Developing a Web-based RDF Visualisation Framework and Instantiating it as a Publication Visualisation Service

Jan Polowinski, June 11th 2013jan dot polowinski at gmail dot com

HTWK Leipzig / IMN

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Outline

• Motivation

• Summary of the project context

• Current status of the project

• Next steps

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(Assumed) Problems in Literature Search

• Information Overflow in the field of publications• Relevant Papers can be overlooked• Hard to judge: When to stop?

VISUALISATION

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Hypothesis

Today‘s visualisation tools are not actually used by researchers in their daily literature search, because they suffer from the following technical/political problems:

Problems

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„Silos“ of data: Lack of linked open bibliographic data services

Not all visual means exploited

Citationgraphs are rarely availableand not typed

General Goal: Improve and Speed up Scientific Research by Visualisation

Literature searchers can• Overview new fields• Identify „best“ documents• Understand document context

Librarians, writers of project proposals can• Classify new documents• Spot neglected research areas

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Web-basedVisualisationFramework

for eScience

Instantiate

Project Context –PHD Project by Jan Polowinski on Ontology-Driven Guided Visualisation for RDS/OWL Data

IMPLEMENTATIONANALYSIS

Current Status of the Project

• Instantiation of the approach as a web-based framework (eViss)

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IMPLEMENTATIONANALYSIS

Current Status of the Project

• What data to visualise? • Instantiation of the approach as a web-based framework (eViss)

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IMPLEMENTATIONANALYSIS

Current Status of the Project

• What data to visualise?

A lot of progress in the field of publications and Linked Data last months

• Instantiation of the approach as a web-based framework (eViss)

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IMPLEMENTATIONANALYSIS

Current Status of the Project

• What data to visualise?

• How to visualise effectively?

• Instantiation of the approach as a web-based framework (eViss)

12/26Source: http://cluster.cis.drexel.edu/~cchen/citespace/

IMPLEMENTATIONANALYSIS

Current Status of the Project

• What data to visualise?

• How to visualise effectively?

• Preparing and executing a survey

• Instantiation of the approach as a web-based framework (eViss)

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Survey: How do Researchers at TU Dresden do (Electronic) Literature Search?

• supported by• Sächsische Landesbibliothek – Staats- und Universitätsbibliothek Dresden

(SLUB)• Institut für Kommunikationswissenschaften, TUD

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Survey Preparation and Execution

• 2 groups:

• Students • Research Staff

• -

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Experiences with existing visualisations

• Are they used?• Are users

satisfied?

• -

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Context-Questions

• Media Usage • Do researchers

prefer electronic or print media for reading / taking notes / reviewing?

• Research Experience

• -

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Survey – Results

• Completed questionaires• 941 from 1254

(Students)• 279 from 338

(Research Staff)

• 477 additional (free text) comments

Great interest

• First results ...18/26

Students: Do you Know / Use CiteSpace(a complex visualization suite for citation data)

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3% >1 %

I don‘t know itI know, it but I don‘t use itI use it

IMPLEMENTATIONANALYSIS

Current Status of the Project

• What to visualise?

• How to visualise effectively?

• Preparing and executing the survey

• Instantiation of the approach as a web-based framework (eViss)

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Implementing the eViss Framework for the eScience Platform

Basis: OntoWiki• Web-based editor for RDF• Developed at Uni Leipzig (2006)

+ Plugins• Guidance for effective visualisations• Generating visualisations (based on D3.js)

• Supported by Student work of Pooran Patel

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• Manage and edit visualization settings

Plug-In: Guidance for Effective Visualisationsby Error Messages and Warnings

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Plug-In: Generating Graphics- Collapsible Tree

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Plug-In: Generating Graphics – Tree Map

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Plug-In: Generating Graphics– Simple Composition

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• Lightness• Shape • Size

Summary and Conclusion

• We instantiated a highly flexible visualisation approach for the eScience platform as eViss

• Use eViss for publication data

• Linked Publication Data Sources are emerging right now but not yet fully usable

• Survey is a contribution on ist own: Many insights on how literature search is done today

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IMPLEMENTATIONANALYSIS

Next Steps

• What to visualise?

• How to visualise effectively?

• Preparing and executing the survey

• Completing the survey evaluation• Drawing conclusion for the choice

of graphics

• Instantiation of the approach as a web-based framework (eViss)

• Setting up the Framework for publication data

• Preparation of suitable graphic representations

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END/DISCUSSION

http://www-st.inf.tu-dresden.de/semvis/blog/

jan.polowinski at tu-dresden.de

BACKUP SLIDES

Acknowledgements

• This research has been co-funded by the European Social Fond / Free State of Saxony, contract no. 1330674013 (eScience – network).

• Timeline of SW-events created by using the SIMILE Timeline: http://www.simile-widgets.org/timeline/ ; Dates: Wikipedia / official Websites

• Screenshots of Tools: • CiteSpace: http://cluster.cis.drexel.edu/~cchen/citespace/

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BACKUP SLIDES

BACKUP SLIDES

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Tablets/e-Ink

Bibliographic- Ontologies

Crowd-sourcing

Open Access + Enhanced Publications

Linked (Open) Data

Visualisation

SemVisPhD ProjectOntology driven visualisation

Literature-Recherche-Tools

Publication Visualisati

on

Web-based RDF

Visualisation-

framework

(Internal) structured data

Context of the Project

What to Visualise?

BASIC DATA

• Bibliographic-Data Title Abstract Author ...

• Simple Citation Relations

• Derived: Co-Autor Co-Citation

OPTIONAL

• Financing (Potential influence)

• Typed Citation Relations• summarizes• criticises• confirmes• disproves

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somehow cites

has disproved

disproved by

How to visualise beyond node-link diagrams?

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Evaluation

• Test cases of literature-recherche • Two groups for comparison

• e.g., Google Scholar vs. Visualisation

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