According to one embodiment, a record information storage module stores record information related to content recorded by an external apparatus in association with a keyword representing the content and user information. A search information storage module stores a search phrase used for searching in an external apparatus in association with user information. A search word handler extracts a predetermined number of words having high search frequency from search phrases stored in association with specific user information to generate a word list. A record information handler extracts keywords stored in association with the specific user information to generate a keyword list. A ranking processor generates ranking information indicating a word in the word list which matches a keyword in the keyword list. A communicator provides the ranking information to an external apparatus corresponding to the specific user information.