With the continuous improvement of mining technology and equipment in China’s coal mines, number working faces with high-intensity is increasing, area surface damage continues to increase compared previous years. In order ensure safe production protect overall environment area, characteristics overlying rock transmission mechanism were analyzed, forms their negative external influences evaluate...

With the increase of software complexity, security threats faced by are also increasing day day. So people pay more and attention to mining vulnerabilities. Although source code has rich semantics strong comprehensibility, vulnerability been widely used achieved significant development. However, due protection commercial interests intellectual property rights, it is difficult obtain code. There...

According to the current development of cloud computing and limitations of data warehousing and data mining technology, we proposed The intelligent decision supporting technology of cloud-based public data warehouse and gave the principle of the technology, the implementation process, and constraints the key issues of development prospects. The study of this technology can be realized solution ...