How to Analyze Graph-Based Models - Www-st.inf.tu-dresden.de ...
How to Analyze Graph-Based Models - Www-st.inf.tu-dresden.de ...
How to Analyze Graph-Based Models - Www-st.inf.tu-dresden.de ...
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Fir<strong>st</strong> I<strong>de</strong>a<br />
► Write a context free grammar for the tax <strong>de</strong>clarations<br />
► From that, <strong>de</strong>rive a XML schema<br />
■ Enrich the grammar nonterminals with attributes<br />
► Check context free <strong>st</strong>ruc<strong>tu</strong>re of the tax <strong>de</strong>clarations with the XML<br />
parser (contextfree consi<strong>st</strong>ency)<br />
► This is usually assured by the tax form<br />
■ It is, however, nevertheless necessary, if the forms have been fed in<<strong>st</strong>rong>to</<strong>st</strong>rong> a<br />
computer, <<strong>st</strong>rong>to</<strong>st</strong>rong> avoid feeding problems.<br />
Prof. Uwe Aßmann, Softwaretechnologie II<br />
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