Projects per year
SPARQL enables users to access and browse knowledge graphs in a precise way. However, using SPARQL requires knowledge that many casual users lack. To counter this, specific tools have been created that enable more casual users to browse and query results. This paper evaluates and compares the most prominent techniques, QueryVOWL, SPARKLIS and the Wikidata Query Service (WQS), through a usability evaluation, using a mixed-method evaluation based on usability metrics and heuristics, containing both quantitative and qualitative data. The findings show that while WQS achieved the best results, usability problems were encountered in all tools. Key aspects for usability, extracted from the evaluation, serve as important contributions for future query builders.
|Title of host publication||Semantic Systems. The Power of AI and Knowledge Graphs (15th International Conference, SEMANTiCS 2019, Karlsruhe, Germany, September 9-12, 2019, Proceedings)|
|Editors||Acosta, Maribel, Cudré-Mauroux, Philippe, Maleshkova, Maria, Pellegrini, Tassilo, Sack, Harald, Sure-Vetter, York|
|Place of Publication||Karlsruhe, Germany|
|Pages||326 - 342|
|Publication status||Published - 2019|
- 1 Finished
SPECIAL - Scalable Policy-awarE linked data arChitecture for prIvacy, trAnsparency and compLiance
Kirrane, S., Drozd, O., Fernandez Garcia, J. D., Havur, G., Polleres, A. & Spiekermann-Hoff, S.
1/01/17 → 31/12/19
Project: Research funding