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Corpus Linguistics: session 2

Corpus Linguistics (2): The Tools of the Trade http:// tinyurl.com / 669o4zt. Corpus Linguistics: session 2. martin.wynne@it.ox.ac.uk ylva.berglund@it.ox.ac.uk. Today’s session. An introduction to some features of tools Demo of different (kinds of) tools Hands-on practice with one tool

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Corpus Linguistics: session 2

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  1. Corpus Linguistics (2): The Tools of the Trade http://tinyurl.com/669o4zt Corpus Linguistics: session 2 martin.wynne@it.ox.ac.uk ylva.berglund@it.ox.ac.uk

  2. Today’s session • An introduction to some features of tools • Demo of different (kinds of) tools • Hands-on practice with one tool AIM: Help you know what to look for in a tool for your work (and what options there are)

  3. There are different TYPES OF TOOLS

  4. Different kinds of tools • Online / offline • For one particular corpus / for any corpusor text • Use straight away / need to prepare corpus • 'Free' / licence conditions and costs

  5. Different kinds of tools • Online / offline • For one particular corpus / for any corpus or text • Use straight away / need to prepare corpus • 'Free' / licence conditions and costs

  6. Tools may • have different functions: concordance, wordlist, statistics, collocation, keywords… • handle annotation: interpret tags, ignore tags, treat tags as text • take different text formats: .txt, .xml, .html

  7. Different tools have different functions. TYPICAL FUNCTIONS

  8. Concordance • Search word + context • Can be displayed as KWIC • Can usually be sorted • Used to see patterns of use

  9. KWIC Concordance

  10. Wordlist • List all words in the corpus • alphabetically • by frequency • Used as starting point for further functions • keywords • lexical density/readability calculations

  11. Sampler AntConc wordlist

  12. Collocations • Co-occurrence patterns • borrow money • borrow books • borrow a car • May I borrow • (more in Session 3)

  13. Collocates: adjectives immediately preceding BUSINESS Corpus of Contemporary American English http://www.americancorpus.org/

  14. Visualization • Graphs • Word clouds • Distribution displays • Etc.

  15. Example: BNCweb

  16. borrow

  17. Example: Voyant Toolshttp://voyant-tools.org

  18. ‘borrow’Compare your intuition to what you find in the corpus • What is borrowed and by whom? • What words do you expect to find together with borrow? • Can these words be grouped in some way, for example based on their word class, function, or meaning? • Where would you expect these words (e.g. before or after borrow? Immediately adjacent or not?) • Who do you think uses the work borrow? In what context or type of language would you find borrow? • Are there any words that are NOT used with borrow?

  19. AntConc Download AntConc for free from: http://www.antlab.sci.waseda.ac.jp/antconc_index.html (or just search for Antconc) Use your own texts and corpora. Find some examples at: http://www.ota.ox.ac.uk/

  20. Tip of the week Register to use the BYU corpora for free. http://corpus.byu.edu

  21. Next week (Session 3)Collocation Corpus linguists claim to have identified an important principle is responsible for the creation of much of the meaning of texts – collocation (co-occurrences). What is it, and are the claims true? Optional reading: * Xiao, Richard, and Tony McEnery (2006). "Collocation, Semantic Prosody, and near Synonymy: A Cross-Linguistic Perspective " Applied Linguistics 27(1): 103-129. http://applij.oxfordjournals.org/cgi/content/full/27/1/103

  22. Corpus Linguistics (2): The Tools of the Trade http://tinyurl.com/669o4zt Corpus Linguistics: session 2 martin.wynne@it.ox.ac.uk ylva.berglund@it.ox.ac.uk

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