XPath fragments on XML in columns

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F13%3A10139888" target="_blank" >RIV/00216208:11320/13:10139888 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1108/IJWIS-05-2013-0017" target="_blank" >http://dx.doi.org/10.1108/IJWIS-05-2013-0017</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1108/IJWIS-05-2013-0017" target="_blank" >10.1108/IJWIS-05-2013-0017</a>

Result language
angličtina
Original language name
XPath fragments on XML in columns
Original language description
This paper considers schemaless XML data stored in a column-oriented storage, particularly in C-store. Axes of the XPath language are studied and a design and analysis of algorithms for processing the XPath fragment XP{*, //, /} are described in detail.A two-level model of C-store based on XML-enabled relational databases is supposed. The associated algorithms have been used for implementation of the XPath fragment XP{*, //, /}. The main advantage of this approach is algorithms implementing axes evaluations that are mostly of logarithmic complexity in n, where n is the number of nodes of XML tree associated with an XML document. A low level memory system enables the estimation of the number of two abstract operations providing an interface to an external memory.
Czech name
—
Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
IN - Informatics
OECD FORD branch
—

Project
<a href="/en/project/GA13-08195S" target="_blank" >GA13-08195S: Highly Scalable Parallel and Distributed Methods of Data Processing in E-science</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2013
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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