url - Universität zu Lübeck

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28 Huei Demke
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30 95 Grinter St
31 Luebeck
32 Germany
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36 Daishiro Juric
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38 5 Pinet St
39 Athens
40 Greece
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Figure 4.1: XMark fragment to illustrate the indexing approaches
The corresponding DOM tree is presented in figure 4.2 showing each element and
attribute as a node with an individual ID. The text values are ommitted for space
reasons.
Figure 4.2: XML sample data represented as a DOM-tree
In this section we introduce and compare recent approaches for indexing XML
data.