Natural-Language Spatial Relations Between Linear and Areal Objects: The Topology and Metric of English-Language Terms. - A. Rashid B. M. Shariff; Max J. Egenhofer; David M. Mark (Int. J. Geogr. Inf. Sci., 1998)

Metric Details for Natural-Language Spatial Relations. - Max J. Egenhofer; A. Rashid B. M. Shariff (ACM Trans. Inf. Syst., 1998)