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Statements

Subject Item
n2:RIV%2F00216208%3A11320%2F12%3A10125467%21RIV13-GA0-11320___
rdf:type
skos:Concept n8:Vysledek
dcterms:description
This paper considers schemaless XML data stored in a column-oriented storage, particularly in C-store. A two-level model of C-store based on XML-enabled relational databases is supposed. The axes of XPath language in this environment have been studied in [3]. A low level memory system enables the estimation of the number of two abstract operations providing an interface to an external memory. The algorithms developed are mostly of logarithmic complexity in n, where n is the number of nodes of XML tree associated with an XML document. Here we extend the approach to the XPath fragment using only child and descendant axes and estimate the complexity of evaluating its queries. This paper considers schemaless XML data stored in a column-oriented storage, particularly in C-store. A two-level model of C-store based on XML-enabled relational databases is supposed. The axes of XPath language in this environment have been studied in [3]. A low level memory system enables the estimation of the number of two abstract operations providing an interface to an external memory. The algorithms developed are mostly of logarithmic complexity in n, where n is the number of nodes of XML tree associated with an XML document. Here we extend the approach to the XPath fragment using only child and descendant axes and estimate the complexity of evaluating its queries.
dcterms:title
XPath Fragments on XML in Columns XPath Fragments on XML in Columns
skos:prefLabel
XPath Fragments on XML in Columns XPath Fragments on XML in Columns
skos:notation
RIV/00216208:11320/12:10125467!RIV13-GA0-11320___
n8:predkladatel
n9:orjk%3A11320
n4:aktivita
n17:P
n4:aktivity
P(GAP202/10/0573), P(GAP202/10/0761)
n4:dodaniDat
n21:2013
n4:domaciTvurceVysledku
n11:5822769
n4:druhVysledku
n6:D
n4:duvernostUdaju
n19:S
n4:entitaPredkladatele
n13:predkladatel
n4:idSjednocenehoVysledku
181173
n4:idVysledku
RIV/00216208:11320/12:10125467
n4:jazykVysledku
n12:eng
n4:klicovaSlova
C-store; column stores; relational database; XPath; XML
n4:klicoveSlovo
n10:XPath n10:XML n10:relational%20database n10:column%20stores n10:C-store
n4:kontrolniKodProRIV
[5E3854456AB7]
n4:mistoKonaniAkce
Bali, Indonesia
n4:mistoVydani
USA
n4:nazevZdroje
iiWAS2012 The 13th International Conference on Information Integration and Web-based Applications & Services
n4:obor
n22:IN
n4:pocetDomacichTvurcuVysledku
1
n4:pocetTvurcuVysledku
1
n4:projekt
n7:GAP202%2F10%2F0573 n7:GAP202%2F10%2F0761
n4:rokUplatneniVysledku
n21:2012
n4:tvurceVysledku
Pokorný, Jaroslav
n4:typAkce
n5:WRD
n4:zahajeniAkce
2012-12-03+01:00
s:numberOfPages
4
n16:hasPublisher
ACM
n18:isbn
978-1-4503-1306-3
n20:organizacniJednotka
11320