Definition:
Corpus-based analysis; This will apply computer program(s) to calculate the score of main word(s) and context; to collocate. corpora are more suitable for functional analysis of language because it describes how to use language as communicate tool.
Major program of corpora for linguistics research
1)The Brown Corpus: The brown had started to be used in 1961, the beginning of using computer.the collocation was taken in 1963-1964 at Brown University.
2) The Lancaster-Oslo/Bergen corpus (LOB): This is an extended version from the brown corpus.The sample of this linguistics research was based on different bibliographic sources and differrent weightings in the collection of newspapers communicate tool.