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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)

• airlines
  • PROPN 341: show delta airlines flights from jfk to miami
  • NOUN 123: what airlines have nonstop early afternoon flights from boston to denver
• city
  • PROPN 285: list limousine rates for the city of boston
  • NOUN 5: tell me distance from orlando airport to the city
• airport
  • PROPN 121: tell me distance from orlando airport to the city
  • NOUN 46: what is the name of the airport at denver
• air
  • PROPN 96: list the tower air flights on mondays
  • NOUN 7: list all tower air flights with meals
• long
  • PROPN 41: all flights from sfo to long beach
  • ADJ 4: how long does it take to fly from boston to atlanta
  • ADV 4: how long does a flight from baltimore to san francisco take
• coach
  • PROPN 32: i ‘d like to buy a coach class ticket for a flight from denver to atlanta
  • NOUN 11: coach fares only weekdays for denver to boston
• 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
• night
  • PROPN 26: show me flights monday night after 8 pm for dallas to boston
  • NOUN 16: how many of delta ‘s night flights are first class
• rental
  • PROPN 11: rental cars in washington dc
  • ADJ 5: rental cars in boston
• north
  • PROPN 10: i need a flight from atlanta to charlotte north carolina next monday
  • ADV 3: do you have a flight from atlanta to charlotte north carolina next monday
  • ADJ 1: list the cheapest one way flight from miami florida to charlotte north carolina

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 (7574; 51% instances), flat (3096; 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)

3906 (26%) PROPN nodes are leaves.

7477 (51%) PROPN nodes have one child.

2844 (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 (3106; 21% instances), conj (488; 3% instances), cc (441; 3% instances), nmod (325; 2% instances), appos (225; 2% instances), det (150; 1% instances), compound (95; 1% instances), list (77; 1% instances), nmod:tmod (33; 0% instances), nummod (33; 0% instances), nsubj (29; 0% instances), amod (25; 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)

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