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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
  • NOUN 133: flights from pittsburgh to baltimore between 10 am and 2 pm
  • AUX 8: i am also interested in a flight that runs from st. louis to las vegas
• sunday
  • NOUN 133: show me the flights leaving saturday or sunday from milwaukee to phoenix
  • PROPN 1: i need a flight from philadelphia to denver on sunday
• nonstop
  • NOUN 127: which airlines have nonstop flights from kansas city to chicago
  • ADJ 30: i would like a nonstop flight from new york to las vegas on march second
  • ADV 1: i ‘d like to fly nonstop from atlanta to baltimore and get there at 7 pm
• airlines
  • PROPN 341: show delta airlines flights from jfk to miami
  • NOUN 123: what airlines have nonstop early afternoon flights from boston to denver
• airline
  • NOUN 71: how many flights does each airline have with first class service
  • PROPN 26: give me the flights for american airline from philadelphia to dallas
• stop
  • NOUN 53: i want to fly from denver to san francisco with at least one stop
  • VERB 43: does flight dl 323 dl 229 from boston to denver stop in philadelphia
• list
  • VERB 553: list the tower air flights on mondays
  • NOUN 49: give me a list of the morning flights from atlanta to boston
• airport
  • PROPN 121: tell me distance from orlando airport to the city
  • NOUN 46: what is the name of the airport at denver
• cost
  • NOUN 41: list lowest cost flight from dallas to baltimore
  • VERB 30: how much does flight dl 402 from denver to philadelphia cost
• may
  • NOUN 39: what are the flights from las vegas to burbank on saturday may twenty two
  • AUX 14: may i see all nonstop flights from st. petersburg to charlotte

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)

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