My Experience in Building the CoBrA Eclipse Viewer Harry Chen eBiquity Meeting 2004-03-10

Eclipse is many things in one! It’s an open source project It’s an open community It’s a platform for tool integration It’s a technology for building reusable and extensible software It’s a Java IDE

Eclipse & CoBrA Why am I interested in Eclipse? Need a GUI for monitoring and browsing the internal process of the Broker Extensible Cross-platform (Windows, Mac, Linux) Familiar user interface and widgets Easy to install and patch updates JSP/Servlets & Java Swing -- no good!

Some Eclipse Vocabularies Eclipse Plug-in: a modular component that contributes certain functionality to the platform Eclipse Plug-in Feature: a special plug-in that a developer creates to enable “one-click” install/update of his own plug-in contribution

Local Toolbar View Perspective

CoBrA Eclipse Viewer (CEV) A tool for browsing the knowledge and policy that are stored in the Context Broker and for monitoring the reasoning process of the Broker. It can be used as a stand alone application for browsing OWL ontology documents or models. Inspired by the Java Spider application http://www.javaspider.org/

Demo ...

Few words about Eclipse Why should you be interested in the Eclipse? For the researchers, it’s a great tool for building professional looking GUI front end For the students, it’s a hot skill to put on your resumes. Eclipse is HOT… (Mozilla, Sun, SemWeb central and more..)

Few more words about Eclipse The learning curve is not short… Requires a good understanding of the design patterns Requires some experience in Java Swing and GUI development Know how thread works, actions, listeners. A key skill: Monkey See, Monkey Do

Links… http://cobra.umbc.edu/ http://www.eclipse.org/