Semantic aware
Grid services
Grid aware
Semantic services
Resource brokering
Resource selection & scheduling
Workflow and schedule repair
Semantic interoperability and integration
Quality of service and service level agreement management
Ontologies for service classification
Scaleable service composition for heterogeneous environments
Knowledge Representation for Semantic Grid Services
Knowledge-based provenance and audit trails
Semantics in Agent Communication Languages
Semantics for service delegation and knowledge aggregation
Architectures for supporting Semantic Grid Services
Semantic Grid security and trust policies, management and frameworks
Service enactment/invocation frameworks
Service Negotiation
Naming
Audit trails over transient state
New models for fault tolerance and dependability
Models for quality and accessibility of data sources, incl. versioning, recoverability, etc.
(Semantic) Service state
Virtualisation and provisioning of knowledge service
(Semantic) event
notification
Lifetime management
Ontologies that support service descriptions

Semantic interoperability and integration
Semantic description, discovery, and selection of services
Rules within Semantic Web Services
Scalable solutions to naming, accessing, discovering, defining, and maintaining Grid entities;
Definition of a semantically rich meta-data model that supports the integration of data from heterogeneous sources;
Definition of dynamic and reactive co-ordination and orchestration mechanisms or paradigms using languages, models or frameworks;
Architectures and standards for metadata and agents representing the user;
Agents and brokers and the metadata to control and parameterise them;
Exploration of languages and models to assist in reasoning about security and trust properties, rather than simply the implementation of static policies;
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