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Author:Wei, Zou
Title:XML query processing technique based on signature
Publication type:Master's thesis
Publication year:2007
Pages:55      Language:   eng
Department/School:Tietotekniikan osasto
Main subject:Ohjelmistotekniikka   (T-106)
Supervisor:Tarhio, Jorma
Instructor:Tarhio, Jorma
OEVS:
Electronic archive copy is available via Aalto Thesis Database.
Instructions

Reading digital theses in the closed network of the Aalto University Harald Herlin Learning Centre

In the closed network of Learning Centre you can read digital and digitized theses not available in the open network.

The Learning Centre contact details and opening hours: https://learningcentre.aalto.fi/en/harald-herlin-learning-centre/

You can read theses on the Learning Centre customer computers, which are available on all floors.

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  • Other customers log on using a shared username and password.

Opening a thesis

  • On the desktop of the customer computers, you will find an icon titled:

    Aalto Thesis Database

  • Click on the icon to search for and open the thesis you are looking for from Aaltodoc database. You can find the thesis file by clicking the link on the OEV or OEVS field.

Reading the thesis

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Printing the thesis

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  • Other customers can use the printer u90203-psc3. All printing is subject to a charge to non-University members.
Location:P1 Ark Aalto  7613   | Archive
Keywords:XML
query
signature
RPE
Abstract (eng): The eXtensible Markup Language (XML) has emerged as a dominant standard for information representation and exchange on the Internet.
A generic XML document is represented as a tree-based data structure and query as a regular path expression (RPE).
The query is evaluated by traversing each node of the XML DOM tree.
When mass information is stored in XML document, querying them effectively is an important issue.

The thesis provides an enhanced technique, eS-DOM, to query the XML document by comparison of the signatures of the XML nodes instead of the comparison of the strings.
The technique decreases search space and improves the query performance.

This thesis studies the XML and the mechanism of store and query languages and methods.
This thesis also studies the evolutions from regular path expression to NFA, and presents the process to sign NFA and query eS-DOM tree by S-NFA.
ED:2007-12-19
INSSI record number: 34992
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