Natural language processing apparatus and program

A non-transitory medium comprising an enterprise database in which an enterprise, a business content sentence, a business characteristic word and a business type are associated with each other, and storing a program causing an information processing apparatus to execute:

• generating an enterprise vector from a word vector of a word included in the business content sentence stored in the enterprise database;
• generating a business characteristic word vector from the enterprise vector of the enterprise that is associated with the business characteristic word in the enterprise database;
• and
• generating a business type vector from the enterprise vector of the enterprise that is associated with the business type in the enterprise database,
• wherein, upon the information processing apparatus receives a search query, the program causes the information processing apparatus to execute:
• extracting a synonym having a word vector with a similarity, that is equal to or higher than a first reference value, with a word vector of the search query;
• extracting the business characteristic word having the business characteristic word vector with a similarity, that is equal to or higher than a second reference value, with the word vector of the search query or the word vector of the synonym;
• extracting the business type having the business type vector with a similarity, that is equal to or higher than a third reference value, with the word vector of the search query or the word vector of the synonym;
• and
• extracting, from the enterprise database, enterprise information including at least one of the search query, the extracted synonym, the extracted business characteristic word or the extracted business type in at least one of the business content sentence, the business characteristic word or the business type.