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zum 14.06.06 Serie 6

1. Stellen Sie die Schemata von bib, book und chapter sowie die XML-Dokumente bib und chapter als Terme in den generierenden Operationen dar.

a) <!ELEMENT bib (book* )>

<!ELEMENT book (title, (author+ | editor+ ), publisher?, price )>

<!ATTLIST book year CDATA #REQUIRED >

<!ELEMENT author (last, first )>

<!ELEMENT editor (last, first, affiliation )>

<!ELEMENT title (#PCDATA )>

<!ELEMENT last (#PCDATA )>

<!ELEMENT first (#PCDATA )>

<!ELEMENT affiliation (#PCDATA )>

<!ELEMENT publisher (#PCDATA )>

<!ELEMENT price (#PCDATA )>

<bib>

<book year="1994">

<title>TCP/IP Illustrated</title>

<author><last>Stevens</last><first>W.</first></author>

<price> 65.95</price>

</book>

<book year="1992">

<title>Advanced Programming in the Unix environment</title>

<author><last>Stevens</last><first>W.</first></author>

<publisher>Addison-Wesley</publisher>

<price>65.95</price>

</book>

</bib>

b) <!ELEMENT chapter (title, section*)>

<!ELEMENT section (title, section*)>

<!ELEMENT title (#PCDATA)>

<chapter>

<title>Data Model</title>

<section>

<title> Syntax For Data Model</title>

</section>

<section>

<title>XML</title>

<section>

<title>Basic Syntax</title>

</section>

<section>

<title> XML and Semistructured Data</title>

</section>

</section>

</chapter>

2. Geben Sie für das folgende XML-Dokument mindestens drei verschiedene Terme an:

<A> <B>b</B>

<C>c</C></A>

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3. Geben Sie für die folgenden otto-Programme die Ergebnisse als Terme in generiereden Operationen an:

a) 3+4,8*3.1 („,“ =Paarbildung) b) 3+8, L(1 2)

c) <<L(A):: 1 to 3>>

d) ext AS := <<L(A):: “Paul” “Paula”>> (leere Tabment wird erweitert ) e) <<L(A):: “Paul” “Paula”>>

ext <<L(B):: 1 2>> at A (neben A wird jeweils Liste von B gestellt) f) L( | * 3 )

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