CPC G06F 16/2468 (2019.01) [G06F 16/93 (2019.01); G06V 30/347 (2022.01); G06V 30/416 (2022.01); G06V 30/10 (2022.01)] | 20 Claims |
1. A document retrieval apparatus comprising:
a storage device configured to store a program; and
a processor configured to execute the program, and perform a process including
receiving an input of a keyword;
acquiring an author's name and a document file from a digital document database which stores document files of text data obtained by performing a character recognition process with respect to document image data of handwritten documents, and names of authors who wrote the handwritten documents;
referencing an associating keyword database which stores information associating the authors' names, keywords, and associating keywords, to acquire an associating keyword of the input keyword, from the received input keyword and the acquired author's name;
searching the acquired document file, using the input keyword and the acquired associating keyword; and
outputting a search result of the searching.
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