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This page pertains to UD version 2.

nummod: numeric modifier

A numeric modifier of a noun is any number phrase that serves to modify the meaning of the noun with a quantity.

Sam ate 3 sheep
nummod(sheep, 3)
Sam spent forty dollars
nummod(dollars, forty)
Sam spent $ 40
nummod($, 40)

Note that indefinite quantifiers such as few, many are tagged u-pos/DET rather than u-pos/NUM. Therefore their relation to the quantified noun is not nummod but det:

Sam ate many sheep
det(sheep, many)

Furthermore, a number that serves as a label for an entity rather than denoting quantity is not nummod. For example, in The meeting will be in room 4, the number is the name of a particular room, it is different from the expression 4 rooms. Note that the label of the room could also be non-numeric, as in The meeting will be in room A. UD analyzes the number as a nominal (even if keeping the UPOS tag NUM for it). Hence the number is attached as nmod to the noun it modifies, unless there is clear morphosyntactic evidence in the language for the opposite direction. See also §3.6.3 of de Marneffe et al. (2021).

The meeting will be in room 4
det(meeting, The)
nsubj(room, meeting)
aux(room, will)
cop(room, be)
case(room, in)
nmod(room, 4)

nummod in other languages: [bg] [bm] [cop] [cs] [de] [el] [en] [es] [eu] [fi] [fr] [fro] [ga] [gsw] [hy] [it] [ja] [kk] [no] [pcm] [pt] [ro] [ru] [sv] [swl] [tr] [u] [yue] [zh]