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针对起源记录在Web应用中的表达和查询服务问题,对研究所涉及的主要概念进行辨析,在深入解析Web应用中起源记录的定位、传递模式、实现途径和实现模式的基础上归纳总结出Web应用中起源元数据的四类定位发现机制与两类查询机制。结合语义标注Web页面和溯源信息表达技术,采用在线论文追溯案例,实现包含RDFa起源记录的HTML页面显示并通过可视化方式揭示起源,最后对案例中的查询服务问题进行探讨。
According to the problem of the expression and query service of origin record in Web application, this paper analyzes the main concepts involved in the research, and based on the analysis of the location, transmission mode, realization way and implementation mode of origin record in Web application, Four Locating Discovery Mechanisms and Two Types of Query Mechanisms for Originating Metadata in Applications. Combined with the semantic annotation Web page and traceability information expression technology, this paper adopts online essay retrospective case to display the HTML page containing RDFa origin record and reveal the origin through visualization. Finally, the inquiry service in case is discussed.