelson, Michael A. Heat...
Information Systems (IS) have a major impact on human activities. They are not only "objects or products" because they directly concern our access to knowledge, our possi...
This paper presents a Multi-agent System and a Methodology to select and to integrate heterogenous and distributed information sources to make recommendations. A set of intrinsic c...
A Grid information system should rely upon two basic features: the replication and dissemination of information about Grid services and resources, and the distribution of such info...
Agostino Forestiero, Carlo Mastroianni, Giandomeni...
While collaboration is a natural choice in many situations, there is a lack of specialized tools for collaboratively seeking information. We present design specifications and impl...