We've introduced the trending Jev (TypeSafe System One)
Integrated Jev into the legal search tool Johbun-kun to judge which retrieved candidates are actually relevant to a query.
The original post, translated
We've introduced the trending Jev (TypeSafe System One) into the production of the legal search "Jōbun-kun." In Jōbun-kun, it's used in the process of judging, from among the candidates gathered by search, whether the information is truly necessary for this question.
Show the original post in its source language ▾
話題のJev（TypeSafe System One）を、法令検索「条文くん」の本番に入れました。 条文くんでは、検索で集めた候補の中から「この質問に本当に必要な情報か」を判断する処理に使っています。
The post above is a machine translation from ja; the untranslated text is in the fold-out.
Engagement when collected
Numbers are a snapshot taken from X when the case was added to the library (schema v1, collected 2026-09-19); they will not match today.
Where this case fits
Filed under general Jev builds. In the pattern Jev is built for, the model answers a bounded question per step — and ordinary code acts on the answer, because the answer is already a value rather than a paragraph. Browse the full case library for the work it sits next to.
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Last updated: 2026-09-22 · sources & corrections · every card links to its author's original post