TASK_MAPPER = {
    'review_and_user' : 'decompress_and_clean_review_user',
    'review' : 'decompress_and_clean_review.json',
    'user' : 'decompress_and_clean_user.json',
    'sample_users' : 'sample_users.json',
    'sample_users_review' : 'sample_users_review.json',
    'sample_users_no_review_within_time_interval' : 'sample_users_no_review_within_time_interval.json'
}