en:cnk:syn:verze6 - Příručka ČNK

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====== Corpus SYN version 6 ======

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^ <fs medium>Name</fs> ^^ <fs medium>SYN version 6</fs> ^
^ [[pojmy:atributy_pozicni|Position]] ^ Number of tokens |  4 834 739 998 |  
^ ::: ^ Number of tokens without punctuation  |  4 033 178 647 |  
^ ::: ^ Number of [[en:pojmy:word|word forms]]  |  11 266 270 |  
^ ::: ^ Number of [[en:pojmy:lemma|lemmas]] |  8 056 403 |
^ [[en:pojmy:atributy_strukturni|Structures]] ^ Number of [[en:pojmy:doc|documents]] |  100 159 |
^ ::: ^ Number of [[en:pojmy:atributy_strukturni|texts]]|  15 494 077 |
^ ::: ^ Number of sentences |  307 694 879 |
^ Other information ^ [[en:pojmy:referencni|Referential]] |  YES |  
^ ::: ^ [[en:pojmy:reprezentativnost|Representative]] |  NO (predominantly journalism) |  
^ ::: ^ Publication year |  2017 |
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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 6 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]] and [[cnk:syn2015|SYN2015]]; additionally, it contains a journalistic component predominantly from the years 2010–2014 (already included into [[en:cnk:syn:verze5|SYN version 5]] and [[en:cnk:syn:verze4|SYN version 4]]) and as yet **unpublished journalistic texts from 2016** in yearly volume almost 200 mil. words.

Because all of these corpora are **disjunctive** (i.e. they do not contain the same texts), the total size of the SYN version 6 is given by their sum, which makes 4.033 billion words ([[en:pojmy:token|tokens]] without punctuation). 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--2016.

The SYN version 6 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 6 with the help of the condition ''syn=<nowiki>"</nowiki>v6<nowiki>"</nowiki>''.

===== Composition of the corpus SYN version 6 =====

^ <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|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 6 ====


The composition of the journalistic part of the corpus SYN version 6 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 the years 1998--2016; the total number of journalistic titles is 176. 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:slozeni_syn_v6.png?400|Composition of the corpus SYN version 6}}]

[{{:cnk:slozeni_syn_v6_pub.png?400|Composition of the journalistic part of the corpus SYN version 6}}]

====== Structure and annotation of the new SYN corpus (syn v6) ======

SYN v6 is identical to its predecessors ([[en:cnk:syn:verze5|version 5]] and [[en:cnk:syn:verze4|version 4]]) as regards its structure and annotation of texts, i.e. it is based on the [[en:cnk:syn2015#struktura_korpusu_a_strukturni_znacky|hierarchy of structural tags]] and their attributes (e.g. ''<opus name>'' was replaced by ''<doc title>''), and also on the [[en:cnk:klasifikace_textu_syn2015|classification of texts]] from [[en:cnk:syn2015|SYN2015]], with these two exceptions:
  * introducing the additional attribute ''<doc syn>'' for the [[en:cnk:syn#referencni_korpusy_jako_subkorpusy_v_syn|creation of subcorpora corresponding to the original reference corpora]];
  * replacing [[en:pojmy:syntakticka_analyza|syntactic annotation]] in the corpus SYN2015 with a pilot version of **[[en:seznamy:frazemy|phraseme annotation]]**.

====== How to cite SYN version 6 ======

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Křen, M. – Cvrček, V. – Čapka, T. – Čermáková, A. – Hnátková, M. – Chlumská, L. – Jelínek, T. – Kováříková, D. – Petkevič, V. – Procházka, P. – Skoumalová, H. – Škrabal, M. – Truneček, P. – Vondřička, P. – Zasina, A.: Corpus SYN, version 6 from 18. 12. 2017. Ústav Českého národního korpusu FF UK, Praha 2017. Available online: http://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. 
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 --- //Michal Křen, Olga Richterová, Michal Škrabal//

====== Related links ======
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[[en:cnk:syn|SYN]] • [[en:cnk:syn:verze4|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]]

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Trace: • frekvence • corpus_based • syn2006pub • korpusy • koditex • pos • atributy_pozicni • verze9 • segmentace • ksp
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