US 7,321,899 B2
Information processing apparatus and method, program, and recording medium
Mari Saito, Kanagawa (Japan); Noriyuki Yamamoto, Kanagawa (Japan); Mitsuhiro Miyazaki, Kanagawa (Japan); and Hiroyuki Koike, Kanagawa (Japan)
Assigned to Sony Corporation, Tokyo (Japan)
Filed on May 20, 2004, as Appl. No. 10/849,059.
Claims priority of application No. 2003-148593 (JP), filed on May 27, 2003.
Prior Publication US 2005/0010582 A1, Jan. 13, 2005
Int. Cl. G06F 7/00 (2006.01)
U.S. Cl. 707—102 11 Claims
OG exemplary drawing
 
1. An information processing apparatus comprising:
a processor configured to acquire metadata of content;
said processor configured to analyze an attribute of said acquired metadata;
said processor configured to generate dictionary data for correlating said attribute with an attribute item contained in said attribute on the basis of a result of said analysis;
said processor configured to detect, from among words contained in said metadata, a word which is high in co-occurrence in metadata of other contents having a particular attribute item as a keyword of said attribute item, thereby correlating said attribute item of said metadata with said keyword;
said processor configured to assign said attribute item to said acquired metadata on the basis of said generated dictionary data; and
a memory configured to store said metadata assigned with said attribute item into a database.