Applying visualizationtechniques to developinterfaces for educationalrepositories: the case ofOrganic.Lingua and VOA3RDavi...
Motivation Most educational digital repositories include aknowledge classification scheme. The idea of using a visual in...
Case Studies: Organic.Edunet &Organic.Lingua Organic.Edunet: amultilingual federation oflearning repositories aboutOrgani...
Case Studies: Organic.Edunet & OrganicLingua Experiments OE: In-depth usability study involving different user profiles (...
Case Studies: VOA3R Facilitate the open sharing of scientific and scholarly research publicationsand outcomes related to ...
Case Studies: VOA3R Experiments Information gathered from VOA3R pilot & validation trials (>20). Usability techniques su...
Case Studies: Usability study of taxonomy-visualization user interfaces in digital repositories In-depth study for the an...
Results Several usability problems were found for each visual interface.
Results (II) Three key problems beyond the visualinterfaces’ usability:Utility -What are the benefits ofusing these kind...
Conclusions Visualization techniques could be a very helpful tool for learning /educational repositories using KOS. To r...
THANKS!David Martin-Moncunill (d.martin@edu.uah.es )Salvador Sánchez Alonso (salvador.sanchez@uah.es )Computer Science Dep...
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Linq 2013 session_red_1_martin_sanchez_garcia_marianos

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Linq 2013 session_red_1_martin_sanchez_garcia_marianos

  1. 1. Applying visualizationtechniques to developinterfaces for educationalrepositories: the case ofOrganic.Lingua and VOA3RDavid Martin-Moncunill, Salvador Sánchez, Alonso Paulo A. Gaona García, Nikolaos Marianos
  2. 2. Motivation Most educational digital repositories include aknowledge classification scheme. The idea of using a visual interface to show andnavigate through these schemas, sounds promising. Several digital repositories have implemented or areconsidering to implement one. This would require a big implementation effort evaluate before starting to work.
  3. 3. Case Studies: Organic.Edunet &Organic.Lingua Organic.Edunet: amultilingual federation oflearning repositories aboutOrganic Agriculture andAgroecology. Agrovoc thesaurus usedfor knowledgerepresentation. Organic.Lingua: improveOrganic.Edunet portal withadvanced languageservices.
  4. 4. Case Studies: Organic.Edunet & OrganicLingua Experiments OE: In-depth usability study involving different user profiles (2011). Heuristic Analysis, thinking aloud protocol, interviews, benchmarks, focus groups,questionnaires. OL: Pilot & Usability trials, Starting January 2013. Spanish Society for EcologicalAgriculture. Not included in the paper: France (March 2013- domain experts), Spain (April 2013 – ITprofile), UK (April 2013 – General Public)
  5. 5. Case Studies: VOA3R Facilitate the open sharing of scientific and scholarly research publicationsand outcomes related to agriculture, aquaculture, food and environment. Agrovoc thesaurus used for knowledge representation. “Drag & Drop” interface to navigate and search.
  6. 6. Case Studies: VOA3R Experiments Information gathered from VOA3R pilot & validation trials (>20). Usability techniques such as thinking aloud, interviews or cognitivewalkthroughs. These results are described and published as part of the projectdeliverables.
  7. 7. Case Studies: Usability study of taxonomy-visualization user interfaces in digital repositories In-depth study for the analysis of the perception and interaction levels. Obtain conclusions that would ultimately lead to development decisions and theadaptation of user interfaces. (To be published) The experiment analised the thematic-coverage of the Europeana digital library,according to a mature and well known taxonomic structure the AAT thesaurus.
  8. 8. Results Several usability problems were found for each visual interface.
  9. 9. Results (II) Three key problems beyond the visualinterfaces’ usability:Utility -What are the benefits ofusing these kind of interfaces?Learnability - Will I have to learnhow to use the interfaces & basicsof KOS?KOS Usability – I don’t understandthe classification scheme!UtilityKOSUsabilityLearnability
  10. 10. Conclusions Visualization techniques could be a very helpful tool for learning /educational repositories using KOS. To reach this goal an important effort on the usability side must bedone . There are 3 key problems that prevent users from widely adoptingthem. Making efforts trying to solve other usability problems in animplemented interface will most probably be useless if these keyproblems are not solved first.
  11. 11. THANKS!David Martin-Moncunill (d.martin@edu.uah.es )Salvador Sánchez Alonso (salvador.sanchez@uah.es )Computer Science Department, University of Alcalá, Spain.Paulo A. Gaona García (pagaonag@udistrital.edu.co )Faculty of Engineering, Distrital University, Colombia.Nikolaos Marianos (n.marianos@chios.aegean.gr )Department of Shipping Trade and Transport, University of the Aegean,Greece
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