Searching device and searching method
An information retrieval and location information technology, applied in structured data retrieval, digital data information retrieval, instruments, etc., can solve problems such as inability to achieve effective retrieval by voice recognition, no documented solution, and vague memory of user retrieval objects and retrieval terms.
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Embodiment approach 1
[0058] figure 1 It is an explanatory diagram showing the outline of the information retrieval system. In the present embodiment, facility information such as stations, sightseeing spots, stadiums, restaurants, houses, hotels, department stores, etc. that can be retrieved by searching with mobile phones, car navigation devices, etc., is taken as an example. Be explained.
[0059] For the search devices 1, 1, 1..., for example, a navigation device mounted on a mobile body such as a vehicle, ship, or motorcycle, a portable navigation device detachable from a vehicle, or a portable terminal can be used. As the portable terminal, a notebook personal computer, a mobile phone, a game machine, a PDA (Personal Digital Assistant), a smart phone, a music player, and the like can be used. When the search device 1 is a mobile phone or the like, route search or the like may be executed through cooperative processing with a server computer 2 connected via a communication network N includin...
Embodiment approach 2
[0097] Embodiment 2 relates to processing when a plurality of extraction results are obtained. Figure 13 It is an explanatory diagram showing the record format of the dictionary DB 157 according to the second embodiment. Figure 13 The example of the example shows the following example: on July 1, the noodle restaurant of store A is searched, on July 2, the pasta restaurant of store E is searched, and on July 7, the noodle restaurant of store A described in Embodiment 1 is searched. In the record shown by the search ID "0701001", the elapsed information is last week and this month, so, in the dictionary DB 157, the dates of unit ID 104 (last week) and unit ID 105 (this month) are stored after the change process Unit 100.
[0098] Regarding search ID "0702005", similar to search ID "0701001", the elapsed information is last week and this month, so in dictionary DB 157, storage unit ID 104 (last week) and unit ID 105 (this month) ) in the date unit 100. Although shop E is a ...
Embodiment approach 3
[0103] Embodiment 3 relates to a system in which the passage information is expanded. For example, when searching for noodle restaurants at the beginning of the year and searching by voice recognition half a year later, since the past information is "this year", it is necessary to input "noodle restaurants visited this year". However, the memory is fuzzy and sometimes mistaken for the end of last year. In this embodiment, the progress information is extended by referring to the associated file. For example, "last year", which is a different date-related sentence, is used as expanded progress information. Thereby, it is possible to search for A shop even for "noodle shop visited last year". Details are given below.
[0104] Figure 16 It is a block diagram showing a hardware group of the car navigation device 1 according to the third embodiment. In addition to the configuration of the first embodiment, a related file 1510 is stored in the storage unit 15 . Figure 17 is a...
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