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Investigating learnability, user performance, and preferences of the path query language SemwidgQL compared to SPARQL
Published on Nov 28, 2017735 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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Chapter list
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