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Xml data models - PowerPoint PPT Presentation


Structure Indexes for XML

Structure Indexes for XML

Structure Indexes for XML. Kinds of Indexes. Value Indexes index atomic values; e.g., data(//emp/salary) use B+ trees (like in relational world) (integration into query optimizer more tricky) Structure Indexes materialize results of path expressions (pendant to join indexes, path indices)

By ronny
(125 views)

Netconf Data Model Netmod BOF – IETF 60

Netconf Data Model Netmod BOF – IETF 60

Netconf Data Model Netmod BOF – IETF 60. Sharon Chisholm – schishol@nortelnetworks,com Randy Presuhn - randy_presuhn@mindspring.com. Outline. Preliminaries Problem Statement/Overview Charter Discussion. Preliminaries. Administrivia Agenda Website, Mailing List BOF Status

By vivi
(118 views)

Metadata and the Semantic Web

Metadata and the Semantic Web

Metadata and the Semantic Web. Marlon Pierce Community Grids Lab Indiana University. Introduction. Overview things and provide some motivating examples. Introduction: What’s in data.out?. Metadata is information about other data-->resources.

By perry
(116 views)

Netconf Data Model Netmod BOF – IETF 60

Netconf Data Model Netmod BOF – IETF 60

Netconf Data Model Netmod BOF – IETF 60. Sharon Chisholm – schishol@nortelnetworks,com Randy Presuhn - randy_presuhn@mindspring.com. Outline. Preliminaries Problem Statement/Overview Charter Discussion. Preliminaries. Administrivia Agenda Website, Mailing List BOF Status

By jnordstrom
(0 views)


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XML Data

XML Data

XML Data. Introduction, Well-formed XML. Well-Formed XML. Extensible Markup Language (XML) Standard for data representation and exchange Document format similar to HTML Tags describe content instead of formatting Also streaming format. Well-Formed XML. Basic constructs Tagged elements

By ida (144 views)

XML Data

XML Data

XML Data. <book> <title> database systems</title> <author> John <lastname> Korth</lastname></author> <price currency = “USD”> 5.87</price> </book> DTD <!ELEMENT book (title, author+, price)> <!ELEMENT title (#PCDATA)> <!ELEMENT author(#PCDATA)|lastname)*.

By lgerald (0 views)

XML Data

XML Data

XML Data. DTDs , IDs & IDREFs. DTDs, IDs & IDREFs. “Well-Formed” XML Adheres to basic structural requirements Single root element Matched tags, proper nesting Unique attributes within elements. DTDs, IDs & IDREFs. “Valid” XML Adheres to basic structural requirements

By azra (139 views)

XML Data

XML Data

XML Data. XML Schema. XML Schema. “Valid” XML Adheres to basic structural requirements Also adheres to content-specific specification. DTD or XSD. XML Document. Validating XML Parser. Parsed XML. “Not valid”. XML Schema. XML Schema ( XSD ) Extensive language

By mirit (185 views)

Auto-Generation of EASY5 Models Using XML Data

Auto-Generation of EASY5 Models Using XML Data

Auto-Generation of EASY5 Models Using XML Data. Brian Ummel EASY5 Product Support March 16, 2000. What does Auto-Generation of Models Mean?. Standard method of building an EASY5 model is: 1. Look up data where it exists (CAD system, schematics, documents, or some other analysis tool)

By nyoko (123 views)

XML Data Management  Extracting Data from XML: XPath

XML Data Management Extracting Data from XML: XPath

XML Data Management Extracting Data from XML: XPath. Werner Nutt based on slides by Sara Cohen, Jerusalem. Extracting Data from XML. Data stored in an XML document must be extracted to use it with various applications Data can be extracted by a program …

By amandathomas (0 views)

XML Data Management

XML Data Management

XML Data Management. Ning Zhang University of Waterloo. What is XML?. XML documents have elements and attributes Elements (indicated by begin & end tags) can be nested but cannot interleave each other can have arbitrary number of sub-elements can have free text as values

By read (285 views)

Data-centric XML

Data-centric XML

Data-centric XML. Other Schema Languages. Montag, 5. Juli 2010. Problems of XML Schema. • According to Schematron docs:. - No support for entities. - idiomatic or localized data types (date, time) not supported. - limited support for element content models.

By rhiannon-reese (94 views)

XML Data Compression

XML Data Compression

XML Data Compression. Greg Leighton, Jim Diamond, Tomasz Müldner February 18, 2005. Overview. A (brief) introduction to data compression XML lossless data compression New XML Compression Programs AXECHOP TREECHOP. XML Data Compression. A (brief) introduction to XML

By verdad (212 views)

Loading XML Data

Loading XML Data

ActionScript 3.0. Loading XML Data. Parsing XML Documents. What is XML? Accessing an XML document with ActionScript XMLList class URLLoader class. XML. XML stands for eXtensible Markup Language. An XML document is a text file that contains data formatted in a particular way.

By terah (132 views)