Deep Universal Dependencies
Number of Empty Nodes in Each Deep UD Treebank
Empty nodes are used to represent elided predicates in gapping and stripping in the enhanced graphs.
| Treebank | Tokens | Empty nodes | Empty per 10k tokens |
|---|---|---|---|
| Afrikaans AfriBooms | 49276 | 0 | 0 |
| Akkadian PISANDUB | 1852 | 0 | 0 |
| Amharic ATT | 10010 | 0 | 0 |
| Ancient Greek Perseus | 202989 | 0 | 0 |
| Ancient Greek PROIEL | 213999 | 617 | 29 |
| Arabic PADT | 282384 | 82 | 3 |
| Arabic PUD | 20751 | 2 | 1 |
| Armenian ArmTDP | 36549 | 0 | 0 |
| Assyrian AS | 453 | 0 | 0 |
| Basque BDT | 121443 | 0 | 0 |
| Belarusian HSE | 13325 | 0 | 0 |
| Breton KEB | 10054 | 0 | 0 |
| Bulgarian BTB | 156149 | 1 | 0 |
| Buryat BDT | 10185 | 0 | 0 |
| Catalan AnCora | 531971 | 4 | 0 |
| Classical Chinese Kyoto | 55026 | 0 | 0 |
| Coptic Scriptorium | 25756 | 0 | 0 |
| Croatian SET | 199441 | 132 | 7 |
| Czech CAC | 494383 | 1339 | 27 |
| Czech CLTT | 35630 | 20 | 6 |
| Czech FicTree | 167056 | 214 | 13 |
| Czech PDT | 1506484 | 2649 | 18 |
| Czech PUD | 18610 | 13 | 7 |
| Danish DDT | 100733 | 0 | 0 |
| Dutch Alpino | 208633 | 64 | 3 |
| Dutch LassySmall | 98107 | 64 | 7 |
| English EWT | 254829 | 26 | 1 |
| English GUM | 97697 | 0 | 0 |
| English LinES | 82815 | 9 | 1 |
| English ParTUT | 49634 | 16 | 3 |
| English PUD | 21176 | 8 | 4 |
| Erzya JR | 15790 | 0 | 0 |
| Estonian EDT | 434245 | 443 | 10 |
| Estonian EWT | 27246 | 36 | 13 |
| Faroese OFT | 10002 | 0 | 0 |
| Finnish FTB | 159612 | 0 | 0 |
| Finnish PUD | 15813 | 5 | 3 |
| Finnish TDT | 202194 | 172 | 9 |
| French FQB | 24135 | 1 | 0 |
| French GSD | 400387 | 53 | 1 |
| French ParTUT | 28594 | 5 | 2 |
| French Sequoia | 70567 | 44 | 6 |
| French Spoken | 34972 | 1 | 0 |
| Galician CTG | 138837 | 0 | 0 |
| Galician TreeGal | 25548 | 1 | 0 |
| German GSD | 292788 | 6 | 0 |
| German HDT | 3055010 | 0 | 0 |
| German LIT | 40456 | 39 | 10 |
| German PUD | 21329 | 8 | 4 |
| Gothic PROIEL | 55336 | 0 | 0 |
| Greek GDT | 63441 | 39 | 6 |
| Hebrew HTB | 161417 | 0 | 0 |
| Hindi HDTB | 351704 | 0 | 0 |
| Hungarian Szeged | 42032 | 30 | 7 |
| Chinese CFL | 7256 | 0 | 0 |
| Chinese GSD | 123283 | 3 | 0 |
| Indonesian GSD | 121923 | 0 | 0 |
| Irish IDT | 23964 | 0 | 0 |
| Italian ISDT | 298343 | 51 | 2 |
| Italian ParTUT | 55558 | 13 | 2 |
| Italian PoSTWITA | 124445 | 51 | 4 |
| Italian PUD | 23731 | 4 | 2 |
| Italian VIT | 279839 | 3 | 0 |
| Japanese GSD | 184118 | 0 | 0 |
| Japanese Modern | 14494 | 0 | 0 |
| Japanese PUD | 26707 | 0 | 0 |
| Karelian KKPP | 3094 | 0 | 0 |
| Kazakh KTB | 10536 | 2 | 2 |
| Komi Zyrian IKDP | 1287 | 0 | 0 |
| Komi Zyrian Lattice | 2017 | 0 | 0 |
| Korean GSD | 80322 | 0 | 0 |
| Korean Kaist | 350090 | 0 | 0 |
| Kurmanji MG | 10260 | 0 | 0 |
| Latin ITTB | 353035 | 1151 | 33 |
| Latin Perseus | 29138 | 0 | 0 |
| Latin PROIEL | 200163 | 404 | 20 |
| Latvian LVTB | 208438 | 236 | 11 |
| Lithuanian ALKSNIS | 39754 | 0 | 0 |
| Lithuanian HSE | 5356 | 0 | 0 |
| Marathi UFAL | 3849 | 0 | 0 |
| Mbya Guarani Thomas | 1318 | 0 | 0 |
| Naija NSC | 12863 | 0 | 0 |
| North Sami Giella | 26845 | 0 | 0 |
| Norwegian Bokmaal | 310221 | 0 | 0 |
| Norwegian Nynorsk | 301353 | 0 | 0 |
| Norwegian NynorskLIA | 55410 | 0 | 0 |
| Old Church Slavonic PROIEL | 57563 | 146 | 25 |
| Old Russian RNC | 14472 | 0 | 0 |
| Old Russian TOROT | 149780 | 0 | 0 |
| Polish LFG | 130967 | 0 | 0 |
| Polish PDB | 351406 | 82 | 2 |
| Polish PUD | 18389 | 5 | 3 |
| Portuguese Bosque | 227799 | 10 | 0 |
| Romanian Nonstandard | 241714 | 130 | 5 |
| Romanian RRT | 218511 | 60 | 3 |
| Russian GSD | 98000 | 114 | 12 |
| Russian PUD | 19355 | 19 | 10 |
| Russian SynTagRus | 1106296 | 903 | 8 |
| Russian Taiga | 38555 | 41 | 11 |
| Sanskrit UFAL | 1843 | 0 | 0 |
| Serbian SET | 97673 | 0 | 0 |
| Slovak SNK | 106043 | 80 | 8 |
| Slovenian SSJ | 140670 | 0 | 0 |
| Slovenian SST | 29488 | 8 | 3 |
| Spanish AnCora | 549569 | 5 | 0 |
| Spanish GSD | 431587 | 0 | 0 |
| Swedish LinES | 79811 | 9 | 1 |
| Swedish PUD | 19076 | 8 | 4 |
| Swedish Talbanken | 96819 | 43 | 4 |
| Tagalog TRG | 292 | 0 | 0 |
| Tamil TTB | 9581 | 0 | 0 |
| Turkish GB | 16879 | 0 | 0 |
| Turkish IMST | 57859 | 0 | 0 |
| Ukrainian IU | 122091 | 151 | 12 |
| Upper Sorbian UFAL | 11196 | 0 | 0 |
| Urdu UDTB | 138077 | 0 | 0 |
| Vietnamese VTB | 43754 | 0 | 0 |
| Warlpiri UFAL | 314 | 0 | 0 |
| Welsh CCG | 10662 | 0 | 0 |
| Wolof WTB | 44258 | 0 | 0 |
| Yoruba YTB | 2664 | 0 | 0 |