This work faces the problem of web service selection and composition, discussing the advantages that derive from the inclusion, in a web service declarative description, of the hi...
Matteo Baldoni, Cristina Baroglio, Alberto Martell...
FreshML extends ML with constructs for declaring and ting abstract syntax trees that involve names and statically scoped binders. It is impure: name generation is an observable si...
In defining large, complex access control policies, one would like to compose sub-policies, perhaps authored by different organizations, into a single global policy. Existing po...
In this paper we introduce a logical query language extended with object-oriented typing facilities. This language, called DTL (from DataTypeLog), can be seen as an extension of Da...
In [7] Maria I. Sessa extended the SLD resolution principle with the ability of performing approximate reasoning and flexible query answering. The operational mechanism of similar...