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Investigating learnability, user performance, and preferences of the path query language SemwidgQL compared to SPARQL
Published on 2017-11-28743 Views
In this paper, we present an empirical comparison of user performance and perceived usability for Sparql versus SemwidgQL, a path-oriented Rdf query language. We developed SemwidgQL to facilitate the
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Presentation
Investigating learnability, user performance, and preferences of the path query language SemwidgQL compared to SPARQL00:00
The Semwidg Project00:13
The Semwidg Project (2)00:48
SemwidgQL: Basic Syntax01:08
SemwidgQL: Advanced Features01:52
SemwidgQL: Goal02:58
Before the Study03:19
Study: Design04:04
Study: Participants, Procedure, and Data Collection06:02
Results: Correctness of Answers06:45
Results: Analysis of Mean Performance07:37
Results: Analysis of Learning Effects08:42
Results: Complexity-dependent Analysis09:44
Results: Subjective Evaluation by Participants11:20
Results: Subjective Evaluation by Participants (2)11:46
Discussion12:26
Evaluation of SemwidgQL Expressiveness14:03
Questions16:19