James Thomas, (Masaryk University, Czech Republic), web officer for CorpusCALL, a special interest group chaired by Alex Boulton (Université de Nancy, France) in EuroCALL, has these pages on data-driven learning.
Find out how online corpora and concordancers can help language teachers and learners. Try this page for ideas for classroom activities: https://sites.google.com/site/eltmethodologies/approaches/data-driven-learning/just-imagine
There's also a recent book:
Input, Process and Product : Developments in Teaching and Language Corpora, James Thomas & Alex Boulton (Ed.) (2012) - you can read a summary of Boulton's paper "Hands-on / hands-off: varying approaches in data-driven learning.blurb" http://hal.archives-ouvertes.fr/hal-00503034/