A PDF Storage Backend for Protégé
نویسنده
چکیده
Protégé is a successful environment for editing ontologies and knowledge bases. In Protégé, there are several tab-level extensions available to ontology developers, which add to the user-interface of Protégé [4]. However, there are few alternatives for storing ontologies and knowledge bases. Currently, Protégé stores ontologies and knowledge bases as files or tables in relational databases. The file storage consists of a group of separate files; that is, a project file (with the .pprj extension) and files for classes and instances (individuals). Some storage formats combine classes and instances in a single file. The advantage of using several files for storage is that the files can be used directly by other applications, such as applications processing instances only. The advantage of a single storage file is that it simplifies file management, such as renaming and copying. Furthermore, it might be easier for novice users to handle single-file storage than to manage multiple files.
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