Corpus design and types of corpora Corpus Linguistics Richard Xiao lancsxiaoz@googlemail.com Outline of the session • Corpus design issues – Corpus representativeness – Corpus balance – Sampling – Corpus size – Types of corpora • Introducing some well-known English corpora of different types Representativeness • A corpus is a collection of (1) machine-readable (2) authentic texts (including transcripts of spoken data) which is (3) sampled to be (4)