Dialogue device and dialogue method

JP2026103177APending Publication Date: 2026-06-24HITACHI LTD
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
HITACHI LTD
Filing Date
2024-12-12
Publication Date
2026-06-24

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  • Figure 2026103177000001_ABST
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Abstract

In response to a user's question, a new question is generated based on the user's prior knowledge, and an answer is obtained. [Solution] The dialogue device 100 includes a dialogue unit 111 that outputs an answer obtained by sending a prompt containing obvious information related to the questioner's tendencies to a language model server. Tendencies are language information relating to the questioner's state related to the question. Obvious information is language information indicating knowledge related to the question. For example, a prompt is a prompt that requests at least one output from a question related to the question asked by the questioner, a question following the question asked by the questioner, and a question to ask the questioner again. Another example is a prompt that requests an answer to the question asked by the questioner.
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Claims

1. It includes an interactive unit that outputs the answer obtained by sending a prompt containing obvious information related to the tendencies of the questioner who asked the question to a language model server. The aforementioned trend is, This is linguistic information relating to the state of the questioner in relation to the aforementioned question, The aforementioned obvious information is, This is linguistic information that demonstrates knowledge related to the aforementioned question. Dialogue device.

2. From the dialogue log, which includes a question posed by a second questioner, including at least one of the aforementioned questioner and a different questioner, and the language model server's response to that question, a background knowledge generation prompt is generated that instructs the extraction of the trend and the obvious information related to that trend. A background knowledge generation unit generates a background knowledge database that includes the trend obtained by sending the background knowledge generation prompt to the language model server and the obvious information related to the trend. The system includes a background knowledge extraction unit that obtains trends similar to the questioner's trends from among the trends included in the background knowledge database, and obtains obvious information related to those trends, The aforementioned dialogue unit, The obvious information acquired by the background knowledge extraction unit is included in the prompt. The dialogue device according to claim 1.

3. The aforementioned background knowledge generation unit, Depending on the affiliation or role of the second questioner, one or more of the aforementioned background knowledge databases are generated. The aforementioned background knowledge extraction unit, Select a background knowledge database appropriate to the affiliation or role of the aforementioned questioner and obtain the aforementioned obvious information. The dialogue device according to claim 2.

4. The aforementioned background knowledge generation unit, The explanation of technical terms included in the second questioner's question is included in the background knowledge generation prompt. The dialogue device according to claim 2.

5. The aforementioned trend is, This refers to the status of readers of internal organizational documents. The aforementioned obvious information is, This knowledge is contained in the aforementioned internal organizational documents. From the aforementioned internal organizational documents, a prerequisite knowledge generation prompt is generated that instructs the extraction of the aforementioned trend and the aforementioned obvious information related to that trend. A background knowledge generation unit generates a background knowledge database that includes the trend obtained by sending the background knowledge generation prompt to the language model server and the obvious information related to the trend. The system includes a background knowledge extraction unit that obtains trends similar to the questioner's trends from among the trends included in the background knowledge database, and obtains obvious information related to those trends, The aforementioned dialogue unit, The obvious information acquired by the background knowledge extraction unit is included in the prompt. The dialogue device according to claim 1.

6. The aforementioned background knowledge generation unit, Depending on the affiliation or role of the reader, one or more of the aforementioned background knowledge databases are generated. The aforementioned background knowledge extraction unit, Select a background knowledge database appropriate to the affiliation or role of the aforementioned questioner and obtain the aforementioned obvious information. The dialogue device according to claim 5.

7. The aforementioned background knowledge extraction unit, In addition to the obvious information related to the aforementioned trend, we also acquire obvious information similar to that obvious information. The dialogue device according to claim 2 or 5.

8. The aforementioned prompt is, Questions related to the question asked by the aforementioned questioner, The following questions were asked by the aforementioned questioner, and This is a prompt that requests at least one output from either the questioner being asked a follow-up question, or the following: The dialogue device according to claim 1.

9. The aforementioned prompt is, This is a prompt requesting an answer to the question posed by the aforementioned questioner. The dialogue device according to claim 1.

10. The aforementioned dialogue unit, If the question posed by the aforementioned questioner is based on the aforementioned obvious information, The system outputs the response obtained by sending a prompt to the language model server requesting an answer to the question posed by the aforementioned questioner. If it is not chosen to assume the aforementioned obvious information with respect to the question asked by the aforementioned questioner, Questions related to the question asked by the aforementioned questioner, The following questions were asked by the aforementioned questioner, and The response obtained is output by sending a prompt to the language model server requesting at least one output from either the questioner or a follow-up question. The dialogue device according to claim 1.

11. The dialogue device, The process involves sending a prompt to the language model server containing obvious information related to the questioner's tendencies, thereby outputting the obtained response. The aforementioned trend is, This is linguistic information relating to the state of the questioner in relation to the aforementioned question, The aforementioned obvious information is, This is linguistic information that demonstrates knowledge related to the aforementioned question. Methods of dialogue.