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- paper-19 type InProceedings.
- paper-19 label "Evaluating Semantic Search Query Approaches with Expert and Casual Users".
- paper-19 sameAs paper-19.
- paper-19 abstract "Usability and user satisfaction are of paramount importance when designing interactive software solutions. Furthermore, the optimal design can be dependent not only on the task but also on the type of user. Evaluations can shed light on these issues; however, very few studies have focused on assessing the usability of semantic search systems. As semantic search becomes mainstream, there is growing need for standardised, comprehensive evaluation frameworks. In this study, we assess the usability and user satisfaction of different semantic search query input approaches (natural language and view-based) from the perspective of different user types (experts and casuals). Contrary to previous studies, we found that casual users preferred the form-based query approach whereas expert users found the graph-based to be the most intuitive. Additionally, the controlled-language model offered the most support for casual users but was perceived as restrictive by experts, thus limiting their ability to express their information needs.".
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- paper-19 title "Evaluating Semantic Search Query Approaches with Expert and Casual Users".
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- paper-20 type InProceedings.
- paper-20 label "Benchmarking Federated SPARQL Query Engines: Are Existing Testbeds Enough?".
- paper-20 sameAs paper-20.
- paper-20 abstract "Testbeds proposed so far to evaluate, compare, and eventually improve SPARQL query federation systems have still some limitations. Some variables and configurations that may have an impact on the behavior of these systems (e.g., network latency, data partitioning and query properties) are not sufficiently defined; this affects the results and repeatability of independent evaluation studies, and hence the insights that can be obtained from them. In this paper we evaluate FedBench, the most comprehensive testbed up to now, and empirically probe the need of considering additional dimensions and variables. The evaluation has been conducted on three SPARQL query federation systems, and the analysis of these results has allowed to uncover properties of these systems that would normally be hidden with the original testbeds.".
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- paper-20 title "Benchmarking Federated SPARQL Query Engines: Are Existing Testbeds Enough?".
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- paper-21 type InProceedings.
- paper-21 label "Extracting Justifications from BioPortal Ontologies".
- paper-21 sameAs paper-21.
- paper-21 abstract "This paper presents an evaluation of state of the art black box justification finding algorithms on the NCBO BioPortal ontology corpus. This corpus represents a set of naturally occurring ontologies that vary greatly in size and expressivity. The results paint a picture of the performance that can be expected when finding all justifications for entailments using black box justification finding techniques. The results also show that many naturally occurring ontologies exhibit a rich justificatory structure, with some ontologies having extremely high numbers of justifications per entailment.".
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- paper-21 title "Extracting Justifications from BioPortal Ontologies".
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- item-1 hasContent matthew-horridge.
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- paper-22 type InProceedings.
- paper-22 label "Evaluating Entity Summarization Using a Game-Based Ground Truth".
- paper-22 sameAs paper-22.
- paper-22 abstract "In recent years, strategies for Linked Data consumption have caught attention in Semantic Web research. For direct consumption by users, Linked Data mashups, interfaces, and visualizations have become a popular research area. Many approaches in this field aim to make Linked Data interaction more user friendly to improve its accessibility for nontechnical users. A subtask for Linked Data interfaces is to present entities and their properties in a concise form. In general, these summaries take individual attributes and sometimes user contexts and preferences into account. But the objective evaluation of the quality of such summaries is an expensive task. In this paper we introduce a game-based approach aiming to establish a ground truth for the evaluation of entity summarization. We exemplify the applicability of the approach by evaluating two recent summarization approaches.".
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- paper-22 title "Evaluating Entity Summarization Using a Game-Based Ground Truth".
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