The Web of Data has many equivalent URIs.
This service helps you to find co-references between different data sets. Enter a known URI, or use Sindice to search first.
The intention of this service is to simplify a common task in the work of RDF developers: remembering and looking up URI prefixes.
You can look up prefixes from the search box on the homepage, or directly by typing URLs into your browser bar, such as http://prefix.cc/foaf or http://prefix.cc/foaf,dc,owl.ttl.
A Semantic content editor based on TinyMCE WYSIWYG editor. RDFaCE is created as a proof of concept for WYSIWYM (What You See Is What You Mean) concept. WYSIWYM aims to enable end-users to easily annotate their content using RDFa and Microdata markups. RDFaCE employs external NLP APIs to suggest namespaces, properties, URIs and to automatically annotate content. "