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The Cambridge Learner Corpus, English Profile, the Sketch Engine and the Kelly Project Adam Kilgarriff Lexical Computing Ltd

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Presentation on theme: "The Cambridge Learner Corpus, English Profile, the Sketch Engine and the Kelly Project Adam Kilgarriff Lexical Computing Ltd"— Presentation transcript:

1 The Cambridge Learner Corpus, English Profile, the Sketch Engine and the Kelly Project Adam Kilgarriff Lexical Computing Ltd

2 The Cambridge Learner Corpus, English Profile, the Sketch Engine, “freely available”, HOO, DANTE and the Kelly Project Adam Kilgarriff Lexical Computing Ltd

3 Cambridge Learner Corpus (CLC) Since 1993 – Nearly as old as CECL Leading resource (like ICLE) CUP and Cambridge ESOL – For better dictionaries, ELT courses, tests – Material: all from exams (levels A1-C2) 45m words; 22m error-tagged 200,000 scripts, 138 L1s, 203 nationalities

4 English Profile From 2006 Cambridge Univ, Univ Press, ESOL (+ others) Goal – for each CEFR level, find characteristic lexis and grammar – Main resource: CLC – Talk on Thursday Theodora Alexopolou, Helen Yannakoudakis

5 Flyers

6 Sketch Engine Leading corpus tool Word sketches – One-page summaries of a word’s grammatical and collocational behaviour In use at OUP, CUP, Collins, Macmillan, INL … 42 languages – Over 150 corpora – Since May including CHILDES: demodemo – Since last year including CLC

7 Error-coded corpus Challenge – Intuitive to search for x anywhere only where it is part of an error only where it is part of a correction where x can be a word, phrase, grammar pattern … Requirement for CLC in Sketch Engine

8 Sample text We will only use those informations to take part of our guest survey

9 Error-coded corpora in SkE demo

10 freely available

11 Free (MED online) Sense 1: not costing anything Sense 4: not limited by rules … anyone can get hold of it??

12 freely available Free (MED online) Sense 1: not costing anything Sense 4: not limited by rules … anyone can get hold of it?? Available To download onto your com To use

13 Case studies ICLECLC Money225 EURNo To everyoneYesCambridge author/collab To download?No To useYes

14 Non-geeks Access is important, not download Web is beautiful

15 HOO / HOO+ Helping Our Own HOO: English-NNS NLP researchers – Developer = user: motivation – Shared task/competitive evaluation Organisers define task and prepare ‘gold standard’ Teams participate by running their software over test data Six teams (incl Tübingen), workshop end Sept

16 HOO+ (2012) Probably – English: learner data from CLC – Other languages? – Tasks Essay scoring Determiner, preposition errors ?

17 DANTE Highlights of English lexicography

18 DANTE

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21 Flyers

22 The KELLY Project EU Lifelong Learning Project Word cards – 9 languages Arabic Chinese English Greek Italian Norwegian Polish Russian Swedish – All 36 pairs – Words the learner should know (at A1 … C2) Partners Stockholm Univ, Gotheburg Univ, Adam Mickiewicz Univ, ILSP Athens, CNR Pisa, Oslo Univ, Leeds Univ, Keewords A/S, Lexical Computing Ltd

23 Interesting question How close to purely corpus-based can a pedagogic list be?

24 Method Take a general corpus Count Review, add, delete using other lists and corpora Translate (72 directed-lg-pairs) Words not in source list which occur in translations: – Review source list

25 Symmatrical pairs: and Cliques: – For x, y, z, … all pairs are symmetrical – 9-language cliques (English members) hospital library music sun theory

26 Homage


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