CLAIM_ID = "ClaimID"
CLAIM = "claim"
TEXT = "text"
QUERY_ID = "query_id"
QID = "qid"
DOC_NO = "docno"
DOCID = "docid"
QUERY = "query"
DOCUMENT = "document"
SCORE = "score"
RANK = "rank"

VERACITY = 'veracity'
SOURCE_URL= 'source_url'
ONE_LAYER = 1
TWO_LAYERS = 2

DESCRIPTION = "description"
SOURCE_LABEL = "source_label"
DATE = "date"
SOURCE = "source"
SOURCE_URL = "source_url"
SOURCE_CATEGORY = "source_category"
CLAIM_URLS = "claim_urls"
TITLE = "title"
EVIDENCE_URLS = "evidence_urls"
N_RUMOR_TWEETS = "n_rumor_tweets"
RUMOR_TWEETS = "rumor_tweets"
CONTENT = "content"
NORMALIZED_LABEL = "normalized_label"
NORMALIZED_CATEGORY = "normalized_category"
CLAIM_TYPE = "claim_type"