Double talk
This event took place on Wednesday 20 August 2008 at 11:30
Dr Barry Norton Solutions Architect, Ontotext
Barry Norton, Ontology-based Behavioural Semantics for Business Processes
We present the Business Process Modelling Ontology, developed in the SUPER project, and a Behavioural Reasoning Ontology which confers process algebraic behavioural semantics on processes via ontology-based rules. This is based on previous work on giving compositional process algebraic semantics to the OWL-S process model, which led to the Cashew process model developed in the DIP project. As there the emphasis is on judging behavioural equivalences; on-going work concerns making such judgements via ontology-based reasoning.
Monika Solanki, Imperial College London: Towards Verifying Compliance in Agent-based Web Service Compositions
We explore the problem of specification and verification of compliance in agent based Web service compositions. We use the formalism of temporal-epistemic logic suitably extended to deal with compliance/violations of contracts. We illustrate these concepts using a motivating example where behaviours of participating agents are governed by contracts. The composition is specified in OWL-S and mapped to our chosen formalism. Finally we use an existing symbolic model checker to verify the example specification whose state space is approx 2^21 and discuss the experimental results.
This event took place on Wednesday 20 August 2008 at 11:30
Barry Norton, Ontology-based Behavioural Semantics for Business Processes
We present the Business Process Modelling Ontology, developed in the SUPER project, and a Behavioural Reasoning Ontology which confers process algebraic behavioural semantics on processes via ontology-based rules. This is based on previous work on giving compositional process algebraic semantics to the OWL-S process model, which led to the Cashew process model developed in the DIP project. As there the emphasis is on judging behavioural equivalences; on-going work concerns making such judgements via ontology-based reasoning.
Monika Solanki, Imperial College London: Towards Verifying Compliance in Agent-based Web Service Compositions
We explore the problem of specification and verification of compliance in agent based Web service compositions. We use the formalism of temporal-epistemic logic suitably extended to deal with compliance/violations of contracts. We illustrate these concepts using a motivating example where behaviours of participating agents are governed by contracts. The composition is specified in OWL-S and mapped to our chosen formalism. Finally we use an existing symbolic model checker to verify the example specification whose state space is approx 2^21 and discuss the experimental results.
Future Internet
KnowledgeManagementMultimedia &
Information SystemsNarrative
HypermediaNew Media SystemsSemantic Web &
Knowledge ServicesSocial Software
Social Software is...
Interacting with other people not only forms the core of human social and psychological experience, but also lies at the centre of what makes the internet such a rich, powerful and exciting collection of knowledge media. We are especially interested in what happens when such interactions take place on a very large scale -- not only because we work regularly with tens of thousands of distance learners at the Open University, but also because it is evident that being part of a crowd in real life possesses a certain 'buzz' of its own, and poses a natural challenge. Different nuances emerge in different user contexts, so we choose to investigate the contexts of work, learning and play to better understand the trade-offs involved in designing effective large-scale social software for multiple purposes.
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