Big data models and algorithms

data models for big data analytics and applying data models to big data architectures
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Dr.GordenMorse,France,Professional
Published Date:22-07-2017
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Ghislain Fourny Big Data 9. Data Models 1 pinkyone / 123RF Stock PhotoSyntax vs. Data Models Physical view a Syntax d e="f"/ cThis is btext/b./c /a 2Syntax vs. Data Models a d c Logical view e = f Data Model This is b . text Physical view a Syntax d e="f"/ cThis is btext/b./c /a 3Edge vs. Node labeling foo foo foobar bar bar 4XML Data models Information Set (Infoset) http://www.w3.org/TR/xml-infoset/ Post Schema-Validation Infoset (PSVI) http://www.w3.org/TR/xmlschema11-1/ XQuery and XPath Data Model (XDM) http://www.w3.org/TR/xpath-datamodel/ 5HTML/XML Data model Document Object Model (DOM) http://www.w3.org/TR/REC-DOM-Level-1/ 6grigory_bruev / 123RF Stock Photo XML Information Set 7Information Set ?xml version="1.0" encoding="UTF-8"? dc:metadata xmlns:dc="http://www.systems.ethz.ch" title xml:lang="en" year="2008" Systems Group/title publisherETH Zurich/publisher /dc:metadata 8Information Set 9The 11 XML Information Items Document Namespace Element Unexpanded Entity Reference Attribute DTD Processing Instruction Unparsed Entity Character Notation Comment 10 10The 11 XML Information Items Document Namespace Element Unexpanded Entity Reference Attribute DTD Processing Instruction Unparsed Entity Character Notation Comment 11 11Document Information Items doc Document Information Item children Element Information Item metadata document element Element Information Item metadata notations empty unparsed entities empty base URI file:///Users/bigdata/Documents/info.xml character encoding scheme UTF-8 standalone no value version 1.0 12Element Information Items Element Information Item metadata metadata namespace name http://www.systems.ethz.ch local name metadata prefix dc children Element Information Items title, publisher attributes empty namespace attributes Attribute Information Item xmlns:dc in-scope namespaces Namespace Information Items dc-systems, xml-ns base URI file:///Users/bigdata/Documents/info.xml parent Document Information Item 13Attribute Information Items xmlns:dc Attribute Information Item xmlns:dc namespace name http://www.w3.org/2000/xmlns local name dc prefix xmlns normalized value http://www.systems.ethz.ch specified true attribute type no value references unknown owner element Element Information Item metadata 14Namespace Information Items Namespace Information Item dc-systems dc-systems prefix dc namespace name http://www.systems.ethz.ch Namespace Information Item xml-ns xml-ns prefix xml namespace name http://www.w3.org/XML/1998/namespace 15XML Infoset - the tree doc metadata xml-ns xmlns:dc dc-systems xml-ns publisher xml-ns title dc-systems dc-systems lang ETH year Zurich Systems Group 16Post-Schema-Validation Infoset Infoset + Types Post-Schema-Validation Infoset (PSVI) 17Weerapat Kiatdumrong / 123RF Stock Photo XPath and XQuery Data Model 18XDM: Sequences of Items ( , , , , , ) 19XDM: Sequence of one item = ( ) 20