QA4LOV: A Natural Language Interface to Linked Open Vocabulary

Abstract. There is an increasing presence of structured data due to the adoption of Linked data principles on the web. At the same time, web users have different skills and want to be able to interact with Linked datasets in various manner, such as asking questions in natural language. This paper proposed a first implementation of Query Answering system (QA) applied to the Linked Open Vocabularies (LOV) catalogue, mainly focused on metadata information retrieval. The goal is to provide to end users yet another access to metadata information available in LOV using natural language questions