Patent №
US 6,865,571
Granted
2005-03-08
Filed 2001
Owner
HITACHI, LTD.
Lab
—
AI components
5
ml · nlp · kr · planning · hardware
Assignment
Recorded
Dataset
AIPD
2023_r1 edition
Application
09952594
A document retrieval method using a computer program includes retrieving a first set of documents using a first query expression generated by the computer program. The first set of documents is provided to a user. An evaluation of the first set of documents is received from the user. The first query expression is changed to a second query expression generated by the computer program based on the evaluation.
AI classification
Ownership
HITACHI, LTD.
assignment · 121800824
Assignors
INABA, YASUHIKO, TADA, KATSUMI, SUGAYA, NATSUKO, MATSUBAYASHI, TADATAKA, YAMAGUCHI, AKIHIKO, TOKUNAGA, MIKIHIKO
On an employer assignment, the assignors are typically the inventors.