We discuss the de nition of keys for XML documents, paying particular attention to the concept of a relative key, which is commonly used in hierarchically structured documents and...
Peter Buneman, Susan B. Davidson, Wenfei Fan, Carm...
This paper presents modeling concepts and mechanisms of the Agent Modeling Language (AML) to model social aspects of multiagent systems. The modeling of structural, behavioral as w...
concerns, abstraction (particularly hierarchical abstraction), simplicity, and restricted visibility (locality of information). The overall goal behind these principles was stated ...
This paper gives a theoretical framework for clustering a set of conceptual graphs characterized by sparse descriptions. The formed clusters are named in an intelligible manner thr...
We propose a formal model of trust informed by the Global Computing scenario and focusing on the aspects of trust formation, evolution, and propagation. The model is based on a no...