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The workshop on Usage Analysis and the Web of Data (USEWOD2011) was the first workshop in the field to investigate combinations of usage data with semantics and the Web of Data. Questions the workshop aims to address are for example: How can semantics help in understanding usage data, how can semantic information be derived from usage data, and how can we(More)
Weaving the Semantic Web the research community is working on publishing publicly available data sources as RDF data on the Web. Well-known costand process-oriented problems of ontology engineering hinder the employment of ontologies as a flexible, scalable, and cost-effective means for integrating data in corporate contexts. We propose an innovative(More)
The Diligent argumentation framework helps capture design deliberations in ontology-engineering discussions. It makes consensus-building tasks more efficient and provides detailed guidance for nonexperts. The semantic Web envisions an infrastructure in which humans and machines seamlessly exchange information on the Web. During the discussions participants(More)
The realization of the Semantic Web as a linked machine readable Web of data depends on the availability of authoring tools that enable ordinary Web users (i.e. non-experts w.r.t. Web technologies) to create and publish semantic data. In this paper, we introduce the " One Click Annotator " for enriching texts with RDFa annotations and linking resources(More)
Designing an effective and sustainable citizen science (CS)project requires consideration of a great number of factors. This makes the overall process unpredictable, even when a sound, user-centred design approach is followed by an experienced team of UX designers. Moreover, when such systems are deployed, the complexity of the resulting interactions(More)
The USEWOD2011 workshop investigates combinations of usage data with semantics and the web of data. The analysis of usage data may be enhanced using semantic information. Now that more and more explicit knowledge is represented on the Web, the question arises how these semantics can be used to aid large scale web usage analysis and mining. Conversely,(More)
We conducted a quantitative analysis of ten citizen science projects hosted on the Zooniverse platform, using a data set of over 50 million activity records and more than 250, 000 users, collected between December 2010 and July 2013. We examined the level of participation of users in Zooniverse discussion forums in relation to their contributions toward the(More)
LikeinSoftware Engineering the development of ontologies in ateam requires efficient support for the management of ontology versions. In this paper we introduce an SVN-based approach for versioning of W3C OWLontologies called SVoNt –asubversion system for ontologies. Our major goal wastoenable views on the revision history of an ontology on the concept(More)