Their role
is to ???traverse??? the repository to find outdated and incomplete tokens and request
new/additional ones to be generated to update/complete information stored in the
Figure 5. Statechart of the IA
Ganzha, Gawinecki, Paprzycki, G?…siorowski, Pisarek, and Hyska
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repository. To achieve this goal DMAs generate a configuration file of an appropriate
WA and send them to the CA for processing. In the future DMAs will be
responsible for complete management of tokens stored in the repository to assure
their completeness, consistency, and freshness.
The PIA consists of a manager and a number of ???RDF subagents??? (PIA workers in
Figure 6). Each of these subagents represents one or more of simple rules of the
type ???Irish pub is also a pub??? or ???Japanese food is Oriental food.??? These rules are
applied to the set of RDF triples returned by the initial query. Rule application involves
querying the repository and is expected to expand the result set (e.
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