Using qualitative spatial logic for validating crowd-sourced geospatial data
Du, Heshan and Nguyen, Hai Hoang and Alechina, Natasha and Logan, Brian and Jackson, Mike and Goodwin, John (2015) Using qualitative spatial logic for validating crowd-sourced geospatial data. In: Innovative Applications of Artificial Intelligence (IAAI-15), 25-29 Jan 2015, Austin, Texas, USA.
We describe a tool, MatchMaps, that generates sameAs and partOf matches between spatial objects (such as shops, shopping centres, etc.) in crowd-sourced and authoritative geospatial datasets. MatchMaps uses reasoning in qualitative spatial logic, description logic and truth maintenance techniques, to produce a consistent set of matches. We report the results of an initial eval- uation of MatchMaps by experts from Ordnance Survey (Great Britain’s National Mapping Authority). In both the case studies considered, MatchMaps was able to correctly match spatial objects (high precision and recall) with minimal human intervention.
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