ToolKit for Large-SCAle studies of Web documents

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SI4 June ProjectImane BELLAT – Bastien BLANCHARD

Clément TOCHE – Maurice YARED

*ToolKit for Large-SCAle studies of Web documents

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Accessibility : multiple paradigms

*Web documents evaluation process*Co-operating services

*Evaluations and Requirements*Web Accessibility Initiative (WAI)

*Checkpoints from the Web Content Accessibility Guidelines

*Additional Services*Page Rank

*W3C Validation

*Pretty Print of statistics

Project Subject Initial WorkFlow WorkFlow with Modularity More Complex WorkFlow Some Tests Problems OutlooksAgenda

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Scalability Tools*Grid Workflow Efficient Enactment for Data Intensive Applications (Gwendia)*Workflow description framework

*Grid Infrastructure

*Optimizing distributed computation

*MOTEUR as WorkFlow Manager

*Goal*Accessibility tests on elements in HTML, CSS, Script code


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*Agenda

*Project Subject*Initial WorkFlow*Vision of Architecture*Code Implementation*WorkFlow Structure

*WorkFlow With Modularity*Concept*WorkFlow Structure

*More Complex WorkFlow*Vision of Architecture*WorkFlow Structure

*Some Tests*Problems*Outlooks


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1•Data entrance

2•Loading data on pages

3•Retrieving elements

4•Processing elements

5•Results processing

Vision of Architecture


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Code Implementation*Subdivision of WorkFlow in Processors

*Encoding processors* BeanShell *Internal MOTEUR Java Code

*Directly deployed on the grid

*Common WebServices*Accessible through Web Service Description Language (WSDL)


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WorkFlow StructureData Entrance

Loading Data

RetrievingElements

Processing data

Processing results

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Concept of Modularity*Meeting the needs of developers wishing to expand treatments

*Communication constraints

*Modularity :*By Layers

*By Processors

Contract Models Implementation


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Next Layer

Previous Layer

Data contract

Data flow


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Loading data

Retrieve elts

Retrieve elts 2

Processing data

Processing results

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1• Data entrance

2• Loading domain

3• Loading data on pages

4.1• Retrieving elements level 1

4.2• Retrieving elements level 2

5• Processing elements

6• Results processing

Vision of Architecture


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Loading data

Retrieve elts

Retrieve elts 2

Processing data

Processing results

Domain Loader

Polytech W3C ServPubl0.000.100.200.300.400.500.600.700.800.901.00

Tests over domains

AccessW3C Valid

0 1 2 3 4 5 6 7 8 9 100.000.200.400.600.801.00

Page Accessibility per Rank

0 1 2 3 4 5 6 7 8 9 100.000.100.200.300.400.500.600.700.800.901.00

Validity Rate

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Pretty Printed Statistics

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Problems Encountered* MOTEUR has no final release version

*MOTEUR Simulation use Common JVM Allocated Memory

*Insufficient for large scale data flows

*WorkFlow Graphic Modeling not Malleable

*Very Useless Debugging Platform


Some improvements* Implementation of all WAI checkpoints tests

*With CSS parsing

*Dynamic scripts parsing

*Implementation of GlassFish WebServices in JGASW provider

*Implementation of Security Manager Modules to WorkFlow

*Defining automation for new processors implementation

*Conditioning every modification of the MOTEUR Workflow according to contracts

*MOTEUR modeling for neural networks 15


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* What we have learnt :

*WorkFlow modeling

*Team working and project planning

*Facing and resolving unplanned issues

*Working on a research-oriented project

*Getting along with additional requests from a

client


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"The power of the Web is in its universality. Access by everyone regardless of disability is an essential

aspect.“Tim Berners-Lee, W3C

Director and inventor of the World Wide Web

Thanks for your attention

ToolKit for Large-SCAle studies of Web documents

Documents

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