CAJ | 학술논문

时态XML数据操作的基本途径是相应时态索引模式，而时间信息与结构信息的整合协同是涉及索引效率的关键技术。该文研究了一种基于时态拟序和时态编码协调的时态XML快照索引Txmlsindex，实现了“一次一集合”的时态数据查询和基于Tcodes编码的结构信息重置；比较评估Txmlsindex的可行性与有效性；提出的技术框架和索引模式还可拓展到时态XML的一般查询过程当中。
시태XML수거조작적기본도경시상응시태색인모식，이시간신식여결구신식적정합협동시섭급색인효솔적관건기술。해문연구료일충기우시태의서화시태편마협조적시태XML쾌조색인Txmlsindex，실현료“일차일집합”적시태수거사순화기우Tcodes편마적결구신식중치；비교평고Txmlsindex적가행성여유효성；제출적기술광가화색인모식환가탁전도시태XML적일반사순과정당중。
Temporal index schema is a basic approach for temporal XML data operation and it is critical for impro-ving the efficiency of indexes of the cooperative integration between temporal information and structural information. Based on temporal quasi-order and temporal coding, a temporal XML Snapshot index, Txmlsindex, which imple-ments querying with“one time one set” and reconstructs structure with coding Tcodes is studied.Besides, the re-lated simulations show that the feasibility and effectiveness of Txmlsindex are superior to the literature.The techno-logical frame and index schema of this paper can be expanded to normal query process of temporal XML.