Spatial queries with qualitative locations in spatial information systems

Xiaobai Yao, Jean-Claude Thill
2006 Computers, Environment and Urban Systems  
We discuss locations as defined by their qualitative spatial relations to other features, dubbed qualitative locations (QL). We further propose a mechanism to handle queries with qualitative locations in geospatial information systems. For the realization of the mechanism for QL-based queries, we propose a conceptual framework that takes advantage of models of qualitative spatial reasoning to bridge the gap between conventional metric spatial information systems and the general publicÕs
more » ... ense query of spatial relations in natural language.
doi:10.1016/j.compenvurbsys.2004.08.001 fatcat:5vdxnwwi6zcujhxb2lra7tuktm