International Workshop on
Rule Markup Languages for Business Rules
on the Semantic Web
14 June 2002, Sardinia (Italy)
in conjunction with the
First International Semantic Web Conference (ISWC2002)
and hosted by
SIG2 (languages and standards) of the OntoWeb Network
See http://tmitwww.tm.tue.nl/staff/gwagner/RuleML-BR-SW.html
Workshop Description:
The workshop will focus on how rule markup languages, such as RuleML,
will contribute to the vision of the Semantic Web. The Semantic Web
offers a research perspective for automating business processes. Rule
markup languages, that allow to express business rules as modular,
stand-alone units in a declarative way, and to publish them and
exchange them between different systems and tools, will play an
important role for facilitating business-to-customer (B2C) and
business-to-business (B2B) interactions over the Web.
*Derivation rules* can be included in an ontology to define derived
concepts on top of base concepts. In this way, for instance, derived
business terms, such as customer categories, may be defined. Whenever
a rule refers to an incomplete predicate, for which explicit negative
information has to be represented along with ordinary (positive)
information, a second negation, supplementing negation-as-failure,
is needed (as in the formalism of extended logic programs). Using
this negation in the head of a rule, one can express conflicting
rules that may defeat each other. Such a language for *defeasible
rules* is useful to represent business rules allowing for exceptions.
In addition to derivation rules, there is another type of rule which
allows to specify the reactive and communicative behavior of a
system or agent: *Reaction rules* -- in other contexts also called
'event-condition-action (ECA) rules' or 'triggers'. Business rules
that specify the various steps of a business process can be encoded
in the form of reaction rules. A general markup language for business
rules has to accommodate these different types of rules and support
their interoperation.
Important Dates:
Submission deadline: 26 April 2002
Notification: 17 May 2002
Online version: 24 May 2002
Workshop: 14 June 2002
Workshop Co-Chairs:
Michael Schroeder ([EMAIL PROTECTED])
City Univ. London, UK
http://www.soi.city.ac.uk/~msch/
Gerd Wagner ([EMAIL PROTECTED])
Eindhoven Univ. of Technology, NL
http://www.tm.tue.nl/it/staff/gwagner/
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