the present study intended to determine the priority areas for nature-based tourism in isfahan province, iran. considering the components in question, this study was applied-developmental in nature and its methodology was descriptive-survey based on a systematic analysis of the potentials utilization, potential assessment and identification of priority areas and their combination. to carry out ...

Mobile information community develops quickly, as mobile telecommunication technology matches to the third generation. XML-based GIS becomes a global standard and the foundation. Recent developed Geography Markup Language (GML) allows integration of GIS location-based services, telematics, and intelligent transportation systems. In this paper, we propose a tourism information system for support...

A Geographic Information System (GIS) is an electronic information system that analyzes, integrates, and displays information based on geography. GIS systems have powerful visual display capabilities that present the results of analysis on maps on a wide variety of scales, ranging from very large (accurate to within inches) to very small (accurate only in broad overview). GIS is regarded as the...

abstract nowadays, fuzzy technique is used to prepare the map in different sciences, extensively. with due attention to important role of soil fertility in modern agriculture, the preparation of soil fertility map seems to be necessary to plan for appropriate using of fertilizers for crops. this study was conducted to prepare a distinct map for evaluating soil fertility according to soil availa...

By analyzing and comparing the space conception of geography subjects, this paper discusses the space conception of the geographic information system, and points out that the space mathematics basis of the geographic information system has been the mathematics definition of the space conception of GIS. This paper has opened out and demonstrated the space mathematics basis of GIS. The space math...