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JapanPublic sector2024 – ongoing

Gunma Prefectural Government

ChatSense for internal document retrieval

Gunma's ChatSense users reported about 30% less work in an early staff survey

WorkingVendor case studyVendor ↗

Problem

Gunma wanted staff to use internal documents and ordinances through generative AI. The service needed to be practical for everyday administrative work.

Approach

Gunma introduced Knowledge Sense's ChatSense for selected staff. Retrieval-augmented generation made internal material available for AI responses. The vendor reported survey results after a year of early use.

Results

~30%average work reduction reported in the early-user survey, according to Knowledge SenseVendor case study[1]
86%early users who reported improved work, according to Knowledge SenseVendor case study[1]

Takeaway

The reported savings came from an early-user survey. They were not a measured reduction across the entire prefectural workforce.

Categories

Innovation type
Process innovation
AI technology
Generative AI
Evidence
Vendor case study

Sources

  1. 群馬県、生成AIサービス「ChatSense」を導入
    Knowledge Sense28 Aug 2025Vendor publication

Source summaries

[1]Knowledge Sense28 Aug 2025

Knowledge Sense announced Gunma's use of ChatSense for internal information. It reported that 86% of early users experienced work improvements and that average work fell by about 30% in their survey responses.

Full details are in the original sources.

Added 1 Nov 2026 · Updated 1 Nov 2026
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