Toyota Jidosha Kabushiki Kaisha

Toyota Mapmaster Inc.

Satoru Deguchi

Xin Jin

Makoto Matsushita

Kenta Nakanishi

Atsushi Inoue

Kazuhito Baba

A search device identifies names of POI from a document group having not been determined. A storage unit that stores a POI presence/absence learning model having learned contexts relating to presence/absence of POI, a POI state learning model having learned contexts relating to states of POI, and a POI name learning model having learned features relating to names of POI, an acceptance unit that accepts a first document group that is a determination target, first and second determination units and an identifying unit that identifies a name of a POI using the POI name learning model from each document of a third document group for which information relating to states of POI is determined by the second determination unit in a second document group are included.

Search device, search method, search program, and recording medium

A map information navigation system includes: a storage unit that stores POI data including point data about a POI, node data of nodes set on roads in advance, and link data of links connecting neighboring nodes; a specification unit that specifies one link located at a shortest distance from the POI among the links for each of a plurality of directions; a determination unit that sets one of the nodes included in the specified links as a specific point and determines a predetermined area centered on the POI and passing through the specific point as a presentation target range of map information; an acquisition unit that acquires current position information indicating a current position; and a presentation unit that presents POI data including the point data about the POI with entrance of the current position into the presentation target range as a trigger.

Map information creating device, navigation system, information display method, information display program, and recording medium

A navigation system includes: a search unit; an acquisition unit; a storage unit; a collection unit configured to collect one or more types of popularity information for specifying a popularity level indicating a level of popularity of each POI; a calculation unit configured to calculate the popularity level of each POI on the basis of the collected popularity information; a specification unit configured to specify the POIs having high popularity levels located within a predetermined distance from the route searched for by the search unit; and a presentation unit configured to present one POI specified by the specification unit before traveling near the corresponding POI, and the calculation unit calculates the popularity level on the basis of a deviation value calculated on the basis of the one or more types of popularity information and popularity information on other POIs included within a first predetermined range from the corresponding POI.

Growing community of inventors

Nagoyga, Japan

Satoru Deguchi