Semantic search: reconciling expressive querying and exploratory search
ISWC'11 Proceedings of the 10th international conference on The semantic web - Volume Part I
An interactive guidance process supporting consistent updates of RDFS graphs
EKAW'12 Proceedings of the 18th international conference on Knowledge Engineering and Knowledge Management
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UTILIS (Updating Through Interaction in Logical Information Systems), introduced in a research paper at EKAW'12, is an interactive process to help users create new objects in a RDF graph. While creating a new object, relaxation rules are applied to its current description to find similar objects, whose properties serve as suggestions to expand the description. UTILIS is implemented in Sewelis, a system that reconciles the expressiveness of querying languages (e.g., SPARQL), and the benefits of exploratory search found in faceted search. The same interaction principles are used for both exploration and creation of semantic data. We illustrate the UTILIS approach by applying Sewelis to the semantic annotation of comic panels, reusing the dataset that was used for a user evaluation.