The volume of spatial data available on the Web has been increasing rapidly. Currently, the Web has been used not only for document searching but also for the provision and use of services, known as Web services, which are published in a directory and may be automatically discovered by software agents. Particularly in the spatial domain, the possibility of accessing these large spatial datasets...

Dynamic spatial modeling addresses computational aspects of space-time process modeling. The types of processes it is meant to deal with are commonly found in Earth and biological sciences, such as hydrology and ecology. Geographical information systems (GIS) are a popular tool for modeling these application areas. A GIS provides spatial data structures, query capability and functions to manipu...

In this paper we present a novel Point-based pattern analysis for predicting Cassiterite (tin-ore) as a secondary mineral deposit in the Plateau Younger Granite Region of Nigeria (PYGR) using statistics, spatial analysis and machine learning techniques. Existing mining data points collected from field survey in the PYGR and the geological map of the region were digitized and converted into shap...

The concept of multifunctional use of marine offshore areas receives increased significance in the light of sustainable development in heavily used marine areas. Here we defined potential areas in the German EEZ for the co-utilization of offshore wind farms and offshore aquaculture applying integrated multi-trophic aquaculture (IMTA) approaches. We combined a geographic information system (GIS)...

In disaster insurance and reinsurance, GIS has been used to visualize and manage geospatial data and to help vulnerability and risk analysis for years. However, hazard insurance is a multidisciplinary issue that involves complex factors and uncertainty. GIS, if used alone, has limited functionality due to poor incorporation of intelligence and spatial statistics. The Spatial Decision Support Sy...

Web services have been developed and deployed for GIS applications. Client-server interaction in such applications is limited by the service provider, such as ArcWeb Service. This paper will discuss the needs from service requester which lead to the exploration on the design and manipulation of Web Service interface. It is likely that GIS Web Service promotes the separation of spatial feature a...

This paper examines and evaluates the application of GIS for cyclone disaster risk management, focusing on observations from a real-time emergency management disaster scenario held in Mackay in far north Queensland, Australia. Results from scenario observations and post-scenario interviews with risk managers highlight the limitations of GIS for real-time disaster planning. Limitations include t...

Introduction Previous research provides only partial evidence about the trends in interorganizational development and sharing of geographic information systems (GIS) and databases, the obstacles and facilitators of interorganizational activities, and the benefits derived from the joint activities. Anecdotal evidence is provided primarily through conference presentations, usually as a discussion...

Lake Débo and Walado Débo, one of the major Sahelian wetlands is located in Inner Delta (Mali). Given the environmental and community interest in this wetland, there is urgent need to share spatial data on natural resources. Most of the covered information is published in (internal) reports with a limited distribution. With the advent of GIS and Internet technologies, the conventional intricaci...

Web GIS (Geographic Information Systems) service systems provide the various GIS services of analyzing and displaying the spatial data with friendly user-interface. But, early systems don’t support open environment and interoperability. It is difficult to access diverse data sources, which provide each spatial data format. And, these systems have the difficult of upgrading the function and redu...