Effective integration and wide sharing of geospatial data is an important and basic premise
to facilitate the research and applications of geographic information science. However, the …

Integration of data stored in heterogeneous database systems is a very challenging task and
it may hide several difficulties. As NoSQL databases are growing in popularity, integration of …

The growing volume, variety and complexity of data being collected for scientific purposes
presents challenges for data integration. For data to be truly useful, scientists need not only …

Modern large-scale information systems often use multiple database management systems,
not all of which are necessarily relational. In recent years, NoSQL databases have gained …

This paper proposes an ontology-enabled framework for a geospatial problem-solving
environment (geospatial PSE) that allows collaboration among Web-service providers …

Although the fast development of OGC (Open Geospatial Consortium) WFS (Web Feature
Service) technologies has undoubtedly improved the sharing and synchronization of feature …

Open geospatial consortium (OGC) web feature services (WFSs) facilitate feature-level
spatial data sharing over the web. However, OGC WFSs only emphasize technical data …

While significant progress has been made to implement the Digital Earth vision, current
implementation only makes it easy to integrate and share spatial data from distributed …

Although volunteered geographic information (VGI)(voluntarily provided crowd-sourcing
spatial data) applications have proven to be useful for gathering information about a crisis …

Within the GeoKnow project, various tools are developed and integrated which aim to
simplify managing geospatial Linked Data on the web. In this article, we summarize the state …