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record-block
相关语句
  记录块
     The Movement of Foxbase~+ Record - Block
     FOXBASE~+数据库记录块的移动
短句来源
  相似匹配句对
     From Record to Documentation
     从展示到纪录
短句来源
     Record Company Sites
     网罗唱片公司
短句来源
     Record Principle of CD-R
     CD-R记录原理
短句来源
     Digital Video-record Techniques
     数字录象技术
短句来源
     Block and Z.
     B lock和Z.
短句来源
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In the method of multi table and multi record for main memory management, the paper introduces the means to allow users to define the space of working area and tables in main memory by users. The system will allocate the maximum space and the number of tables, if users abandon the definition. The method presents one time processing technique for a record block including the multi record, that means the system takes the block as a unit to process and interchange data between main memory and disk. Experiments...

In the method of multi table and multi record for main memory management, the paper introduces the means to allow users to define the space of working area and tables in main memory by users. The system will allocate the maximum space and the number of tables, if users abandon the definition. The method presents one time processing technique for a record block including the multi record, that means the system takes the block as a unit to process and interchange data between main memory and disk. Experiments have proved that this method can reduce the time of tables swap, records swap and unnecessary computations and examinations, increase the access efficiency of sequential and random operations.

本文提出了以表工作区为主的多表多记录的存储管理方法。该方法允许用户自行定义表工作区大小和内存中表的大小,如果用户把控制权交给系统,系统将为用户安排最大可能的表工作区和最多的进入内存的表个数。对表中N个记录实现了多记录一次处理,即系统以具有N个记录块为单位进行数据处理和I/O数据交换。实践证明:该方法可以减少表切换、记录切换和不必要的重复计算所花费的时间,提高顺序操作和随机操作的存取效率

Present a new method for automatically extracting Search Result Records(SRRs) and Subsequent Result Page Links(SRPLs) from a search engine's response page.Compare the similarity of nodes on the HTML tags tree of a valid response page to recognize Candidated Records Blocks(CRBs).And recognize SRRs and SRPLs form CRBs based on several heuristic rules.Then building wrapper for them using their location on tags tree.Experiments and comparison with other methods show that the methed is useful and efficient.

提出一种从搜索引擎返回结果页面上自动抽取结果记录及后续页面链接信息并生成Wrapper的方法:对于一个有效的结果页面,通过比较其HTML标签树上节点的相似度从而识别出潜在记录块,利用启发式规则从潜在记录块中将结果记录块和后续页面链接分别识别出来,然后利用其在标签树上的位置信息分别构造Wrapper。实验结论及与已有方法的比较表明,该方法简单可行且高效。

 

 


 
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