In the last 30 years, China’s economic power has experienced great changes and has brought about a profound impact on the world economy. This led us to ask a question: do changes in China’s economic power shift the geo-economic relationships between China and its neighboring countries? To answer this question, we researched the evolution of geo-economic relationships between China and the Assoc...

Geographic information services (geo-services) are gaining popularity as an efficient and costeffective framework for integrating geo-information systems, within and between enterprises, to enhance enterprise business processes. Geo-services can be chained dynamically to create customised geo-information and value-added services and therefore offer a business opportunity for disparate partners ...

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...

Various studies are being conducted on alloying materials for mechanical engineering with various unique elements. In particular, have been to improve its properties by including elements such as lithium, zirconium, ytterbium, and erbium in the composition of aluminum alloy. The article examines change wear resistance ability alloys aluminum-silicon aluminum-copper systems germanium oxide based...