ISM 50 - Business Information Systems
Lecture 16
Instructor: John Musacchio
UC Santa Cruz
May 18, 2005
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Markup Languages and Middleware in Business Information Systems - Prof. John Musacchio, Assignments of Accounting
A lecture note from a business information systems course at uc santa cruz, focusing on markup languages and middleware. Markup languages, such as html and xml, are used to describe the structure of documents, while middleware acts as a layer between operating systems and applications, enabling interoperability and data sharing. The lecture covers the history, purpose, and categories of markup languages and middleware, as well as their role in ecommerce and distributed systems.
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Pre 2010
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ISM 50 - Business Information Systems
Lecture 16
Instructor: John Musacchio
UC Santa CruzMay 18, 2005
Outline For Today ^ Class Announcements ^ Student Presentation ^ Markup Languages ^ Middleware
Student Presentations^
Sean Martin Cathy Zhu
Markup languages
Example: HTML^ Super Widget Widgets Incorporated
123456789
$300
Super WidgetWidgets Incorporated 123456789 $
Example: XML
Super Widget Widgets Incorporated
123456789 $300 <\product>
Tags Emphasize whatthe things
mean
rather
than how to
format
their
Presentation.
XML in ecommerce example 2^ Supplier
Super Widget Widgets Incorporated^
123456789 $300 <\product> Product infoFrom eachSupplier sent inXML
XYZ
Manufacturing
Super widget recognizedand managed by SCMsoftware.
Family lineage
SGML
HTML
XML
Emphasizesformatting andpresentation ofdocuments
Emphasizesstructure ofdocuments
Purpose- andindustry-specificextensions
Standardized in mid 80s byISO
Introduced inEarly 90s
Proposed in mid90s
Middleware
Middleware
Applications Operating systemMiddleware
Middleware ^ Easier to introduce new middleware thannew OSes ^ Thus, most innovations in infrastructuresoftware happen in middleware
Middleware ^ Example: IBM’s software strategy revolvesaround middleware^
DB2^ ^
DBMS middleware
^ WebSphere^
Supports web application servers
^ Tivoli^
System management and Configuration management tools
^ Rational^
Software development framework
^ Lotus^
Document Management and Collaboration Tools
MiddlewareSome Categories ^ Transaction processing^
Simplify the coordination of complementaryresource managers
^ Message-oriented middleware^
Support message and queuing capabilities whereresource mangers are not availablesimultaneously (like workflow)
Some Middleware CategoriesDistributed object management
^ Support applications that are distributedacross heterogeneous platforms andorganizationsMobile code ^ Allow application code to be moved andexecuted on heterogeneous platforms ^ Without prior software installation