National Geographical Organization Scientific- Research Quarterly of Geographical Data (SEPEHR) 2588-3860 15 58 2006 07 23 Access to Comparative Examination of Geographic Information in Electronic Space Access to Comparative Examination of Geographic Information in Electronic Space 2 5 27935 FA Mahdi Modiri Associate Professor of Urban planning, Malek-Ashtar University of Technolog 0000-0003-2739-9421 Journal Article 2006 02 12 In this paper, we use the Theory of Information Sciences and its application in the World Wide Web (WWW) in order to study the ways of access to geographic information. The two main information retrieval systems include data and information retrieval.<br /> A data retrieval system includes retrieval models, indexing, matching and retrieval, linking, sorting, search time and determining the method of search. The main purpose of information retrieval is to match the needs of users to information within the system. GIS retrieval is a combination of data and information retrieval. The language of search uses signs and natural language, automatic indexing of geographical information and standardization of geographic information. Geographic Information Retrieval Systems (GIRS) can be viewed on the World Wide Web (WWW). In this paper, we use the Theory of Information Sciences and its application in the World Wide Web (WWW) in order to study the ways of access to geographic information. The two main information retrieval systems include data and information retrieval.<br /> A data retrieval system includes retrieval models, indexing, matching and retrieval, linking, sorting, search time and determining the method of search. The main purpose of information retrieval is to match the needs of users to information within the system. GIS retrieval is a combination of data and information retrieval. The language of search uses signs and natural language, automatic indexing of geographical information and standardization of geographic information. Geographic Information Retrieval Systems (GIRS) can be viewed on the World Wide Web (WWW). https://www.sepehr.org/article_27935_2da25054a079d631e04b67bb7d7b5bd6.pdf