The Gomez partnered dotMobi for Mobile Search Benchmark. The benchmark was based on different parameters such as Discoverability, Readiness, Availability, Response Time, and Consistency of a typical Search application on a mobile device. Navigate to www.gomez.com to get more details of above parameters.
Here are the original results for search category.
Ranking was indicated with Five-Bar scoring where each bar denotes parameters as stated above and Yahoo! oneSearch was clear winner in Mobile Search category.