Information processing device, information processing method, and computer program product

An information processing method implemented by a computer, the method comprising:

• selecting one or more pieces of partial document data from document data;
• extracting, from the partial document data, first information being one or more words or phrases for specifying a first attribute describing a topic of the partial document data;
• extracting, from the partial document data, as second information, one or more words or phrases that remain in the partial document data after extracting the first information, the second information being one or more words or phrases for specifying a second attribute of the partial document data, the second attribute describing an expression used in common with other partial document data;
• calculating a first feature value representing a feature of the first information;
• calculating a second feature value representing a feature of the second information;
• analyzing the document data on the basis of the first feature value and the second feature value;
• and
• outputting an analysis result to at least one of a display and another device connected via a network.

A computer program product comprising a non-transitory computer-readable recording medium on which a computer program executable by a computer is recorded, the computer program instructing the computer to:

• select one or more pieces of partial document data from document data;
• extract, from the partial document data, first information being one or more words or phrases for specifying a first attribute describing a topic of the partial document data;
• extract, from the partial document data, as second information, one or more words or phrases that remain in the partial document data after extracting the first information, the second information being one or more words or phrases for specifying a second attribute of the partial document data, the second attribute describing an expression used in common with other partial document data;
• calculate a first feature value representing a feature of the first information;
• calculate a second feature value representing a feature of the second information;
• analyze the document data on the basis of the first feature value and the second feature value;
• and
• output an analysis result to at least one of a display and another device connected via a network.