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)
- am
- sunday
- nonstop
- airlines
- airline
- stop
- list
- airport
- cost
- may
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 (1202; 11% instances), nmod (967; 9% instances), obl:tmod (819; 7% instances), root (605; 6% instances), obl (593; 5% instances), conj (192; 2% instances), list (64; 1% instances), dislocated (47; 0% instances), flat (30; 0% instances), amod (27; 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 (4048; 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 (32; 0% instances), DET (8; 0% instances)
1685 (15%) NOUN
nodes are leaves.
2461 (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 (8090; 34% instances), det (4521; 19% instances), case (2988; 13% instances), compound (2138; 9% instances), amod (1738; 7% instances), nmod:tmod (1155; 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 (4048; 17% instances), ADP (3007; 13% instances), ADJ (1719; 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)