A Context-Aware Approach for the Spatial Data Infrastructure Portal

Zahra Rezaee¹, Mohammad Reza Malek²

¹Department of Environment and Energy, Science and Research Branch, Islamic Azad University, Tehran, Iran.
²Department of GIS, Faculty of Geodesy and Geomatics Engineering, K.N. Toosi University of Technology, Tehran, Iran.

DOI: 10.4236/ijg.2015.61006                

Abstract

The infrastructure of most of the practical and construction activity in communities is based on correct understanding and proper use of spatial data in GIS¹ and SDI². Optimal and efficient use of infrastructure systems of the spatial data by users, depends on how to search and access of user to proper and desired data among informative sources of various organizations. Search operation and access of users to various information of multiple sources located on Spatial Data Infrastructure Network is confusing and time-consuming due to diversity and relatively high volume of spatial information. Because there are numerous classes and subclasses of various complications on the pattern of SDI, unaware user to the pattern may be confused in select displaying the proper spatial layer. In optimum condition, the user should have access to the appropriate data type based on his status and task and environmental conditions. Making intelligent Graphical User Interface by inference based on task information user and his expertise, the appropriate information and consistent with conditions will be achieved. Selecting and displaying of spatial layers related to the technical-organizational approach of system user provides him special assistance both in terms of filtering the irrelevant data and speed of operation in access optimal information than non-selective displaying state. For this purpose, designing and employment context-aware techniques in servicing user interface of system based on recognition of the technical expertise of the user can be a good solution in data adaptive displaying and context-aware servicing to users.

Keywords

SDI, Context-Aware, Web Catalog Service, Web Map Service

Conflicts of Interest

The authors declare no conflicts of interest.

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