| Analyzing
the problem |
|
|
|
|
|
|
|
|
|
|
| • | what
kind of data |
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| – | tree
data (XML) |
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| – | graph
data |
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| • | what
kind of queries |
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| – | restricted
regular expressions (e.g. XPath) |
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| – | arbitrary
regular expressions |
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