综述了语义Web服务研究背景和国内外研究现状,从行为操作、体系结构和服务本体三个方面详细描述了语义Web服务基础设施模型,研究了当前在开发语义Web服务框架方面的四种主要研究方法:IRS(Internet Reasoning Service)、OWL-S(Web On-tol...综述了语义Web服务研究背景和国内外研究现状,从行为操作、体系结构和服务本体三个方面详细描述了语义Web服务基础设施模型,研究了当前在开发语义Web服务框架方面的四种主要研究方法:IRS(Internet Reasoning Service)、OWL-S(Web On-tology Language for Service)、WSMX(Web Service Execution Environment)和METEOR-S(Managing End-To-End OpeRations-Semantics),并进行了相关的比较分析。结合已有的研究成果,指出了语义Web服务未来的研究方向及其面临的挑战。展开更多
After determining that sulfur is the main mineralizer of ore forming fluid of Ailaoshan gold mineralization belt in west Yunnan Province of China, the S, He and Ar isotope compositions and geological events related to...After determining that sulfur is the main mineralizer of ore forming fluid of Ailaoshan gold mineralization belt in west Yunnan Province of China, the S, He and Ar isotope compositions and geological events related to gold mineralization are studied. It is revealed that the ore forming fluid of the belt is a mixture of high temperature S rich deep seated fluid and low temperature S depleted meteoric groundwater. That the gold mineralization occurred in early Himalayan period resulted dominantly from the mantle degassing which was associated with the crust extension at that time. The forming and evolving process of ore forming fluid can be determined as: S rich deep seated fluid ascended and added to S depleted meteogenic fluid cycling in shallow fracture systems of the belt in early Himalayan period →the S depleted meteogenic fluid converted to the mixing fluid containing sufficient S→gold in surrounding rocks was extracted by the mixing fluid, and then precipitated at a suitable place to form the gold deposits.展开更多
文摘综述了语义Web服务研究背景和国内外研究现状,从行为操作、体系结构和服务本体三个方面详细描述了语义Web服务基础设施模型,研究了当前在开发语义Web服务框架方面的四种主要研究方法:IRS(Internet Reasoning Service)、OWL-S(Web On-tology Language for Service)、WSMX(Web Service Execution Environment)和METEOR-S(Managing End-To-End OpeRations-Semantics),并进行了相关的比较分析。结合已有的研究成果,指出了语义Web服务未来的研究方向及其面临的挑战。
文摘After determining that sulfur is the main mineralizer of ore forming fluid of Ailaoshan gold mineralization belt in west Yunnan Province of China, the S, He and Ar isotope compositions and geological events related to gold mineralization are studied. It is revealed that the ore forming fluid of the belt is a mixture of high temperature S rich deep seated fluid and low temperature S depleted meteoric groundwater. That the gold mineralization occurred in early Himalayan period resulted dominantly from the mantle degassing which was associated with the crust extension at that time. The forming and evolving process of ore forming fluid can be determined as: S rich deep seated fluid ascended and added to S depleted meteogenic fluid cycling in shallow fracture systems of the belt in early Himalayan period →the S depleted meteogenic fluid converted to the mixing fluid containing sufficient S→gold in surrounding rocks was extracted by the mixing fluid, and then precipitated at a suitable place to form the gold deposits.