![]() The Web interface also facilitates community-based participation in the evaluation and evolution of ontology content by providing features to add notes to ontology terms, mappings between terms and ontology reviews based on criteria such as usability, domain coverage, quality of content, and documentation and support. BioPortal functionality includes the ability to browse, search and visualize ontologies. BioPortal () is an open repository of biomedical ontologies that provides access via Web services and Web browsers to ontologies developed in OWL, RDF, OBO format and Protege frames. Using Protege, developers and domain experts can easily build effective knowledge-based systems, and researchers can explore ideas in a variety of knowledge-based domains.read more read lessĪbstract: Biomedical ontologies provide essential domain knowledge to drive data integration, information retrieval, data annotation, natural-language processing and decision support. We believe that our success is one of infrastructure: Protege is a flexible, well-supported, and robust development environment. We describe our overall methodology, our design decisions, and the lessons we have learned over the duration of the project. In this paper, we follow the evolution of the Protege project through three distinct re-implementations. The current version, Protege-2000, can be run on a variety of platforms, supports customized user-interface extensions, incorporates the Open Knowledge-Base Connectivity (OKBC) knowledge model, interacts with standard storage formats such as relational databases, XML, and RDF, and has been used by hundreds of individuals and research groups. From this initial tool, the Protege system has evolved into a durable, extensible platform for knowledge-based systems development and research. The original tool was a small application, aimed at building knowledge-acquisition tools for a few specialized programs in medical planning. Free shipping offers only apply to the continental US.Abstract: The Protege project has come a long way since Mark Musen first built the Protege meta-tool for knowledge-based systems in 1987.
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