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Statements

Subject Item
n2:RIV%2F00216208%3A11320%2F08%3A00101306%21RIV12-AV0-11320___
rdf:type
n8:Vysledek skos:Concept
dcterms:description
The creation, maintenance and disposal of tree fragments during XQuery execution form a significant issue in the design of XQuery processors. The problem is further complicated by the definition of node identity which violates the functional nature of the XQuery language. This paper presents a novel mathematical model of XQuery execution that reflects temporary tree construction and manipulation, including navigation. Using this model as reference, an efficient algorithm of static analysis is presented that determines the level of information required at a particular place of the XQuery program. As a side effect, the algorithm also decides on the ordered/unordered context as defined by the XQuery language. Based on this algorithm, the amount of information stored during the execution as well as the complexity of operations may be significantly reduced. The creation, maintenance and disposal of tree fragments during XQuery execution form a significant issue in the design of XQuery processors. The problem is further complicated by the definition of node identity which violates the functional nature of the XQuery language. This paper presents a novel mathematical model of XQuery execution that reflects temporary tree construction and manipulation, including navigation. Using this model as reference, an efficient algorithm of static analysis is presented that determines the level of information required at a particular place of the XQuery program. As a side effect, the algorithm also decides on the ordered/unordered context as defined by the XQuery language. Based on this algorithm, the amount of information stored during the execution as well as the complexity of operations may be significantly reduced.
dcterms:title
Reducing Temporary Trees in XQuery Reducing Temporary Trees in XQuery
skos:prefLabel
Reducing Temporary Trees in XQuery Reducing Temporary Trees in XQuery
skos:notation
RIV/00216208:11320/08:00101306!RIV12-AV0-11320___
n3:aktivita
n11:Z n11:P
n3:aktivity
P(1ET100300419), Z(MSM0021620838)
n3:cisloPeriodika
5207
n3:dodaniDat
n13:2012
n3:domaciTvurceVysledku
n16:7313136
n3:druhVysledku
n19:J
n3:duvernostUdaju
n9:S
n3:entitaPredkladatele
n12:predkladatel
n3:idSjednocenehoVysledku
391845
n3:idVysledku
RIV/00216208:11320/08:00101306
n3:jazykVysledku
n17:eng
n3:klicovaSlova
XQuery; Trees; Temporary; Reducing
n3:klicoveSlovo
n4:Temporary n4:Trees n4:Reducing n4:XQuery
n3:kodStatuVydavatele
DE - Spolková republika Německo
n3:kontrolniKodProRIV
[42B1AD1BE19F]
n3:nazevZdroje
Lecture Notes In Computer Science
n3:obor
n7:JC
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
1
n3:projekt
n15:1ET100300419
n3:rokUplatneniVysledku
n13:2008
n3:svazekPeriodika
Neuveden
n3:tvurceVysledku
Bednárek, David
n3:wos
000259393600004
n3:zamer
n10:MSM0021620838
s:issn
0302-9743
s:numberOfPages
16
n18:organizacniJednotka
11320