Andreas D. Blaser Papers on DiSC'04 Query Pre-processing of Topological Constraints: Comparing a Composition-Based with Neighborhood-Based Approach Publications Note: Links lead to the DBLP on the Web. Andreas D. Blaser M. Andrea Rodríguez , Max J. Egenhofer , Andreas D. Blaser: Query Pre-processing of Topological Constraints: Comparing a Composition-Based with Neighborhood-Based Approach. SSTD 2003 : 362-379 Andreas D. Blaser, Max J. Egenhofer : A Visual Tool for Querying Geographic Databases. Advanced Visual Interfaces 2000 : 211-216 Andreas D. Blaser: User Interaction in a Sketch-Based GIS User Interface. COSIT 1997 : 505 1 [ 2 ] [ 3 ] 2 [ 3 ] ©2005 Association for Computing Machinery