en:cnk:syn:verze10 - Příručka ČNK

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====== SYN version 10 ======

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^ <fs medium>Name</fs> ^^ <fs medium>SYN version 10</fs> ^
^ [[pojmy:atributy_pozicni|Position]] ^ Number of tokens |  5 887 514 992 |  
^ ::: ^ Number of tokens without punctuation  |  4 881 700 519 |  
^ ::: ^ Number of [[en:pojmy:word|word forms]]  |  11 033 112 |  
^ ::: ^ Number of [[en:pojmy:lemma|lemmas]] |  7 432 413 |
^ [[en:pojmy:atributy_strukturni|Structures]] ^ Number of [[en:pojmy:doc|documents]] |  131 383 |
^ ::: ^ Number of [[en:pojmy:atributy_strukturni|texts]]|  18 158 945 |
^ ::: ^ Number of sentences |  374 658 105 |
^ Other information ^ [[en:pojmy:referencni|Referential]] |  YES |  
^ ::: ^ [[en:pojmy:reprezentativnost|Representative]] |  NO (predominantly journalism) |  
^ ::: ^ Publication year |  2022 |
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Every **SYN corpus** contains all the [[en:pojmy:synchronni|synchronic]] [[en:pojmy:psany|written]] corpora of the [[en:cnk:syn|SYN]] series published up until the time of the given version's publication. The corpus SYN version 10 therefore contains the corpora [[en:cnk:syn2000|SYN2000]], [[en:cnk:syn2005|SYN2005]], [[en:cnk:syn2006pub|SYN2006PUB]], [[en:cnk:syn2009pub|SYN2009PUB]], [[en:cnk:syn2010|SYN2010]],[[en:cnk:syn2013pub|SYN2013PUB]], [[en:cnk:syn2015|SYN2015]] and [[en:cnk:syn2020|SYN2020]]; additionally, it contains a journalistic component predominantly from the years 2010–2019 (already included into [[en:cnk:syn:verze4|SYN version 4]], [[en:cnk:syn:verze5|SYN version 5]], [[en:cnk:syn:verze6|SYN version 6]], [[en:cnk:syn:verze7|SYN version 7]] and [[en:cnk:syn:verze8|SYN version 8]]) and as yet **unpublished journalistic texts from 2020** in yearly volume exceeding 150 mil. words (however, only after the publication of the whole corpus we found out that part of the journalistic data from 2020 was inadvertently incorrectly lemmatized, for more details see below).

The SYN corpus is not [[en:pojmy:reprezentativnost|representative]]; the dominant component is journalism, which is the result of the predominance of journalistic corpora [[en:cnk:syn2006pub|SYN2006PUB]], [[en:cnk:syn2009pub|SYN2009PUB]], [[en:cnk:syn2013pub|SYN2013PUB]] and the journalistic component from the years 2010--2020.

The SYN version 10 corpus is [[en:pojmy:referencni|referential]], and will remain accessible to users even after newer versions have been published. It is however necessary to keep in mind that the linguistic information will become outdated, as a natural result of the referential nature of the corpus. Individual versions of the corpus SYN will continue to be published regularly every year with the addition of current journalistic data, and every new addition will be given the attribute value ''<doc syn>'' equal to the version of the SYN corpus in which the given text first appeared; for example a [[en:pojmy:subkorpus|subcorpus]] corresponding to the above mentioned (as yet unpublished) journalistic component can be [[en:manualy:kontext:subkorpus#vytvoreni_noveho_subkorpusu|created]] from the SYN version 10 with the help of the condition ''syn=<nowiki>"</nowiki>v10<nowiki>"</nowiki>''. However, it was during the preparation of journalistic data from 2020 (''syn=<nowiki>"</nowiki>v10<nowiki>"</nowiki>'') that an error ocurred: forms with variant sublemmas (eg. the form //voknem//) were assigned a lemma identical to the sublemma (//vokno//) instead of a special lemma (//okno//). This error affected about 1.8% of tokens in this part of the corpus. If your work with the SYN version 10 corpus depends on accurate statistics, we recommend you to exclude the subcorpus matching the condition ''syn=<nowiki>"</nowiki>v10<nowiki>"</nowiki>'' from the search.

===== Composition of the corpus SYN version 10 =====

^ <fs medium>Referential written language corpora (synchronic and general) ordered by date of creation</fs> ^^^^^^
^ corpus ^ size (words) ^ [[en:pojmy:lemma|lemmatization]] ^ [[en:pojmy:tag|morphological tags]] ^ publication year ^ corpus description ^
^ [[en:cnk:syn2015|SYN2020]] |  100M  |  ✓  |  ✓  |  2020  | representative corpus, mainly texts from the years 2015–2019 |
^ [[en:cnk:syn2015|SYN2015]] |  100M  |  ✓  |  ✓  |  2015  | representative corpus, mainly texts from the years 2010–2014 |
^ [[en:cnk:syn2013PUB|SYN2013PUB]] |  935M  |  ✓  |  ✓  |  2013  | corpus of journalistic texts from the years 2005–2009 |
^ [[en:cnk:syn2010|SYN2010]] |  100M  |  ✓  |  ✓  |  2010  | representative corpus, mainly texts from the years 2005–2009|
^ [[en:cnk:syn2009PUB|SYN2009PUB]] |  700M  |  ✓  |  ✓  |  2010  | corpus of journalistic texts from the years 1995–2007 |
^ [[en:cnk:syn2006PUB|SYN2006PUB]] |  300M  |  ✓  |  ✓  |  2006  | corpus of journalistic texts from the years 1989–2004 |
^ [[en:cnk:syn2005|SYN2005]] |  100M  |  ✓  |  ✓  |  2005  | representative corpus, mainly texts from the years  2000–2004 |
^ [[en:cnk:syn2000|SYN2000]] |  100M  |  ✓  |  ✓  |  2000  | representative corpus, mainly texts from the years 1990–1999 |

