Applying Word
Sketches to Russian
Máša Khokhlova
St.Petersburg State University
[email protected]
Word Sketches for Russian
Grammatical rules that take into account
syntactic constructions of the Russian
language based on the morphologically
tagged corpus;
 Regular expressions and query language
IMS Corpus Workbench;
 The system searches for tags which
correspond to word forms. For example,
tag Ncfpnn means common noun (Nc)
female gender (f) plural (p) noun case (n).

Word Sketch Rules
Below there is an example of grammatical rules for the phrases
«adjective+noun»:
*DUAL
=a_modifier/modifies
2:"A....n." (([word=","]|[word="и"]|[word="или"]){0,1}
[tag="A....n."]){0,7} 1:"N...n."
2:"A....g."
(([word=","]|[word="и"]|[word="или"]){0,1}[tag="A....g."])
{0,3} 1:"N...g."
2:"A....d." (([word=","]|[word="и"]|[word="или"]){0,1}
[tag="A....d."]){0,3} 1:"N...d."
2:"A....a." (([word=","]|[word="и"]|[word="или"]){0,1}
[tag="A....a."]){0,3} 1:"N...a."
2:"A....i." (([word=","]|[word="и"]|[word="или"]){0,1}
[tag="A....i."]){0,3} 1:"N...i."
2:"A....l." (([word=","]|[word="и"]|[word="или"]){0,1}
[tag="A....j."]){0,3} 1:"N...l."
Word Sketch Rules (2)
=Verb X/X Verb
2:[tag="V.*"] 1:[tag!="SENT"&tag!=","&tag!="-"]
1:[tag!="SENT"&tag!=","&tag!="-"] [lemma=”не”]?
2:[tag="V.*"]
=Noun X
2:[tag="N.*"&lemma!=")."]
1:[tag!="SENT"&tag!=","&tag!="-"&lemma!=")."]
Text Corpora
Russian Web Corpus – 190 mln tokens
 Rbc (РосБизнесКонсалтинг) – 22.5 mln
tokens
 Romip (Российский семинар по Оценке
Методов Информационного Поиска) –
2.7 mln tokens
 Corpus Linguistics – 2.7 mln tokens

Word sketches for the word “čaj”
(Russian Web Corpus)
Word sketches for the word “čaj” (news)
Word sketches for the word “zelenyj”
(Russian Web Corpus)
Word sketches for the word “imet’”
(Russian Web Corpus)
Word sketches for the word “korpus”
(texts on corpus linguistics)
Word sketches for the word “korpus”
(news)
Word sketches for the word “korpus”
(Web corpus)
Word sketches for the word “polucit’”
(texts on corpus linguistics)
Word sketches for the word “polucit’”
(news)
Word sketches for the word “polucit’”
(Russian Web Corpus)
Word sketches for the word “dat’”
(Russian Web Corpus)
Word sketches for the word “dat’” (texts
on corpus linguistics)
Word sketches for the word “dat’”
(news)
Thank you!