Merge branch 'develop' into indexer
Merge branch 'develop' into indexer
Merge branch 'develop' into indexer
Refactor structures and index improvement...
init commit for project, refactor incomplete.
Clean the repo...

1. There’s really not point to keep different homework codes… Since
this is the final project, I cleaned the project structure.
Update support for news feed indexing...
Merge branch 'final_feature_news' into develop
Delete blank area...
Initial commit, basic function of BKTree
Merge branch 'develop' into final_feature_BKTree
adding twitter4j library.
adding crawler.
adding crawler.
refactor path
fix bug.
Fixed bugs in indexer....
Fix a bug for page ranking
Fix a typo bug...
Refactored indexer...