• Visualization of large-scale ontology added, which is accepted by the research track of ISWC 05. It aims at providing holistic view of the classes and instances(currently only RDF(S) is supported).
• Graphic view of individual class and property. Unlike the holistic visualization, graphic view draws the local view of a resource using lines and shapes.
• Mulitple ontology editing supported.
• Improved system architecture and core modules.
• UI improved. Interface for user direct RQML query, and other minor changes such as drag and drop, etc.
• Eclipse 3.0 compatible.

• Tightly integrated into to the Eclipse platform. Ontologies as a kind of resource can be manipulated in any projects.
• Full modularization for flexible extension.
• GUI-based editing and browsing of RDF(S) ontologies.
• Ontologies are stored in databases for reliability and scalability. A very lightweight RDBMS (Hypersonic) is built in so that users do not need to install any DBMS to use Orient. Besides, DB2 8.1 and Cloudscape 5.1 are also supported.
• Import/Export ontologies in W3C RDF(S) standard from/to files.
• Support query and manipulation of RDF(S) ontologies via declarative RQML (RDF Query and Manipulation Language).
• Support RDF(S) inference based on a core subset of the W3C RDF Semnatics entailment rules. The inference is carried out on database to support ontologies of very large scale. Both full and incremental inference is supported.
• Preliminary integration with EMF-based tools (e.g. EclipseUML).

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