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半结构化数据视图的增量维护 被引量:4

INCREMENTAL MAINTENANCE FOR VIEWS ON SEMISTRUCTURED DATA
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摘要 讨论了半结构化视图的实体化及增量维护算法 .算法提出一种新的数据结构——绑定树来保存视图在数据库上进行求值的一些信息 ,在数据库进行更新操作时 ,利用绑定树中的信息可以有效地降低计算量和数据的通信量 ,从而达到较高的效率 .同时 ,算法也可以支持各种复杂的半结构化查询的特性 。 In this paper the materialization and incremental maintenance for views on semistructured data are discussed. A new data structure, the bindtree is introduced to record the information for the evaluation of the view on the database. The bindtree can be used to keep the value of the view consistent to the status of the database. It can dramatically reduce the computation time and data transfer.
出处 《计算机研究与发展》 EI CSCD 北大核心 2001年第2期163-169,共7页 Journal of Computer Research and Development
基金 国家自然科学基金资助! (6 99330 10 )
关键词 增量维护 绑定树 数据结构 半结构化数据视图 数据库 OEM, incremental maintenance, bindtree
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参考文献6

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同被引文献39

  • 1吴共庆,陈恩红.一种基于XML的半结构化数据存储方法[J].计算机工程,2004,30(10):57-59. 被引量:11
  • 2蒙德龙,叶飞跃,李旭华.半结构化数据的模式抽取[J].计算机工程与应用,2006,42(27):162-165. 被引量:5
  • 3吕橙,魏楚元,张瀚韬.基于OEM模型的半结构化数据的模式发现[J].计算机工程与应用,2006,42(34):162-165. 被引量:5
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  • 5Jason McHugh, Jennifer Widom. Loor: A Database Management System for Semistructured data [ C ]. SIGMOD Record, 1997 ( 3 ) :54 - 66.
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