An Experimental Ontology Server for an Information Grid Environment

Abstract

Semantic web and grid technologies offer a promising approach to facilitate semantic information retrieval based on heterogeneous document repositories. In this paper the authors describe the design and implementation of an Ontology Server (OS) component to be used in a distributed contents management grid system. Such a system could be used to build collection document repositories, mutually interoperable at the semantic level. From the contents point of view, the distributed system is built as a collection of multimedia documents repository nodes glued together by an OS. A set of methodologies and tools to organize the knowledge space around the notion of contents community is developed, where each content provider will publish a set of ontologies to collect metadata information organized and published through a knowledge community, built on top of the OS. These methodologies were deployed while setting up a prototype to connect about 20 museums in the city of Naples (Italy).

An information grid contents management platform for cultural heritage promotion

“…With this type of CMS we could overcome some limitations suffered by the system described in [12]. Where a "cultural heritage knowledge community infrastructure" was build around the use of an ontology to glue distributed document repositories.…”

“…In this approach the Ontology Server provides the knowledge providers the possibility of interacting with heterogeneous and distributed document repositories. From the conceptual point of view the Ontology Server is an important type of servers since it manages the OWL/RDF [9] schema for the stored information, and determines the interactions with the other servers and/or modules, through the ontology exchange protocol [12]. In this scenario the ontology server provides the basic semantic interoperability capabilities to build a knowledge community.…”

A Cooperative and Distributed Content Management System

“…Our work successfully showed that Octapy3 could be used as document repository backend for distributed CMSs, together the central role played by the cooperation middleware on deploying such kind of systems. With this type of CMS we could overcome some limitations suffered by the system described in (Aiello A. et al, 2005), (Aiello A. et al, 2006).…”

eHealth Interoperability with Web-based Medical Terminology Services - A Study of Service Requirements and Maturity

“…Usage and resource monitoring[12]: Terminology servers should track their usage. This can lead to system optimization or detection of intruders.• Resource allocation, distribution and scheduling[12]: Terminology servers should manage their resources in order to fulfill requirements (e.g. increased speed or reduced storage) and provide mechanisms to tune allocation, distribution and scheduling of their resources.…”