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This page pertains to UD version 2.

Treebank Statistics: UD_English-Atis: POS Tags: PROPN

There are 218 PROPN lemmas (24%), 220 PROPN types (21%) and 14775 PROPN tokens (24%). Out of 14 observed tags, the rank of PROPN is: 1 in number of lemmas, 2 in number of types and 1 in number of tokens.

The 10 most frequent PROPN lemmas: San, Boston, Denver, Francisco, Atlanta, Pittsburgh, Dallas, Baltimore, Philadelphia, Washington

The 10 most frequent PROPN types: san, boston, denver, francisco, atlanta, pittsburgh, dallas, baltimore, philadelphia, washington

The 10 most frequent ambiguous lemmas: airline (PROPN 341, NOUN 194), Saturday (NOUN 137, PROPN 5), 733 (PROPN 2, NUM 1), 100 (NUM 1, PROPN 1), 747 (NUM 4, PROPN 1), 767 (NUM 1, PROPN 1)

The 10 most frequent ambiguous types: airlines (PROPN 341, NOUN 123), city (PROPN 285, NOUN 5), airport (PROPN 121, NOUN 46), air (PROPN 96, NOUN 7), long (PROPN 41, ADJ 4, ADV 4), coach (PROPN 32, NOUN 11), airline (NOUN 71, PROPN 26), night (PROPN 26, NOUN 16), rental (PROPN 11, ADJ 5), north (PROPN 10, ADV 3, ADJ 1)

Morphology

The form / lemma ratio of PROPN is 1.009174 (the average of all parts of speech is 1.144766).

The 1st highest number of forms (1) was observed with the lemma “100”: 100.

The 2nd highest number of forms (1) was observed with the lemma “1083”: 1083.

The 3rd highest number of forms (1) was observed with the lemma “72s”: 72s.

PROPN occurs with 1 features: Number (14775; 100% instances)

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

PROPN occurs with 2 feature combinations. The most frequent feature combination is Number=Sing (14419 tokens). Examples: san, boston, denver, francisco, atlanta, pittsburgh, dallas, baltimore, philadelphia, washington

Relations

PROPN nodes are attached to their parents using 19 different relations: nmod (7573; 51% instances), flat (3097; 21% instances), obl (2445; 17% instances), conj (468; 3% instances), compound (325; 2% instances), appos (242; 2% instances), nsubj (221; 1% instances), obj (147; 1% instances), root (140; 1% instances), list (31; 0% instances), nmod:tmod (28; 0% instances), dislocated (17; 0% instances), amod (13; 0% instances), nmod:poss (11; 0% instances), obl:tmod (9; 0% instances), reparandum (3; 0% instances), acl:relcl (2; 0% instances), parataxis (2; 0% instances), ccomp (1; 0% instances)

Parents of PROPN nodes belong to 11 different parts of speech: NOUN (7708; 52% instances), PROPN (4079; 28% instances), VERB (2538; 17% instances), ADJ (235; 2% instances), (140; 1% instances), PRON (35; 0% instances), ADV (25; 0% instances), AUX (7; 0% instances), NUM (4; 0% instances), CCONJ (3; 0% instances), ADP (1; 0% instances)

3907 (26%) PROPN nodes are leaves.

7475 (51%) PROPN nodes have one child.

2845 (19%) PROPN nodes have two children.

548 (4%) PROPN nodes have three or more children.

The highest child degree of a PROPN node is 7.

Children of PROPN nodes are attached using 28 different relations: case (9819; 66% instances), flat (3107; 21% instances), conj (488; 3% instances), cc (441; 3% instances), nmod (324; 2% instances), appos (225; 2% instances), det (151; 1% instances), compound (95; 1% instances), list (77; 1% instances), nmod:tmod (33; 0% instances), nummod (33; 0% instances), nsubj (29; 0% instances), amod (24; 0% instances), cop (24; 0% instances), advmod (19; 0% instances), acl:relcl (13; 0% instances), obl:tmod (10; 0% instances), discourse (8; 0% instances), cc:preconj (7; 0% instances), aux (5; 0% instances), nmod:poss (5; 0% instances), reparandum (3; 0% instances), acl (2; 0% instances), dislocated (2; 0% instances), mark (2; 0% instances), advcl (1; 0% instances), ccomp (1; 0% instances), obj (1; 0% instances)

Children of PROPN nodes belong to 13 different parts of speech: ADP (9807; 66% instances), PROPN (4079; 27% instances), CCONJ (449; 3% instances), NOUN (260; 2% instances), DET (151; 1% instances), NUM (64; 0% instances), ADV (32; 0% instances), AUX (29; 0% instances), ADJ (23; 0% instances), VERB (21; 0% instances), PART (14; 0% instances), PRON (14; 0% instances), INTJ (6; 0% instances)