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Vanndy Sun
Vanndy Sun

ASP Lesson...

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[object Object],[object Object],[object Object],[object Object],[object Object],Introduction to XML
What Is Markup? ,[object Object]
Computer markup ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
What do we mean by declarative? ,[object Object],[object Object],[object Object],[object Object],[object Object]
XML ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
The two worlds of XML ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
What is XML? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
HTML vs. XML ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],HTML tags: presentation, generic document structure XML tags: content, "semantic", (DTD-) specific
XML vs SGML ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
XML treats documents like databases ,[object Object],[object Object],[object Object],[object Object],[object Object]
What is structure ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
When structure is essential ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
What’s the difference? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
XML design principles ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Opportunities with XML ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Web usage ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Some additional XML details ,[object Object],[object Object],[object Object],[object Object]
Well-formedness ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Elements and their Content element type character content element empty element < bibliography > < paper ID=&quot;object-fusion&quot;> < authors > < author >Y.Papakonstantinou</ author > < author >S. Abiteboul</ author > < author >H. Garcia-Molina</ author > </ authors > < fullPaper source=&quot;fusion&quot;/> < title >Object Fusion in Mediator Systems</ title > < booktitle > VLDB 96 </ booktitle > </ paper > </ bibliography > element content
Element Attributes <bibliography> <paper pid =&quot; object-fusion &quot; > <authors> <author>Y.Papakonstantinou</author> <author>S. Abiteboul</author> <author>H. Garcia-Molina</author> </authors> <fullPaper source =&quot;fusion&quot;/> <title>Object Fusion in Mediator Systems</title> <booktitle>VLDB 96</booktitle> </paper> </bibliography> Attribute name Attribute Value
Pure XML -- Instance Model ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],< A > < B > foo </ B > < C > bar </ C > < C > lab </ C > </ A > A B C &quot; foo &quot; &quot; bar &quot; &quot; lab &quot; C children are ordered C : &quot; bar &quot; A : B : &quot; foo &quot; C : &quot; lab &quot;
Example: Relational Data to XML R  R   tuple   A  a1  /A   B  b1  /B   C  c1  /C   /tuple   tuple   A  a2  /A   B  b2  /B   C  c2  /C   /tuple  …  /R  c2 b2 a2 c3 b3 a3 c1 b1 a1 C B A R tuple A B C a1 b1 c1 tuple A B C a2 b2 c2 tuple A B C a3 b3 c3
Example: Relational Data to XML R  R   tuple   A  a1  /A   B  b1  /B   C  c1  /C   /tuple   tuple   A  a2  /A   B  b2  /B   C  c2  /C   /tuple  …  /R  c2 b2 a2 c3 b3 a3 c1 b1 a1 C B A R tuple A B C a1 b1 c1 tuple A B C a2 b2 c2 tuple A B C a3 b3 c3
Adding Structure and Semantics ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Partial and missing DTDs ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Case sensitivity ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Summary ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
XML System Architectures
First, an HTML system HTML document ,[object Object],Web Client Internet Parser, formatter, interface
How do you get the data? Documents, stylesheets, and other data
 can all be expressed in XML. This model can work locally or over a network. Parsing, tree-building, and access can shift between client/server XML data Parser Information structure (tree+links) DOM Interface Any application can plug in via an API called “Document Object Model” DTD/ Schema But their information is accessed directly.
Server side XML publishing Server transforms to HTML/CSS; Ship to client browser for display Very common current strategy; Leverages current technology XML data XSLT http Stylesheet HTML +CSS Browser/ Interface
XML everywhere ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
What are the parts? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Main document stuff ,[object Object],[object Object],[object Object],[object Object],[object Object]
Anatomy of an element <p type=&quot;rule&quot;>Use a hyphen: &#173;.</p> Start-tag Content End-tag Element Element type Attribute name Attribute value (character) entity reference Element type Attribute
Audiences XML aims to help ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
HTML compatibility ,[object Object],[object Object],[object Object],[object Object],[object Object]
What are the parts of an XML Document? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Schema Languages ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
The DTD (schema) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Elements ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Attributes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
General Entities ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Predefined entities ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Character references ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Comments ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Marked sections ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
The “XML Declaration” PI ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Notations ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Identifiers ,[object Object],[object Object],[object Object],[object Object],[object Object]
XML 1.0 DTDs ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
An Example DTD ,[object Object],[object Object]
Another Example ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
A corresponding document ,[object Object],[object Object]
Content Models ,[object Object],[object Object],[object Object],[object Object]
Basic Operators ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Data ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Not quite regular expressions ,[object Object],[object Object],[object Object]
Handy terminology decoder ring ,[object Object],[object Object],[object Object],[object Object],[object Object]
Decoder ring… ,[object Object],[object Object],[object Object],[object Object],[object Object]
Decoder… ,[object Object],[object Object],[object Object]
Decoder… ,[object Object],[object Object],[object Object],[object Object]
Ambiguity ,[object Object],[object Object]
Attributes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
<!ATTLIST syntax ,[object Object],[object Object]
Attribute Data Types ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Attribute defaults ,[object Object],[object Object],[object Object],[object Object]
Parameter Entities ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
General Entities ,[object Object],[object Object],[object Object],[object Object]
Notations ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Processing instructions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Namespaces ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Things namespace almost do ,[object Object],[object Object],[object Object]
Pros and Cons of Namespaces ,[object Object],[object Object],[object Object],[object Object],[object Object]
Things are confusing about namespaces ,[object Object],[object Object],[object Object],[object Object],[object Object]
Namespace URI dereferencing ,[object Object],[object Object],[object Object]
XML Information Set ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
XML and related specs ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
XML specification ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
The W3C standards* process ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
The beginning of XML ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
The current XML organization ,[object Object],[object Object]
Document analysis ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Project requirements ,[object Object],[object Object],[object Object],[object Object],[object Object]
Identifying information items ,[object Object],[object Object],[object Object],[object Object]
Issues to think about ,[object Object],[object Object],[object Object],[object Object],[object Object]
Restrictions on data items ,[object Object],[object Object],[object Object],[object Object]
Presentation issues ,[object Object],[object Object],[object Object]

