A key point in modern automated data processing is metadata semantics representation. Employing Semantic Web existing features ontologies is a promising option. Ontologies open a novel approach to knowledge representation. The paper presents a GIS (Geographic Information System) domain application illustrating ontological approach to data integration and data processing automation in the specif...

Abstract. User Oriented Geographical Information Systems, a recent adaptation of classical GIS concepts to everyday usage, are becoming more and more present in the web landscape. Recent developments show the need of adding higher semantic levels to the existing frameworks, to improve their usage, as well as to ease scalability. We point out limits of actual examples, related to handling hetero...

Combined research in the fields of Geographical Information Systems (GIS), transportation modelling and traffic systems has in fact finally reached the point where paths should overlap and continue in better unison between these different domains. This paper introduces methodological and experimental results of several integrated projects that include traffic monitoring systems, GIS and several...

The geographical information system (GIS) revolution started in the mid 1980s and has since snread to all countries of the world. A GIS is a comput&software package that is concerned with the capture, storage, manipulation, query, display and analysis of any and all types of geographical information, (BLJRROUGH, 1986; CHORLEY, 1987; LAURINI & THOMPSON, 1992; ESRI, 1993). There are now many diff...

Non-relational databases are the common means of data storage in the Cloud, and optimizing the data access is of paramount importance into determining the overall Cloud system performance. In this paper, we present GAIA, a novel model for retrieving and managing correlated geo-localized data in the cloud environment. We survey and compare the existing models used mostly in Geographical Informat...

Geographic Proximity, Trade and International Conflict/Cooperation This paper examines the interactive effect of distance and trade on international conflict and cooperation. The effect of geographic distance depends on trade, while the effect of trade varies with geographic distance. Trade reduces conflict to a greater extent when dyads are geographically close, but has a greater effect on coo...

This paper discusses concurrency control in distributed geographical database systems. A geographic data server providing transactional services must be designed to handle both longand short-duration transactions. The main challenges are identified as: (1) preserving the isolation property when concurrent transactions perform read and write operations on pages; (2) ensuring that search and othe...

The paper is an overview of the project that is being carried out at the Warsaw University of Technology. The project strives to create a Wikipedia – like system, that will allow people to collaboratively create and edit vector data, especially city maps and plans (instead of text, as in traditional wiki systems, such as Wikipedia) in order to provide communities and businesses an accurate and ...

this study investigates how contextual factors such as culture, geographical location and religious status may either encourage, determine or prevent information seeking behavior. the study applied both qualitative and quantitative methods of data collection as a mixed-method. fifteen catholic clergymen from northern nigeria were interviewed and 109 participated in a survey. findings show that ...