15. The apparatus of claim 14 , wherein the query suggestion function includes: a local information extractor configured for obtaining key terms related to the selected term based on locally available content information; an external information extractor configured for obtaining key terms related to the selected term based on information available on external sources; and the apparatus further including an aggregation function configured for aggregating the obtained key terms for display as query suggestions.
15. The apparatus of claim 14 , wherein the query suggestion function includes: a local information extractor configured for obtaining key terms related to the selected term based on locally available content information; an external information extractor configured for obtaining key terms related to the selected term based on information available on external sources; and the apparatus further including an aggregation function configured for aggregating the obtained key terms for display as query suggestions. 17. The apparatus of claim 15 , wherein the local information extractor is further configured for obtaining key terms that contain the selected term, from a local index of metadata related to locally available media content.