Matches in ScholarlyData for { ?s ?p ?o. }
- item-2 hasContent claudio-gutierrez.
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- item-3 hasContent alessandro-mosca.
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- paper-08 type InProceedings.
- paper-08 label "Indented Tree or Graph? A Usability Study of Ontology Visualization Techniques in the Context of Class Mapping Evaluation".
- paper-08 sameAs paper-08.
- paper-08 abstract "Research effort in ontology visualization has largely focused on developing new visualization techniques. At the same time, researchers have paid less attention to investigating the usability of common visualization techniques that many practitioners regularly use to visualize ontological data. In this paper, we focus on two popular ontology visualization techniques: indented tree and graph. We conduct a controlled usability study with an emphasis on the effectiveness, efficiency, workload and satisfaction of these visualization techniques in the context of assisting users during evaluation of ontology mappings. Findings from this study have revealed both strengths and weaknesses of each visualization technique. In particular, while the indented tree visualization is more organized and familiar to novice users, subjects found the graph visualization to be more controllable and intuitive without visual redundancy, particularly for ontologies with multiple inheritance.".
- paper-08 hasAuthorList authorList.
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- paper-08 title "Indented Tree or Graph? A Usability Study of Ontology Visualization Techniques in the Context of Class Mapping Evaluation".
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- item-1 hasContent bo-fu.
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- item-2 hasContent natasha-f-noy.
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- item-3 hasContent margaret-anne-storey.
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- paper-09 type InProceedings.
- paper-09 label "Real-time RDF extraction from unstructured data streams".
- paper-09 sameAs paper-09.
- paper-09 abstract "The vision behind the Web of Data is to extend the current document-oriented Web with machine-readable facts and structured data, thus creating a representation of general knowledge. However, most of the Web of Data is limited to being a large compendium of encyclopedic knowledge describing entities. A huge challenge, the timely and massive extraction of RDF facts from unstructured data, has remained open so far. The availability of such knowledge on the Web of Data would provide significant benefits to manifold applications including news retrieval, sentiment analysis and business intelligence. In this paper, we address the problem of the actuality of the Web of Data by presenting an approach that allows extracting RDF triples from unstructured data streams. We employ statistical methods in combination with deduplication, disambiguation and unsupervised as well as supervised machine learning techniques to create a knowledge base that reflects the content of the input streams. We evaluate a sample of the RDF we generate against a large corpus of news streams and show that we achieve a precision of more than 85%.".
- paper-09 hasAuthorList authorList.
- paper-09 isPartOf proceedings-1.
- paper-09 title "Real-time RDF extraction from unstructured data streams".
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- item-1 hasContent daniel-gerber.
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- item-2 hasContent sebastian-hellmann.
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- item-3 hasContent lorenz-buehmann.
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- item-5 hasContent axel-cyrille-ngonga-ngomo.
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- item-6 hasContent ricardo-usbeck.
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- paper-10 type InProceedings.
- paper-10 label "One License to Compose Them All: a deontic logic approach to data licensing on the Web of Data".
- paper-10 sameAs paper-10.
- paper-10 abstract "In the domain of Linked Open Data a need is emerging for developing automated frameworks able to generate the licensing terms associated to data coming from heterogeneous distributed sources. This paper proposes and evaluates a deontic logic semantics which allows us to define the deontic components of the licenses, i.e., permissions, obligations, and prohibitions, and generate a composite license compliant with the licensing items of the composed different licenses. Some heuristics are proposed to support the data publisher in choosing the licenses composition strategy which better suits her needs w.r.t. the data she is publishing.".
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- paper-10 title "One License to Compose Them All: a deontic logic approach to data licensing on the Web of Data".
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- item-1 hasContent guido-governatori.
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- item-2 hasContent antonino-rotolo.
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- item-3 hasContent serena-villata.
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