Springer, Lecture Notes in Computer Science, p. 128-144, 2006
DOI: 10.1007/11863939_9
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Landmarks support the structuring of environmental infor- mation into cognitive conceptual units, they have the potential to iden- tify uniquely pertinent intersections for route following, and they disam- biguate spatial situations at complex intersections. Not using them in automatically generated route directions is a violation of cognitive er- gonomics. While we have made great progress on the one hand in char- acterizing and on the other hand in mining potential landmarks, viable data structures that incorporate their cognitive conceptual functions in route directions are poorly developed. The present article closes this gap by providing a representation based on the OpenLS standard that al- lows for capturing the semantics of landmarks. In this data structure, the cognitive conceptual essence of a landmark is represented allowing for generating route directions automatically and imbuing street network data with cognitively meaningful elements.