Conclusion and future work
In this paper, we proposed a framework for a semantic question-answering system for Thailand tourism information. Our proposed system focuses on mapping expressions in Thai natural language into ontology query language (SPARQL). The proposed method first constructs a set of patterns from a tagged corpus containing both domain-dependent and domainindependent lexicons. The derived patterns are then converted into relevant SPARQL queries.We performed an experiment on a case study regarding accommodation information requests.Our experiment results showed that some features such as place, accommodation type, price,and number of people staying can be extracted from the natural language query and easily converted into corresponding SPARQL queries.However, in some cases such as the description
of accommodation condition are more difficult to extract. For future work, we plan to apply some rule base and inference engine to help derive answers to the user.