DocumentCode
3206477
Title
Using XQuery to describe mappings from global schemas to local data sources
Author
Peng, Xiaobo ; Brazile, Robert ; Swigger, K.M.
Author_Institution
Dept. of Comput. Sci. & Eng., North Texas Univ., Denton, TX, USA
fYear
2004
fDate
8-10 Nov. 2004
Firstpage
97
Lastpage
102
Abstract
This paper describes a database mediation system based on XML related technologies. Descriptions of its architecture, its key metadata and the processes that are used to answer user queries are included. The system uses XQuery to represent the mappings between the global schema and local schemas. XQuery is used to translate user queries on the global virtual database to queries on local data sources. The advantage of using XQuery over specialized logic or programming languages is improved standardization and a powerful descriptive capability for the data.
Keywords
XML; meta data; query processing; XML; Xquery; database mediation system; global schema; local data source; metadata; virtual database; Computer architecture; Computer languages; Computer science; Data engineering; Data warehouses; Explosions; Logic programming; Mediation; Relational databases; Standardization;
fLanguage
English
Publisher
ieee
Conference_Titel
Information Reuse and Integration, 2004. IRI 2004. Proceedings of the 2004 IEEE International Conference on
Print_ISBN
0-7803-8819-4
Type
conf
DOI
10.1109/IRI.2004.1431443
Filename
1431443
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