Jeremy Swiller writes that refinement systems such as Relona can be used by search-engines to immediately increase their value to users. (Read More >>>)

Relona's algorithm delivers search-results that are better aligned with a user's search-intent. The algorithm uses statistical analysis techniques to improve the accuracy of Yahoo's search back-end. Relona's demo is based on Yahoo's search API, but it delivers results that are often significantly more relevant.