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Given by Lukasz Beca at Tango Group Internal Technology Seminars on April 16 99. Foils prepared May 19 99
Outside Index
Summary of Material
| Motivation and Goals |
| XML Overview |
| XML Basic Concepts |
| XML Schema |
| XSL |
| XML Tools |
| Languages Based on XML |
| Future |
XML Resources
|
Denote Foils where Image Critical
Denote Foils where HTML is sufficient
Introduction to XML
Contents
Motivation
Goals
XML - Overview
XML Basic Concepts
Elements
Attributes
Documents
Documents
Document Object Model
Document Object Model - Example
Namespaces
Data Islands
XML Schema
XML Schema - Example
Extensible Stylesheet Language (XSL)
XSL - Style Sheets
XSL Patterns
Languages Based on XML
XML Tools
Future
Resources
Outside Index
Summary of Material
HTML version of Basic Foils prepared May 19 99 
Full HTML Index
| April 16 99 |
| Lukasz Beca |
| NPAC, Syracuse University |
HTML version of Basic Foils prepared May 19 99
Full HTML Index
| Motivation and Goals |
| XML Overview |
| XML Basic Concepts |
| XML Schema |
| XSL |
| XML Tools |
| Languages Based on XML |
| Future |
XML Resources
|
HTML version of Basic Foils prepared May 19 99 
Full HTML Index
HTML version of Basic Foils prepared May 19 99
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| Better search results |
| Presenting various views for the same data |
| Integration of data from different sources |
| Easy use over the Internet |
| Easy application development that process documents |
| Documents readable by humans |
| Documents easy to create |
| Interchange of data |
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| Extensible Markup Language - Subset of Standard Generalized Markup Language (SGML) |
| Universal format for describing structured data on the Web |
| Specification developed by World Wide Web Consortium (W3C) supervised by XML Working Group |
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| Elements |
| Attributes |
| Documents |
| Document Object Model |
| Namespaces |
| Data Islands |
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| Format: start tag, end tag, and data |
| The tags describe the data contained between tags |
| The data within the tags is the value of the element |
| <title>The Fish Slapping Dance</title> |
| <dance>The Fish Slapping Dance</dance> |
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| Attributes associate name-value pairs with elements |
| Attributes may appear only within start-tags and empty-element tags |
| <size unit="KB"</size> |
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| Document is an XML element that can (or not) contain other nested XML elements |
| <clip> |
| <title>The Fish Slapping Dance<title> |
| <authors>Monty Python</authors> |
| <format>avi</format> |
| <size unit="KB"</size> |
| <priceinfo> |
| <regprice unit="US dollars"ᡇ</regprice> |
| <ourpriceᡂ</ourprice> |
| </priceinfo> |
| </clip> |
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| Well-formed document: obeys the syntax of XML |
| Valid documents: a well-formed document that contains a proper document type declaration and obeys the constraints of that declaration |
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| Describes logical structure of document and the way a document is accessed and manipulated |
| Defines naming convention for document components |
| Enables straightforward access to the document components |
| Implemented by the tools that enable manipulation of XML documents |
HTML version of Basic Foils prepared May 19 99
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HTML version of Basic Foils prepared May 19 99
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| Collection of related XML elements and attributes |
| Mechanism for solving elements and attributes name conflicts |
| <title>The Fish Slapping Dance</title> |
| <title>Mr</title> |
| <ClipInfo:title>The Fish Slapping Dance</title> |
| <PersonInfo:title>Mr</title> |
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| XML code embedded in an HTML page |
| Enables integration of XML with HTML page (XML data can be accessed by scripts) |
| Contains well-formed XML document withing <XML> </XML> tags |
| <XML ID="clipXML"> |
| <clip> |
| <title>The Fish Slapping Dance</title> |
| <size unit="KB"</size> |
| </clip> |
| </XML> |
| clipXML.documentElement.childNodes.item(0).text |
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| Grammar for tag language |
| Defines the rules governing the relations between elements and attributes using XML syntax |
| Enables element and attribute typing and assigning default values |
| Provides extensibility: authors can add their own elements and attributes to XML Schema documents |
Used for:
|
| Association with XML document: |
| <clip xmlns="x-schema:clipSchema.xml"> |
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| <Schema xmlns="urn:schemas-npac-edu:clip-data" |
| xmlns:dt="urn:schemas-microsoft-com:datatypes"> |
| <AttributeType name="unit" dt:type="string" required="yes"/> |
| <ElementType name="title" content="textOnly" |
| dt:type="string"/> |
| <ElementType name="size" content="textOnly" dt:type="int"> |
| <attribute type="unit"/> |
| </ElementType> |
| <ElementType name="clip" content="eltOnly"> |
| <element type="title"/> |
| <element type="size"/> |
| </ElementType> |
| </Schema> |
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| Enables display of XML by transforming XML into structure suitable for display, for example HTML |
| XSL transformations can be executed on the server to provide HTML documents for older browsers |
| Provides mechanisms for transformation of XML data from one schema to another |
| Enables converting XML documents through querying, sorting, and filtering |
| Association with XML document: |
| <?xml-stylesheet type="text/xsl"href="mystyle.xsl"?> |
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| Contain a template of the desired result structure |
| Identify data in the source document to insert into the template |
| Example: fragments of HMTL, define how elements of XML document should be transformed into HTML document |
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| Simple query language for identifying nodes in an XML document |
Identify nodes depending on:
|
|
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| Resource Description Framework (RDF) standard for metadata exchange, enables better content searching on the Web |
| Synchronized Multimedia Integration Language (SMIL) enables simple authoring of TV-like multimedia presentations such as training courses on the Web |
| Scalable Vector Graphics (SVG) - a language for describing two-dimensional graphics in XML |
HTML version of Basic Foils prepared May 19 99
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Parsers, used for accessing, analyzing and transforming XML documents (Sun, Microsoft, IBM)
|
| Editors, used for creating XML content (Microsoft, IBM) |
| Java APIs for XML (Sun) |
HTML version of Basic Foils prepared May 19 99
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Completion of XML-related specifications:
|
| XML as a standard format for data storage and Internet delivery |
| Proliferation of XML-based languages for various industry and research domains |
|
|
HTML version of Basic Foils prepared May 19 99
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| InternetExplorer 5.0 and XML/XSL tutorials: |
| http://msdn.microsoft.com/xml/ |
| Specifications: |
| http://www.w3c.org |
| More tutorials and informations for developers: |
| http://www.zdnet.com/devhead/filters/xml/ |
| http://www.xml.com |