Ontology Annotation Services
· A package of services enabling the creation and storage of annotations based on formal vocabularies defined in ontologies.
Download JD-GUI to open JAR file and explore Java source code file (.class .java)
Click menu "File → Open File..." or just drag-and-drop the JAR file in the JD-GUI window oas-parent-1.2.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.