Watson Web – Exploring the Semantic Web
http://watson.kmi.open.ac.uk/

This is the Watson Web interface for searching ontologies and semantic documents using keywords. This interface is subject to frequent evolutions and improvements. At the moment, you can enter a set of keywords (e.g. “cat dog old_lady”), and obtain a list of URIs of semantic documents in which the keywords appear as identifiers or in literals of classes, properties, and individuals. You can also use “jokers” in the keywords (e.g., “ca? dog*”). Search options allow you to restrict the search space to particular types of entities (classes, properties or individuals) and to particular elements within the entities (local name, label, comment or any literal). For example, you can express queries like “give me the classes or the individuals using the term car in the name or in the label”. Navigation in the results follows very simple principles. First, whenever a sign appears, it can be used to display additional information about the element it is attached with. Second, every URI is clickable. A URI is a link to a page describing either the entity or the semantic document it corresponds to, and gives access to additional functionalities using this particular entity or document. This has been added to the tools section of Research Resources Subject Tracer™ Information Blog. This will be added to the Semantic Web Research section of Deep Web Research.