Add feedback code version 1
Update feedback code version 2
Add feedback version 3: Change input file format
feedback.py allowed to run in Python 3, algorithms revised
Merge remote-tracking branch 'origin/ChinChi'
Merge branch 'master' of https://github.com/yangarbiter/IR-Project
Merge branch 'master' of https://github.com/yangarbiter/IR-Project
import feedback; feedback.getFeedbackTerms([(term_1, URL_1), (term_2, URL_2), ...], previousWordCount = int, nextWordCount = int, distanceThreshold = int);
[(feedback_term, source_query_term)] = feedback.getFeedbackTerms([(query_term, retrieved_URL)], previousWordCount = int, nextWordCount = int, distanceThreshold = int)
update
merge