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The XML Bubble

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MHE - Consultants for Document and Datament Technologies. Xplor 21st Global ... Thesis, Antithesis, Synthesis ... Antithesis: XML is springing forth everywhere ... – PowerPoint PPT presentation

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Title: The XML Bubble


1
The XML Bubble
  • William J. Bill McCalpin
  • EDPP, CDIA, MIT, LIT
  • Principal, MHE

2
  • Xplor 21st Global Conference and Exhibit
  • Miami Beach, Florida
  • October 30, 2000

3
Introduction
  • The Hegelian Dialectic

4
Thesis, Antithesis, Synthesis
  • In the philosophy of Hegel, these words show the
    inevitable transition of thought, by
    contradiction and reconciliation, from
    an initial conviction to its opposite and then to
    a new, higher conception that involves but
    transcends both of them

5
The Hegelian Dialetic
  • Thesis Most business have well-established,
    productive legacy systems
  • Antithesis XML is springing forth everywhere
  • Synthesis XML will be integrated with legacy
    systems - enhancing some processes, changing many
    others, and eliminating some altogether
  • In short, XML will affect what you do

6
The Document In The 20th Century
7
What Is A Document?
  • The American Heritage Dictionary defines a
    document as information in writing placed on a
    medium such as paper, often used as a record.
  • Documents have been placed on clay tablets, gold
    leaf, animal skins, all types of paper,
    microfilm, optical storage, and so on

8
Information And Presentation
  • In every case, the document represents a
    fundamental union of information and presentation
  • But presentation presumes that the primary
    audience for the document is a human being
  • With the coming of the Internet, this is no
    longer the case

9
The Curse Of Presentation
  • Composition products require that you specify a
    printer, even before you know where the document
    will print

10
Why Are Print, Image, And Presentation Formats
Incompatible?
11
Printing And Imaging Formats
  • Many printing formats AFP, Metacode, DJDE, XES
    (UDK), PostScript, PCL, etc.
  • All formats use external resources like fonts,
    forms, graphics, etc., although sometimes
    inconsistently
  • Most are escape-sequence based, some are formal
    data architectures, and some are almost
    programming languages

12
Printing And Imaging Formats
  • Many imaging formats - while most used CCITT
    Group 4 for image compression, most also had
    proprietary data wrappers
  • Later systems adopted text-based formats such as
    PDF, although storing other print streams is not
    unknown
  • Systems which store text-based formats must
    wrestle with resource issues

13
Different Print Formats
  • Why do printers have different formats? Because
    of physical constraints imposed by the hardware
  • resources reduce the amount of data sent through
    pipeline to printer
  • pages must be imaged in less than a fraction of a
    second
  • complex graphics can be developed on the printer,
    but this needs a special language

14
Different Imaging Formats
  • Why do imaging systems have different formats
    because of physical constraints imposed by the
    hardware
  • Mass storage was expensive
  • Indexing schemes were too close to the
    application
  • Text is avoided sometimes because of resource
    issues
  • Interoperability with other products an issue

15
Result
  • In each case, data architecture decisions were
    made in order to enhance some aspect of
    legibility of the stored objects.
  • If there were no requirement to present the
    information (to a human reader), then the
    requirement for custom data formats for each
    vendor would probably disappear!

16
Universal Literacy
  • Whos reading our documents?

17
The Road To Universal Literacy
  • First, only the few could read
  • After the printing press, the many began to read
  • Eventually, educational reforms brought the
    ability to read to all

18
Literacy In The Internet Age
  • Can there be a spread of literacy beyond all?
  • How many webpages have you ever read?
  • You will never be able to keep up with the Web
    alone

19
Intelligent Agents
  • Just around the corner is software that will read
    the Web for us not search, but read
  • So we have to spread literacy to an audience
    beyond all people, that is
  • Does increased quality in presentation mean
    better computer literacy?

20
Noise On The Net
  • Think of the average webpage
  • three dimensional spinning objects
  • marquees scrolling across the bottom
  • multiple frames bookmarks
  • audio
  • These items are all designed to attract the eye
    your eye
  • This does nothing for the machine reading the
    webpage

21
The Cost Of Data Differences
  • NASA lost a 125 million Mars orbiter because
    one engineering team used metric units while
    another used English units for a key spacecraft
    operation... CNN 9/30/99

22
The Nature Of XML
23
XML And SGML
  • XML is eXtensible Markup Language
  • XML is an instance of SGML, Standard Generalized
    Markup Language, an ISO standard (ISO 8879)
  • XML is extensible because people and
    enterprises with common interests get together to
    define the tags which describe their data

24
XML And Print Formats
  • In most print formats, something like account
    number would be
  • AMB 200 AMI 300 SCFL 01 STO 0, 90 TRN 12345-67890
  • In XML, the same information is
  • ltaccount_numbergt12345-67890

25
XML And Print Formats
  • The nature of all print formats is to be focused
    on the presentation of the information.
  • The nature of XML is focused on the authors
    content, that is, information is described as
    what it is, not how it looks.

