"""Constant string used at multiple places
"""

QUESTIONS = 'questions'
DOCUMENTS = 'documents'
SNIPPETS = 'snippets'
IDEAL_ANSWER = 'ideal_answer'
EXACT_ANSWER = 'exact_answer'
BODY = 'body'
TYPE = 'type'
ID = 'id'

ENTITY = 'entity'
SOURCE = 'source'

NER_ENTITIES = 'ner_entities'
SNIPPET_SENTENCES = 'snippet_sentences'
TEXT = 'text'

YESNO_TYPE = 'yesno'
LIST_TYPE = 'list'
FACTOID_TYPE = 'factoid'
SUMMARY_TYPE = 'summary'

PUBTATOR = 'PubTator'
LINGPIPE = 'Lingpipe'
CNN_GRAM = 'CNN_GRAM'
PUBTATOR_TYPES = ['gene', 'disease', 'species', 'chemical', 'bioconcept', 'mutation']
LINGPIPE_TYPES = []

BM25 = 'BM25'
INDRI = 'Indri'
