Sorry, I only speak natural language: a pattern-based, data-driven and guided approach to mapping natural language queries to SPARQL.
Mariano Rico, Christina Unger, Philipp Cimiano · PUB – Publications at Bielefeld University (Bielefeld University) · 2015
We present a new interface based on natural language to support users in specifying their queries with respect to RDF datasets. The approach relies on a number of predefined patterns that uniquely determine a type of SPARQL query. The approach is incremental and assisted in that it guides a user step by step in specifying a query by incrementally parsing the input and providing suggestions for completion at every stage. The methodology to specify the patterns is informed by empirical distributions of SPARQL query types as found in standard query logs. So far, we have implemented the approach using two patterns only as proof-of-concept. The coverage of the pattern library will be extended in the future. We will also provide an evaluation of the approach on the well-known QALD dataset.