SQL query generation, or semantic parsing

Semantic parsing helps to convert a natural language into SQL queries in order to query a database. The following screenshot shows an example of converting a free text query to a DBpedia database SPARQL query, which is quite similar to SQL:

The preceding visualization shows the query Who is Tom Cruise, converted into a SPARQL query at the bottom. You can experiment with other queries at http://quepy.machinalis.com/.