Download presentation
Presentation is loading. Please wait.
Published byBritton Carr Modified over 9 years ago
1
1 Using Corpora in Language Research -also Introduction to the Sketch Engine (WS15) part 1 Adam Kilgarriff Lexical Computing Ltd Universities of Leeds
2
May 2011 Adam Kilgarriff 2 What is language?
3
May 2011 Adam Kilgarriff 3 What is language? In our heads
4
May 2011 Adam Kilgarriff 4 What is language? In our heads In texts and sound signals
5
May 2011 Adam Kilgarriff 5 What is language? In our heads In texts and sound signals Both
6
May 2011 Adam Kilgarriff 6 Methodology Study language in our heads Competence Chomsky “rationalist” (Descartes, Leibniz)
7
May 2011 Adam Kilgarriff 7 Methodology Study language in our heads Competence Chomsky “rationalist” (Descartes, Leibniz) Odd method for objective science Practical problems: coverage, arbitrariness
8
May 2011 Adam Kilgarriff 8 Methodology Study text “empiricist” (Locke, Hume) Physics: forces, matter Chemistry: chemicals, bonds Language: text, speech signals
9
May 2011 Adam Kilgarriff 9 It goes against the grain What is important about a sentence? its meaning Corpus methodology: Throw away individual sentence meaning Find patterns
10
May 2011 Adam Kilgarriff 10 Computer power Corpora bigger and bigger data sets Language technology tools lemmatizers, POS-taggers, parsers Machine learning, pattern-finding 20 years of rapid ascent
11
May 2011 Adam Kilgarriff 11 All the linguisticses Theoretical Socio Psycho Developmental Law and Computational Contrastive Applied... linguistics
12
May 2011 Adam Kilgarriff 12 Developmental CHILDES, TalkBank How children learn language Parents record all interactions Since 1980s Prof. Brian MacWhinney, Carnegie-Mellon Many languages Largest chunk: English, 23m words
13
May 2011 Adam Kilgarriff 13
14
May 2011 Adam Kilgarriff 14
15
May 2011 Adam Kilgarriff 15
16
May 2011 Adam Kilgarriff 16
17
May 2011 Adam Kilgarriff 17
18
May 2011 Adam Kilgarriff 18
19
May 2011 Adam Kilgarriff 19
20
May 2011 Adam Kilgarriff 20 Language change Brown family Small but perfectly formed I m words 500 x 2000-word samples the same 15 text types Supports comparison American and British English 1931, 1961, 1991, 2006
21
May 2011 Adam Kilgarriff 21
22
May 2011 Adam Kilgarriff 22
23
May 2011 Adam Kilgarriff 23
24
May 2011 Adam Kilgarriff 24
25
May 2011 Adam Kilgarriff 25
26
May 2011 Adam Kilgarriff 26 Language and gender When you see a dentist... What is now normal? Recent study they now the norm themself now needed despite what spellcheck says BNC (most text from 1989) 0.2/million EnTenTen (mostly 2009) 0.4/million
27
May 2011 Adam Kilgarriff 27 Language and law Trade marks Hoover and similar trademark or generic Cases sabatier, botox, kettle chips Key evidence Do people tend to capitalize?
28
May 2011 Adam Kilgarriff 28 English nouns: % capitalized
29
May 2011 Adam Kilgarriff 29 Syntax and semantics
30
May 2011 Adam Kilgarriff 30
31
May 2011 Adam Kilgarriff 31
32
May 2011 Adam Kilgarriff 32 DANTE Detailed account of English lexis Corpus-driven From word sketches Lexicographers assign to senses High precision Available at http://webdante.comhttp://webdante.com Brochures
33
May 2011 Adam Kilgarriff 33 What data shall I use?
34
May 2011 Adam Kilgarriff 34 Think hard
35
May 2011 Adam Kilgarriff 35 Sometimes... Just-in-time corpus from the web Use case: Translator, French-to-English Translation task volcanoes In French I understand it OK, but I'm no vulcanologist, I don't know the English terminology BootCaT, Baroni and Bernardini
36
May 2011 Adam Kilgarriff 36
37
May 2011 Adam Kilgarriff 37
38
May 2011 Adam Kilgarriff 38
39
May 2011 Adam Kilgarriff 39
40
May 2011 Adam Kilgarriff 40
41
May 2011 Adam Kilgarriff 41
42
May 2011 Adam Kilgarriff 42
43
May 2011 Adam Kilgarriff 43
44
May 2011 Adam Kilgarriff 44 Corpora in Sketch Engine Access-to-all 42 languages All major world languages Mostly large, web-crawled Various other CHILDES, Brown,... “My corpora” BootCat and other
45
May 2011 Adam Kilgarriff 45 LCL sponsorship of LSA One year free accounts for participants http://www.sketchengine.co.uk “Register” “Site licence member” Your details and Organisation: select LSA2011 Site licence key: Boulder Password by email change it (under Settings)
46
May 2011 Adam Kilgarriff 46 Today Motivations, taster Sunday 9-12 practical
Similar presentations
© 2025 SlidePlayer.com. Inc.
All rights reserved.