Plant-pathogen interactions are an important knowledge domain within plant biotechnology, both scientifically and in economic terms. Unlike other knowledge domains within life sciences, however, semantic technologies have not been used extensively to codify it, therefore, there is a lack of axiomatic models amenable to automated integration and inference. We present the Plant-Pathogen Interacti...

In this paper we investigate the contextualized representation of events. In particular, we re-interpret the formalization of events and situations adopted in the NewsReader Event and Situation Ontology (ESO) according to the notions of context and module proposed in the Contextualized Knowledge Repositories (CKR) framework. This contextualized formalization sets the basis for exploiting logica...

From the perspective of spatial information sharing and interoperation, the concept of geo-ontology has been proposed in this paper. At first, a brief introduction to the Geo-Ontology concept has been described and the hierarchical structure of geo-ontology has also been analyzed. Then, the traditional method of ontology construction has been discussed and the existing problems have also been s...

This paper reports ongoing work on using an ontology as a mechanism to bridge various types of country-based information systems at the Food and Agriculture Organization of the United Nations (FAO). The type of geopolitical information addressed by this work include country international classifications, country names in the five FAO languages (Arabic, Chinese, English, French and Spanish), and...

geopolitical imagination, by definition, is the competition between powers in forming individuals’, institutions’ and political factors’ perception of the characteristics and contents of geographical space, on the basis of their intended interests. in this article, as a case study, the us perception of the :union: of soviet socialist republics during the cold war era is analysed. the authors ar...

The geopolitical importance of the Caspian region does not stem solely from its energy potential. Whether or not the area emerges as a major energy producer, its central geographical location, the considerable potential for regional instability and internal and interstate conflict, and the competition among external powers for influence all suggest that events in the region will shape the balan...