26
Why XML Over Print?
  • Given that print formats are focused on the
    presentation, it is often difficult for the
    non-human reader to derive information out of the
    print data.
  • E.g., we could have
  • AMB 200 AMI 300 SCFL 01 STO 0,90 TRN 12345 RMI120
    TRN - RMI 24 TRN 67890
  • Note the data is not required to be contiguous

27
Separating Information From Presentation
  • XML enables the total separation of information
    from presentation
  • Thus, some XML objects have only tagged
    information, while others have content and
    presentation information

XML
XML
XSL
28
The Four Spaces
29
Dr. Davidsons DocumentSpace
  • Dr. Keith Davidson, EDPP, hypothesized that we
    work in something called the DocumentSpace
  • He believes that industries will become spaces
    under the influence of the Internet

30
Three Spaces
  • Dr. Davidson stated that there were three spaces
    PrintSpace, MarketSpace, and DecisionSpace
  • PrintSpace comprised our existing industry
  • MarketSpace covered documents used in financial
    transactions
  • DecisionSpace deals with documents used in
    knowledge management

31
Three Spaces Become Four
  • I have added a fourth space ArchiveSpace, the
    use of documents in archival and records
    management to preserve information
  • These four spaces can be viewed as ---gt

32
The Use Of The Document In The Four Spaces
33
Document And Information
  • The document is used as a container of
    information, particularly in the exchange of
    information across the boundaries between the
    four spaces
  • Documents are used for two reasons
  • (1) The lack of common data standards across the
    four spaces, and
  • (2) The requirement that humans be able to read
    and process the information

34
Print To Image
35
Print To Image Format
  • Print formats are Metacode, DJDE, AFP, PCL,
    PostScript, and so on
  • Image formats are TIFF, MODCA, other proprietary
    formats using CCITT-4, and PDF
  • Only AFP MODCA, and PostScript PDF are
    closely related, but PostScript to PDF requires a
    transform, and AFP and MODCA often arent
    implemented the same

36
Print To Market
37
Print To Market Formats
  • Print formats are Metacode, DJDE, AFP, PCL,
    PostScript, and so on
  • Financial Interchange formats are OFX/IFX, XML,
    and transaction data
  • The significant data must be extracted out of the
    print stream to create data for SGML formats - a
    sometimes hazardous process
  • However, using original transaction data may not
    be correct

38
Print To Knowledge
39
Print To Knowledge Formats
  • Print formats are Metacode, DJDE, AFP, PCL,
    PostScript, and so on
  • True Knowledge Management does not yet exist -
    its often blob management
  • XML and its many related standards will make KM
    possible, if you think of KM as something like
    human knowledge
  • As noted, XML out of existing processes can be
    hazardous

40
The Growth Of The XML Bubble
41
Com- pliance
Archive
New Sales
Reprints
Policy Print
Reports
Notices
CRM
11 Mark.
Campaign Manage.
Billing
HR
Pol. Proc.
EDI
42
Com- pliance
Archive
New Sales
Reprints
Policy Print
Reports
Notices
CRM
11 Mark.
Campaign Manage.
Billing
HR
Pol. Proc.
EDI
XML
EBPP
43
Com- pliance
Archive
New Sales
Reprints
Policy Print
Reports
Notices
CRM
11 Mark.
Campaign Manage.
XML
Billing
HR
Pol. Proc.
EDI
EBPP
44
Com- pliance
Archive
New Sales
Reprints
Policy Print
Reports
Notices
CRM
11 Mark.
Campaign Manage.
XML
Billing
HR
Pol. Proc.
EDI
EBPP
45
Com- pliance
Archive
New Sales
Reprints
Policy Print
Reports
Notices
CRM
11 Mark.
Campaign Manage.
XML
Billing
HR
Pol. Proc.
EDI
EBPP
46
Com- pliance
Archive
New Sales
Reprints
Policy Print
Reports
Notices
CRM
11 Mark.
Campaign Manage.
XML
Billing
HR
Pol. Proc.
EDI
EBPP
47
Com- pliance
Archive
New Sales
Reprints
Policy Print
Reports
Notices
CRM
11 Mark.
Campaign Manage.
XML
Billing
HR
Pol. Proc.
EDI
EBPP
48
William J. Bill McCalpin
  • EDPP, CDIA, MIT, LIT
  • Principal, MHE
  • 1400 Cheyenne Dr.
  • Richardson, Texas 75080-3921
  • 972-231-3660 (v) 972-690-4521 (f)
  • mccalpin_at_mhe-consulting.com
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