WebEngineering WS 08

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WebEngineering WS 08/09

Part 6 - Developement

Preserving State

Jackie fragt

Request/Response

hint nur bei XForms

HTML Forms

ENCTYPE

XSL-Transformations

XHTML

DTD

&

Conflicts Resolving

Cascading the style sheets

Positioning

Inheritance

Applying Styles

Other Media Types

Media Type Image I

Poster

Bewerbung Karibik

SVG

Differences?

Advantages?

PNG

JPEG

GIF

Domain Specific standards

Standard XML Schemas

There is no "the standard"

Data Technologies

Testing & Evolution in Context

test & coding

Part 5 - Planning

Federation Technologies

Security Concerns

Cookie

HTTP

CGI

SSI

Webserver

AJAX

Combine different technologies for creating web pages that“behave” like desktop applications

XSS

Cross Site Scripting

DHTML

Dhtml just for laught's

Client-Side Code

XForms

HTML-Forms

XSL

Learing XSLT

CSS

Why you should use CSS

XPath

Zur Extraktion beliebiger Teile eines wohl-geformten XML-Dokuments verabschiedete das W3C 1999 die Sprache XPath.

XLink

Das zugrundeliegende Problem, nämlich der Wunsch durch einen Link mehrere Ressourcen gebündelt referenzieren zu können, tritt in praktischen Anwendungen häufig auf. Beispielsweise beim Verweis auf mehrere Versionen eines Dokuments, alternativen Downloadservern oder Bildern verschiedener Auflösung.

Zu Realisierung erlaubt XLink die Bündelung von verschiedenen Verweisen zu einem einzigen erweiterten XLink. Nachfolgend ein Codeausschnitt, der dies für die Projektverwaltung zeigt.

http://www.jeckle.de/vorlesung/xml/script.html#XLink

some other formats

image/jpg

image/gif

Media Type Image 1

Standard XML-Schemas

Just Enough XML to Survive

Testing and Evolution in Context

Building releases

Tech-Map

Navigation

Presentation

Dialogue

DSA

Process

Data

Part 4 - Pre-Planning

Part 3 - Aspects of the lifecycle

Part 2 - Technology: Basic & Principles

XML

XML Language Family

HTML

Markup

MIME

Content-Type

URN vs. URL

URL

Example: http-URL

URN

Reserved characters

URI

Adressing ressources

retrieving information

process/render data of resource

handle response

server side

send resource

process

handle request

request resource

prepare request

Unter-Topic

adress?

find resolver

adress resource

round robin

Multi-homed hosts

DNS host name resolution

Protocol Layers Overview

OSI

Open Systems Interconnection Reference Model

TCP/IP

Standards and Organisations

SOA

Service Oriented Architecture

SOAP

Simple Object Access Protocol

Standards

How

w3c - iterative establishing process

workshops

Why

reusability

interoperability

understand requirements

understand processes

Part 1 - Introduction and Overview

The Need for Process

webengineering

Web Engineering – is the application of systematic, disciplined,and quantifiable approaches to the design, production,deployment, operation, maintenance and evolution of Webbasedsoftware products. [Gaedke, 2000]

Engineering is about the systematic application of scientific knowledgein creating and building cost-effective solutions to practical problems

different definitions

history

4 disciplines

Network Engineering

Information systems

storage devices

Hypermedia

Softwareengineering

aesthetic and cognitive aspects

quality requirements

reliable

low cost

high qualitiy

Different requirements views

Web Application Production

influence factors

the change of technology

A look at resources

World Wide Web and the early beginning

W3C

6 Document types

World Wide Web

Consequences

Concept

WWW is...

Uniform Access

Uniform Adressing

Idea

Tim Berners-Lee at CERN

History

Hypertext History

Atkinson

Nelson

Englebart

Bush

Hypermedia?

Hypertext-Documents

Anchor

Link

Node

What is Hypertext

Non-linear nodes of information

Navigate through Information Space

How to Feed your Head

Ted Nelson

"hyptertext = non-sequential writing"

Memex

Vannevar Bush