论文:2014,Vol:32,Issue(6):899-905
引用本文:
卢成浪, 刘明雍, 吴宗大, 张钰凡. 有效多媒体查询代数的设计与实现[J]. 西北工业大学学报
Lu Chenglang, Liu Mingyong, Wu Zongda, Zhang Yufan. Design and Implementation of an Effective Multimedia Algebra[J]. Northwestern polytechnical university

有效多媒体查询代数的设计与实现
卢成浪1,2, 刘明雍1, 吴宗大2, 张钰凡3
1. 西北工业大学 航海学院, 陕西 西安 710072;
2. 温州大学 瓯江学院, 浙江 温州 325035;
3. 西北工业大学 自动化学院, 陕西 西安 710072
摘要:
为了实现对UMQL的有效处理,提出了通用多媒体查询代数MQA。通过常规选择、结构选择和时空选择等代数运算来处理UMQL中的结构表达式、特征表示式和时空表达式,很好地保持了与UMQL查询描述能力的一致性,能有效地处理UMQL。
关键词:    数据库    多媒体    查询语言    查询代数    UMQL   
Design and Implementation of an Effective Multimedia Algebra
Lu Chenglang1,2, Liu Mingyong1, Wu Zongda2, Zhang Yufan3
1. College of Marine Engineering, Northwestern Polytechnical University, Xi'an 710072, China;
2. Oujiang College, Wenzhou University, Wenzhou 323035, China;
3. School of Automation, Northwestern Polytechnical University, Xi'an 710072, China
Abstract:
UMQL (unified multimedia query language), which has powerful ability to specify complicated multime-dia query requirements,can support effectively queries based on the content,structure and spatio-temporal rela-tionships of multimedia data. In order to treat with UMQL effectively and efficiently,we propose a type of multime-dia query algebra,called MQA by us. It defines structured selection and spatio-temporal selection to treat withstructure feature conditions and spatio-temporal conditions of UMQL,which makes its ability on query specificationin accordant with UMQL,thus implementing a very effective treatment on UMQL.
Key words:    Database systems    multimedia systems    query language    query algebra    UMQL   
收稿日期: 2014-04-28     修回日期:
DOI:
基金项目: 国家自然科学基金(61202171、51379136、51179156);浙江省自然科学基金(LQ13F020009)资助
通讯作者:     Email:
作者简介: 卢成浪(1982-),西北工业大学博士研究生,主要从事多媒体数据库查询技术研究。
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