Public sample · limited taste

Bemba (IciBemba) — 6 of 31 dimensions.

This is a deliberately limited slice: one language (Bemba, the canonical prototype), 6 of the 31 concord dimensions, and only a handful of noun-class rows. Read across a row and you can watch one noun class govern the noun prefix, the subject and object concord, the adjective, and the demonstrative — the agreement cascade in miniature. The remaining 25 dimensions, the other 18 languages, and all machine-readable exports are available under evaluation.

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The cascade, in a few columns

One noun class, one row across.

N/A is a linguistic judgment, not missing data. Forms are shown exactly as certified. This is a taste of the 31-dimension matrix — not the matrix.

Class	Number	NP_Base_Prefix	SP_Affirmative	Object_Prefix	Adjective_Agreement	Demonstrative_Proximal	+ 25 more
1	Singular	mu-	a-	-mu-	mu-	uyu	🔒
2	Plural / Honorific Sg	ba-	ba-	-ba-	ba-	aba	🔒
3	Singular	mu-	u-	-u-	u-	uyu	🔒
4	Plural	mi-	i-	-i-	i-	iyi	🔒
5	Singular	li-	li-	-li-	li-	ili	🔒
6	Plural	ma-	ya-	-ya-	ya-	aya	🔒
7	Singular	ci-	ci-	-ci-	ci-	ici	🔒
8	Plural	fi-	fi-	-fi-	fi-	ifi	🔒

What's locked

Everything past this slice.

The full 31-dimension Bemba matrix (augments, negative concords, pronouns, the full demonstrative set, relatives, tone, nominalizer), the remaining 18 published languages, cross-language comparison, and the JSON / CSV / XLSX exports are all behind evaluation and license.

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Why it matters

This is your control surface.

Constrain generation to the class that governs a noun; detect agreement-chain errors in translation QA that a text-only model misses; build evals that test whether a model understands the concord cascade rather than word lookup. The full matrix is the machine-readable version of exactly what you see above.

Bemba (IciBemba) — 6 of 31 dimensions.

One noun class, one row across.

Everything past this slice.

This is your control surface.

Start where you are.