An Open-Ended Web Knowledge Retrieval Framework for the Household Domain With Explanation and Learning Through Argumentation

Alexandros Vassiliades, Nick Bassiliades, Theodore Patkos and Dimitris Vrakas
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Alexandros Vassiliades: School of Informatics, Aristotle University of Thessaloniki, Greece
Nick Bassiliades: School of Informatics, Aristotle University of Thessaloniki, Greece
Theodore Patkos: Institute of Computer Science, Foundation for Research and Technology, Greece
Dimitris Vrakas: School of Informatics, Aristotle University of Thessaloniki, Greece

International Journal on Semantic Web and Information Systems (IJSWIS), 2022, vol. 18, issue 1, 1-34

Abstract: The authors present a knowledge retrieval framework for the household domain enhanced with external knowledge sources that can argue over the information that it returns and learn new knowledge through an argumentation dialogue. The framework provides access to commonsense knowledge about household environments and performs semantic matching between entities from the web knowledge graph ConceptNet, using semantic knowledge from DBpedia and WordNet, with the ones existing in the knowledge graph. They offer a set of predefined SPARQL templates that directly address the ontology on which their knowledge retrieval framework is built and querying through SPARQL. The framework also features an argumentation component, where the user can argue against the answers of the knowledge retrieval component of the framework under two different scenarios: the missing knowledge scenario, where an entity should be in the answers, and the wrong knowledge scenario, where an entity should not be in the answers. This argumentation dialogue can end up in learning a new piece of knowledge when the user wins the dialogue.

Date: 2022
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