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Proceedings 18th International Conference on Data Engineering最新文献

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XParent: an efficient RDBMS-Based XML database system 一个高效的基于rdbms的XML数据库系统
Proceedings 18th International Conference on Data Engineering Pub Date : 1900-01-01 DOI: 10.1109/icde.2002.994745
Haifeng Jiang, Hongjun Lu, Wei Wang, Jeffrey Xu Yu
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引用次数: 1
Active XQuery 活跃的XQuery
Proceedings 18th International Conference on Data Engineering Pub Date : 1900-01-01 DOI: 10.1109/ICDE.2002.994754
A. Bonifati, S. Paraboschi
{"title":"Active XQuery","authors":"A. Bonifati, S. Paraboschi","doi":"10.1109/ICDE.2002.994754","DOIUrl":"https://doi.org/10.1109/ICDE.2002.994754","url":null,"abstract":"Besides being adopted as the new interchange format for the Internet, XML is finding increasing acceptance as a native data repository language. In order to make XML repositories fully equipped with data management capabilities, suitable query and update languages are being developed. However, once the user is allowed to perform updates, it is perceivably necessary to guarantee the correctness of his/her updates, especially if document validity or semantic constraints are violated. We address this problem by exploiting the well-grounded concept of active rules. In this paper, we propose Active XQuery, an active language for XML repositories that is based on a previously defined XQuery update model. In particular, we present the syntax and semantics of our language, aiming at emulating the trigger definition and execution model of SQL3. An active extension of XQuery results in nontrivial problems, related to the need of interleaving updates and triggers. These problems have led us to define an algorithm for update reformulation and to devise a compact semantics. In conclusion, the paper presents an architecture for rapid prototyping, and considers optimization and research issues.","PeriodicalId":191529,"journal":{"name":"Proceedings 18th International Conference on Data Engineering","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124994974","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 89
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