Methods of and systems for dynamically rearranging search results into hierarchically organized concept clusters are provided. A method of searching for and presenting content items as an arrangement of conceptual clusters to facilitate further search and navigation on a display-constrained device includes...http://www.google.co.uk/patents/US20090198688?utm_source=gb-gplus-sharePatent US20090198688 - METHODS AND SYSTEMS FOR DYNAMICALLY REARRANGING SEARCH RESULTS INTO HIERARCHICALLY ORGANIZED CONCEPT CLUSTERS
