Development and Evaluation of an Operational Service Robot Using Wikipedia-Based and Domain Ontologies

Recently, the use of service robots has increased considerably and their social contribution is expected. It is desirable that a robot, as a provider of operational information, can answer questions in both the open domain and intended operations, to respond to questions in a manner that satisfies users. This paper proposes a question answering system that can respond to questions in both intended operations and open domain by linking an ontology, which is semi-automatically built from Wikipedia (Wikipedia-based ontology), with a domain ontology.