Recently, Twitter as one of social networks has been considered as a rich source of spatio-temporal information and significant revenue for mining data. Event detection from tweets can help to predict more serious real-world events. Such as: criminal events, natural hazards, and the spread of...

Public sector organizations are important producers of the core geographic information (GI). Data sharing is aggravated by e.g. highly varying policies to sharing and pricing the data. For instance, since the governmental data producer sets the price level high, it seems to restrict innovative...

Theoretical as well as practical experiences of analyses confirmed that spatial processes of the diffusion of information and communication (ICT) technologies largely influenced the economy and society of the 21st century. In the last couple of years, a new motive of ICT-based inequalities...

The purpose of this article is to investigate the personal motives for participation in formal standardization processes for geographic information. The method involved interviewing members of technical committees at the Swedish Standards Institute, SIS. The results are that the majority of the...

This paper reports the findings of a survey in 2009 of European practitioners who face problems related to accessing and using spatial data when preparing reports for Environmental Impact Assessments (EIAs) and Strategic Environmental Assessments (SEAs). The survey was designed to be comparable...

Purpose – There is an open discussion in the geographic information community about the use of digital libraries or search engines for the discovery of resources. Some researchers suggest that search engines are a feasible alternative for searching geographic web services based on anecdotal...

Geographic information represents, within the European Policy for Geographic Information a complex part of information society which changes continously and which has a wide range of applicability. This can be groupped into two categories: spatial, geographic information and descriptive,...

The necessity to attach complex information to these graphic entities as well as the possibility to make descriptive and graphic operation analysis on these items caused the GIS systems to take another direction from the CAD system simplifying the graphic representation of these entities and...