==== Journalism in SYN version 10 ====

The composition of the journalistic part of the corpus SYN version 10 covers the production of most of the national daily newspapers  (//Mladá fronta DNES, Lidové noviny, Právo, Hospodářské noviny, Blesk, Sport//), regional daily newspapers (chiefly //Deníky Bohemia// and //Moravia// published by Vltava Labe Media) and non-specialized magazines (//Reflex, Respekt, Týden//) from 1998--2020; the total number of journalistic titles is almost 200. The following graphs show the composition of the SYN corpus based on the [[en:pojmy:txtype_group|main text types]] over the years and offer a closer look at the composition of the journalistic section. 

[{{:cnk:syn:slozeni_syn_v10.png?400|Composition of the corpus SYN version 10}}]

[{{:cnk:syn:slozeni_syn_v10_pub.png?400|Composition of the journalistic part of the corpus SYN version 10}}]

====== Structure and annotation of SYN version 10 ======

Generally speaking, structure and annotation of SYN version 10 are based on that of the SYN2020 corpus. Hierarchy of structural tags for SYN version 10 has been taken over from SYN2020. Morphological tagging, lemmatization, and tokenization of the corpus are performed fully automatically according to the [[en:cnk:anotacni_standard_cnk|unified CNC annotation scheme]]. SYN version 10 shares all these aspects with its predecessor, [[en:cnk:syn:verze9|SYN version 9]].

This correspondence of structure and annotation between SYN version 10 and [[en:cnk:syn2020|SYN2020]] only has the following exceptions:

  * additional ''<doc syn>'' attribute for the [[en:cnk:syn#reference_corpora_as_subcorpora_in_syn|creation of subcorpora corresponding to the original reference corpora]];
  * replacing [[en:pojmy:syntakticka_analyza|syntactic annotation]] in the SYN2020 corpus with a pilot version of **[[en:seznamy:frazemy|phraseme annotation]]**.

====== How to cite SYN version 10 ======

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Křen, M. – Cvrček, V. – Hnátková, M. – Jelínek, T. – Kocek, J. – Kováříková, D. – Křivan, J. – Milička, J. – Petkevič, V. – Procházka, P. – Skoumalová, H. – Šindlerová, J. – Škrabal, M.: //Corpus SYN, version 10 from 22. 2. 2022//. Ústav Českého národního korpusu FF UK, Praha 2022. Available online: https://www.korpus.cz.


Hnátková, M. – Křen, M. – Procházka, P. – Skoumalová, H. (2014): [[http://www.lrec-conf.org/proceedings/lrec2014/pdf/294_Paper.pdf|The SYN-series corpora of written Czech]]. In //Proceedings of the Ninth International Conference on Language Resources and Evaluation (LREC'14)//, 160–164. Reykjavík: ELRA. ISBN 978-2-9517408-8-4. 

Jelínek, T. – Křivan, J. – Petkevič, V. – Skoumalová, H. – Šindlerová, J. (2021): [[https://doi.org/10.1007/978-3-030-83527-9_4|SYN2020: A new corpus of Czech with an innovated annotation]]. In: K. Ekštein – F. Pártl – M. Konopík (eds.), //Text, Speech, and Dialogue.// TSD 2021. Lecture Notes in Computer Science, vol. 12848. Cham: Springer, 48–59.

Křivan, J. – Šindlerová, J. (2022): [[http://sas.ujc.cas.cz/archiv.php?lang=en&art=4508|Změny v morfologické anotaci korpusů řady SYN: nové možnosti zkoumání české gramatiky a lexikonu]]. //Slovo a slovesnost//, 83, 2/2022, 122–145.

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 --- //Michal Křen//

====== Related links ======
<WRAP round box 50%>
[[en:cnk:syn|SYN]] • [[en:cnk:syn:verze9|SYN version 9]] • [[en:cnk:syn:verze8|SYN version 8]] • [[en:cnk:syn:verze7|SYN version 7]] • [[en:cnk:syn:verze6|SYN version 6]] • [[en:cnk:syn:verze5|SYN version 5]] • [[en:cnk:syn:verze4|SYN version 4]] • [[en:cnk:syn:verze3|SYN version 3]] • [[en:cnk:syn2000|SYN2000]] • [[en:cnk:syn2005|SYN2005]] • [[en:cnk:syn2006pub|SYN2006PUB]] • [[en:cnk:syn2009pub|SYN2009PUB]] • [[en:cnk:syn2010|SYN2010]] • [[en:cnk:SYN2013PUB|SYN2013PUB]] • [[en:cnk:syn2015|SYN2015]] • [[en:cnk:syn2020|SYN2020]]

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Trace: • kwords • verze10 • klasifikace_textu_syn2015 • citace • kwords • within • recall • filtr • precision • zipf
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