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This page pertains to UD version 2.

Treebank Statistics: UD_English-Atis: POS Tags: NOUN

There are 174 NOUN lemmas (19%), 221 NOUN types (21%) and 10930 NOUN tokens (18%). Out of 14 observed tags, the rank of NOUN is: 3 in number of lemmas, 1 in number of types and 3 in number of tokens.

The 10 most frequent NOUN lemmas: flight, fare, morning, pm, wednesday, trip, ground, class, round, transportation

The 10 most frequent NOUN types: flights, flight, pm, morning, wednesday, fare, trip, ground, round, transportation

The 10 most frequent ambiguous lemmas: airline (PROPN 341, NOUN 194), Saturday (NOUN 137, PROPN 5), Sunday (NOUN 133, PROPN 1), nonstop (NOUN 129, ADJ 30, ADV 1), stop (VERB 81, NOUN 65), list (VERB 554, NOUN 62), service (NOUN 48, VERB 3), cost (NOUN 45, VERB 30), price (NOUN 42, VERB 1), return (NOUN 28, VERB 16)

The 10 most frequent ambiguous types: am (NOUN 133, AUX 8), sunday (NOUN 133, PROPN 1), nonstop (NOUN 127, ADJ 30, ADV 1), airlines (PROPN 341, NOUN 123), airline (NOUN 71, PROPN 26), stop (NOUN 53, VERB 43), list (VERB 553, NOUN 49), airport (PROPN 121, NOUN 46), cost (NOUN 41, VERB 30), may (NOUN 39, AUX 14)

Morphology

The form / lemma ratio of NOUN is 1.270115 (the average of all parts of speech is 1.144766).

The 1st highest number of forms (3) was observed with the lemma “seat”: seat, seating, seats.

The 2nd highest number of forms (2) was observed with the lemma “abbreviation”: abbreviation, abbreviations.

The 3rd highest number of forms (2) was observed with the lemma “airfare”: airfare, airfares.

NOUN occurs with 1 features: Number (10930; 100% instances)

NOUN occurs with 2 feature-value pairs: Number=Plur, Number=Sing

NOUN occurs with 2 feature combinations. The most frequent feature combination is Number=Sing (7596 tokens). Examples: flight, pm, morning, wednesday, fare, trip, ground, round, transportation, class

Relations

NOUN nodes are attached to their parents using 23 different relations: obj (3055; 28% instances), compound (1822; 17% instances), nsubj (1445; 13% instances), nmod:tmod (1200; 11% instances), nmod (967; 9% instances), obl:tmod (818; 7% instances), root (605; 6% instances), obl (595; 5% instances), conj (192; 2% instances), list (64; 1% instances), dislocated (47; 0% instances), flat (30; 0% instances), amod (28; 0% instances), acl:relcl (17; 0% instances), appos (16; 0% instances), parataxis (8; 0% instances), ccomp (4; 0% instances), fixed (4; 0% instances), nmod:poss (4; 0% instances), xcomp (4; 0% instances), dep (2; 0% instances), reparandum (2; 0% instances), discourse (1; 0% instances)

Parents of NOUN nodes belong to 11 different parts of speech: VERB (4869; 45% instances), NOUN (4047; 37% instances), PRON (611; 6% instances), (605; 6% instances), ADJ (319; 3% instances), PROPN (260; 2% instances), ADV (89; 1% instances), NUM (50; 0% instances), AUX (39; 0% instances), ADP (33; 0% instances), DET (8; 0% instances)

1684 (15%) NOUN nodes are leaves.

2462 (23%) NOUN nodes have one child.

2642 (24%) NOUN nodes have two children.

4142 (38%) NOUN nodes have three or more children.

The highest child degree of a NOUN node is 8.

Children of NOUN nodes are attached using 36 different relations: nmod (8089; 34% instances), det (4521; 19% instances), case (2988; 13% instances), compound (2138; 9% instances), amod (1739; 7% instances), nmod:tmod (1153; 5% instances), acl:relcl (1151; 5% instances), nummod (716; 3% instances), cc (187; 1% instances), conj (176; 1% instances), nsubj (149; 1% instances), cop (141; 1% instances), obl (84; 0% instances), det:predet (72; 0% instances), appos (52; 0% instances), advmod (46; 0% instances), acl (41; 0% instances), flat (39; 0% instances), nmod:poss (38; 0% instances), discourse (22; 0% instances), dislocated (21; 0% instances), list (21; 0% instances), aux (19; 0% instances), obj (19; 0% instances), obl:tmod (19; 0% instances), mark (17; 0% instances), parataxis (7; 0% instances), cc:preconj (4; 0% instances), dep (3; 0% instances), expl (3; 0% instances), advcl (2; 0% instances), reparandum (2; 0% instances), ccomp (1; 0% instances), csubj (1; 0% instances), iobj (1; 0% instances), xcomp (1; 0% instances)

Children of NOUN nodes belong to 14 different parts of speech: PROPN (7708; 33% instances), DET (4592; 19% instances), NOUN (4047; 17% instances), ADP (3007; 13% instances), ADJ (1718; 7% instances), VERB (1194; 5% instances), NUM (802; 3% instances), CCONJ (193; 1% instances), AUX (161; 1% instances), PRON (138; 1% instances), ADV (96; 0% instances), INTJ (17; 0% instances), PART (8; 0% instances), SYM (2; 0% instances)