HC-OV (Human-Centred Ontology Verification) SDK

This Java based project allows to create extension plugins for the end-to-end process support platform for human-centred ontology verification hc-ov-core.

Using this SDK four different types of extension-plugins can be provided to the platform:

• Verification Task Plugin: Implementing the interface IVerificationTaskPlugin allows specifying methodology of extracting ontological elements, providing a micro-task user-interface and specifying how to resolve templating variables.
• Context Provider Plugin: Implementing the interface IContextProviderPlugin allows specifying a methodology how to provide contextual information for a set of given ontological elements.
• Crowdsourcing Connector Plugin: Implementing the interface ICrowdsourcingConnectorPlugin allows publishing a verification, retrieving the status of a published verification and retrieving the results of a completed verification on a selected crowdsourcing platform.
• Processor Plugin: Implementing the interface IProcessorPlugin allows to specify a new methodology how to process obtained results.

For a sample set of implemented plugins visit either Pizza hasTopping Restriction Verification Plugins or Mocked Sample Plugins. A prototypical implementation of connecting to Amazon Mechanical Turk can be found at hc-ov-amt-connector.

How to implement a new plugin and include it with the platform:

1. Create a new maven project that includes this project as a dependency
2. Implement the desired plugin interface(s) in a sub-package of at.kk.msc.hcov.plugin*
3. Make sure each plugin implementation is annotated with a Spring Stereotype annotation to ensure the hc-ov-core can load the plugin.
4. Install the project containing the new plugins to a maven repository (e.g. locally by executing mvn clean install in the project directory)
5. Add this project to the dependencies of the hc-ov-core pom.xml
6. Build the hc-ov-core (e.g. locally by executing mvn clean install)
7. The created jar-file includes the implemented plugins and by specifying the correct plugin delimiter in the requested Verification Specification the correct plugin is loaded and executed at runtime.

* If a different package than at.kk.msc.hcov.plugin is used the scanBasePackages of the @SpringBootApplication annotation in the core needs to be adapted. (Found in PlatformCore.java)