ReadWriteWeb had a nice, long article written on Wingify’s ContextSense. Read the article titled Identify Any Website’s Sentiment with ContextSense.
The categories list was similar to the concepts list except it showed more of a drill-down as to what broader topics the concepts came from. For example, for “Semantic Web,” the associated category was “Reference > Knowledge Management > Knowledge Representation > Semantic Web.”
The tool also ranked our site as “slightly positive,” which makes sense since we’re passionate about technology and don’t (often) post negative reviews – we tend to just skip product reviews for those sites and services we don’t think much of.