This is part of archived UD v1 documentation. See http://universaldependencies.org/ for the current version.
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X: other

Definition

The tag X is used for words that for some reason cannot be assigned a real part-of-speech category.

The X tag is disprefered, but kept in the treebank from the conversion of the previous tags in the initial distribution of the Copenhagen Dependency Treebank for foreign words, OCR errors, and parts of distributionally arranged compounds like musik- og billedprogrammermusic and image programs”


Treebank Statistics (UD_Danish)

There are 366 X lemmas (3%), 365 X types (2%) and 439 X tokens (0%). Out of 17 observed tags, the rank of X is: 7 in number of lemmas, 7 in number of types and 15 in number of tokens.

The 10 most frequent X lemmas: of, MEDARB, en, vivaldi, we, allesammen, are, at, frue, hel

The 10 most frequent X types: of, MEDARB, en, vivaldi, we, allesammen, are, at, fru, hel

The 10 most frequent ambiguous lemmas: en (DET 2187, PRON 104, X 7), at (PART 1215, SCONJ 957, X 3), hel (ADJ 98, X 3), med (ADP 1045, ADV 82, X 3), the (X 3, NOUN 1), af (ADP 1265, ADV 29, X 2), fremfor (X 2, ADP 1), følge (VERB 40, NOUN 12, X 2), i (ADP 2838, ADV 10, X 1), in (X 2, ADJ 1)

The 10 most frequent ambiguous types: en (DET 1395, PRON 49, X 7), at (PART 1209, SCONJ 943, X 3), hel (ADJ 12, X 3), med (ADP 1008, ADV 80, X 3), the (X 3, NOUN 1), af (ADP 1251, ADV 29, X 2), forsknings- (NOUN 2, X 1), fremfor (X 2, ADP 1), følge (NOUN 11, VERB 8, X 2), i (ADP 2622, ADV 10, X 1)

Morphology

The form / lemma ratio of X is 0.997268 (the average of all parts of speech is 1.355873).

The 1st highest number of forms (1) was observed with the lemma “04099l”: 04099l.

The 2nd highest number of forms (1) was observed with the lemma “12all”: 12all.

The 3rd highest number of forms (1) was observed with the lemma “16-ventilet”: 16-ventilet.

X occurs with 2 features: Foreign (111; 25% instances), Abbr (32; 7% instances)

X occurs with 2 feature-value pairs: Abbr=Yes, Foreign=Yes

X occurs with 3 feature combinations. The most frequent feature combination is _ (296 tokens). Examples: MEDARB, en, vivaldi, allesammen, at, hel, med, Statskundskab/Samfundsfag, af, aller

Relations

X nodes are attached to their parents using 17 different relations: advmod (95; 22% instances), nmod (67; 15% instances), foreign (61; 14% instances), amod (45; 10% instances), conj (41; 9% instances), dobj (25; 6% instances), name (21; 5% instances), nsubj (21; 5% instances), root (21; 5% instances), list (13; 3% instances), nmod:poss (10; 2% instances), appos (6; 1% instances), cc (4; 1% instances), mark (4; 1% instances), nmod:tmod (2; 0% instances), nsubjpass (2; 0% instances), nmod:loc (1; 0% instances)

Parents of X nodes belong to 13 different parts of speech: NOUN (113; 26% instances), VERB (94; 21% instances), X (75; 17% instances), PROPN (47; 11% instances), NUM (33; 8% instances), ADJ (21; 5% instances), ROOT (21; 5% instances), PRON (17; 4% instances), ADV (8; 2% instances), AUX (4; 1% instances), PART (3; 1% instances), ADP (2; 0% instances), CONJ (1; 0% instances)

229 (52%) X nodes are leaves.

89 (20%) X nodes have one child.

63 (14%) X nodes have two children.

58 (13%) X nodes have three or more children.

The highest child degree of a X node is 10.

Children of X nodes are attached using 21 different relations: conj (76; 17% instances), punct (65; 15% instances), cc (58; 13% instances), foreign (56; 13% instances), case (51; 12% instances), nmod (38; 9% instances), dobj (15; 3% instances), amod (13; 3% instances), nsubj (12; 3% instances), name (9; 2% instances), advcl (8; 2% instances), advmod (8; 2% instances), nmod:poss (8; 2% instances), appos (5; 1% instances), list (5; 1% instances), mark (3; 1% instances), acl:relcl (2; 0% instances), nummod (2; 0% instances), expl (1; 0% instances), nmod:loc (1; 0% instances), vocative (1; 0% instances)

Children of X nodes belong to 13 different parts of speech: NOUN (104; 24% instances), X (75; 17% instances), PUNCT (65; 15% instances), ADP (51; 12% instances), CONJ (48; 11% instances), PROPN (34; 8% instances), ADJ (17; 4% instances), ADV (13; 3% instances), VERB (12; 3% instances), SYM (8; 2% instances), NUM (4; 1% instances), PRON (4; 1% instances), SCONJ (2; 0% instances)


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