http://scholars.ntou.edu.tw/handle/123456789/19964
DC Field | Value | Language |
---|---|---|
dc.contributor.author | 黃治中 | en_US |
dc.contributor.author | 簡伯先 | en_US |
dc.contributor.author | 張雅惠 | en_US |
dc.date.accessioned | 2022-01-18T08:12:04Z | - |
dc.date.available | 2022-01-18T08:12:04Z | - |
dc.date.issued | 2009 | - |
dc.identifier.uri | http://scholars.ntou.edu.tw/handle/123456789/19964 | - |
dc.description.abstract | ―XML 資料的查詢處理,已經是重要的研究議 題,而針對分群運算的處理,目前也受到大家的重視。先 前研究所提出的作法,必需要輸入整份 XML 文件。而本 論文提出的處理方式,則設計內容索引,快速地將元素分 群,再利用主實體索引,將該群的資料取出。實驗結果顯 示,當分群或輸出的運算式數量較少時,我們的系統會比 先前的研究所提出的方法有著更佳的效率。XML query processing has become an important research issue, and many researches now focus on the functionality of group-by expressions. Previous researches need to process the entire XML document. We propose a new method in this paper based on indices. The value index is designed to efficiently identify the group of each element, and the master-entity index is designed to efficiently retrieve the required data for a particular group. We have performed a series of experiments, and the results show that the proposed method is more efficient than the existing ones when the grouping or return expressions are few. | en_US |
dc.language.iso | zh | en_US |
dc.subject | XML | en_US |
dc.subject | 分群運算 | en_US |
dc.subject | 查詢處理 | en_US |
dc.subject | 索引 | en_US |
dc.subject | XML | en_US |
dc.subject | grouping | en_US |
dc.subject | query processing | en_US |
dc.subject | index | en_US |
dc.title | XML資料分群之查詢處理設計 | en_US |
dc.title.alternative | Efficient Group-by Query Processing for XML data | en_US |
dc.type | conference paper | en_US |
dc.relation.conference | 第2009屆 全國計算機會議論文集 | en_US |
dc.relation.conference | NCS | en_US |
dc.relation.conference | 台北土城 | en_US |
item.cerifentitytype | Publications | - |
item.openairetype | conference paper | - |
item.openairecristype | http://purl.org/coar/resource_type/c_5794 | - |
item.fulltext | no fulltext | - |
item.grantfulltext | none | - |
item.languageiso639-1 | zh | - |
crisitem.author.dept | College of Electrical Engineering and Computer Science | - |
crisitem.author.dept | Department of Computer Science and Engineering | - |
crisitem.author.dept | National Taiwan Ocean University,NTOU | - |
crisitem.author.orcid | 0000-0002-7865-9919 | - |
crisitem.author.parentorg | National Taiwan Ocean University,NTOU | - |
crisitem.author.parentorg | College of Electrical Engineering and Computer Science | - |
Appears in Collections: | 資訊工程學系 |
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