There are two versions of the NLmaps corpus. NLmaps (v1) and its extension NLmaps v2. Both versions of the NLmaps corpus consist of questions about geographical facts that can be answered with the OpenStreetMap (OSM) database (available under the Open Database Licence). The questions are in English and have a corresponding Machine Readable Language (MRL) parse. Gold answers can be obtained by executing the gold parses against the OSM database using the NLmaps backend, which is based on the Overpass-API (available under the Affero GPL v3).

Source: NLmaps


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