Content control method, content control apparatus, and program

A content control apparatus comprising:

• a first content file information obtaining unit configured to obtain first content file information including attribute information items each on one of first content files (i) which belong to a first content file group and (ii) each of which have an identifier assigned by a first rule;
• a second content file information obtaining unit configured to obtain second content file information including attribute information items each on one of second content files (i) which belong to a second content file group and (ii) each of which have an identifier assigned by a second rule which is different from the first rule;
• a narrowing unit configured to narrow down the first content files, the narrowed-down first content files working as matching targets and each having an attribute information item satisfying a condition which is set based on the first content file information and the second content file information;
• and
• a content file identifying unit configured to identify, respectively from among the narrowed-down first content files and the second content files, a first content file and a second content file which are partially or entirely same by matching entity information items each on one of the second content files and entity information items each on one of the narrowed-down first content files as the matching targets.

A non-transitory computer-readable recording medium for use in a computer, the recording medium having a computer program recorded thereon for causing the computer to execute:

• obtaining first content file information including attribute information items each on one of first content files (i) which belong to a first content file group and (ii) each of which have an identifier assigned by a first rule;
• obtaining second content file information including attribute information items each on one of second content files (i) which belong to a second content file group and (ii) each of which have an identifier assigned by a second rule which is different from the first rule;
• narrowing down the first content files, the narrowed-down first content files working as matching targets and each having an attribute information item satisfying a condition which is set based on the first content file information and the second content file information;
• and
• identifying, respectively from among the narrowed-down first content files and the second content files, a first content file and a second content file which are partially or entirely same by matching entity information items each on one of the second content files and entity information items each on one of the narrowed-down first content files as the matching targets.