Saravanan Muthaiyah

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This paper addresses the specification of a security policy ontology framework to mediate security policies between virtual organizations (VO) and real organizations (RO). The goal is to develop a common domain model for security policy via semantic mapping. This mitigates interoperability problems that exist due to heterogeneity in security policy data(More)
Stock market prediction is an attractive research problem to be investigated. News contents are one of the most important factors that have influence on market. Considering the news impact in analyzing the stock market behavior, leads to more precise predictions and as a result more profitable trades. So far various prototypes have been developed which(More)
Data heterogeneity in the public sector is a serious problem and remains to be a key issue as different naming conventions are used to represent similar data labels. The e-government effort in many countries has provided a platform for government entities and their business partners to exchange data through Information Communication Technologies (ICT) and(More)
A FRAMEWORK AND METHODOLOGY FOR ONTOLOGY MEDIATION THROUGH SEMANTIC AND SYNTACTIC MAPPING Saravanan Muthaiyah, Ph.D. George Mason University, 2008 Dissertation Director: Dr. Larry Kerschberg Ontology mediation is the process of establishing a common ground for interoperability between domain ontologies. Ontology mapping is the task of identifying concept(More)
Agent ontology systems interact with other agents via automated service discovery to share data and provide services on-the-fly. Resources need to be annotated with meta-data so that they can be correctly discovered and invoked. Ontologies provide shared conceptualization of a domain but it's not easy for everyone to agree on the same ontology for a domain.(More)
Recent disasters proved that despite past experiences and strong disaster management mechanism in disaster-prone countries, life and property losses are still inevitable. Our proposition that is disaster preparedness efforts need more prudent solution in order to reduce life and property losses. This paper investigates the perception of community on the(More)