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Xml

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  • 19. Elements and their Content element type character content element empty element < bibliography > < paper ID=&quot;object-fusion&quot;> < authors > < author >Y.Papakonstantinou</ author > < author >S. Abiteboul</ author > < author >H. Garcia-Molina</ author > </ authors > < fullPaper source=&quot;fusion&quot;/> < title >Object Fusion in Mediator Systems</ title > < booktitle > VLDB 96 </ booktitle > </ paper > </ bibliography > element content
  • 20. Element Attributes <bibliography> <paper pid =&quot; object-fusion &quot; > <authors> <author>Y.Papakonstantinou</author> <author>S. Abiteboul</author> <author>H. Garcia-Molina</author> </authors> <fullPaper source =&quot;fusion&quot;/> <title>Object Fusion in Mediator Systems</title> <booktitle>VLDB 96</booktitle> </paper> </bibliography> Attribute name Attribute Value
  • 21.
  • 22. Example: Relational Data to XML R  R   tuple   A  a1  /A   B  b1  /B   C  c1  /C   /tuple   tuple   A  a2  /A   B  b2  /B   C  c2  /C   /tuple  …  /R  c2 b2 a2 c3 b3 a3 c1 b1 a1 C B A R tuple A B C a1 b1 c1 tuple A B C a2 b2 c2 tuple A B C a3 b3 c3
  • 23. Example: Relational Data to XML R  R   tuple   A  a1  /A   B  b1  /B   C  c1  /C   /tuple   tuple   A  a2  /A   B  b2  /B   C  c2  /C   /tuple  …  /R  c2 b2 a2 c3 b3 a3 c1 b1 a1 C B A R tuple A B C a1 b1 c1 tuple A B C a2 b2 c2 tuple A B C a3 b3 c3
  • 24.
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  • 30. How do you get the data? Documents, stylesheets, and other data
 can all be expressed in XML. This model can work locally or over a network. Parsing, tree-building, and access can shift between client/server XML data Parser Information structure (tree+links) DOM Interface Any application can plug in via an API called “Document Object Model” DTD/ Schema But their information is accessed directly.
  • 31. Server side XML publishing Server transforms to HTML/CSS; Ship to client browser for display Very common current strategy; Leverages current technology XML data XSLT http Stylesheet HTML +CSS Browser/ Interface
  • 32.
  • 33.
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  • 35. Anatomy of an element <p type=&quot;rule&quot;>Use a hyphen: &#173;.</p> Start-tag Content End-tag Element Element type Attribute name Attribute value (character) entity reference Element type Attribute
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