id author title date pages extension mime words sentences flesch summary cache txt work_hf2e4ztvcnd2nffwbuqu6amt7q LINDA LILBURNE GIS, expert systems, and interoperability 1997 15 .pdf application/pdf 5159 397 55 Lein, 1992; Leung, 1993; Robinson et al., 1987; Smith and Yiang, 1991; Zhu and A vector class in an expert system, defines the state and behaviour of GIS vector layers. Each object representing a GIS layer inherits a constructor method called inherit a display method which instructs the GIS to draw the object appropriately. SES (Spatial Expert Shell) integrates two commercial products: the GIS ARC/INFO A spatial expert system application can be developed by creating objects belonging to In Figure 4, sub-object soil_1 inherits GIS slots and methods from the object inherits GIS slots and methods from the vector class. processes allows the spatial and knowledge-based functions of the two systems to be object/rule-based expert system shells that support client/server functionality. example, an expert system server can inform a GIS client of the validity of a value, or Integrating GIS and spatial data expert systems with database management and GIS. ./cache/work_hf2e4ztvcnd2nffwbuqu6amt7q.pdf ./txt/work_hf2e4ztvcnd2nffwbuqu6amt7q.txt