Id - Paper ID
Ti - Normalized title
W - Unique, normalized words in title	
AW - Unique, normalized words in abstract, excluding common/stopwords
Y - Year published
CC - Citation count
RId - List of referenced paper IDs
DN - Original paper title
DOI - Digital Object Identifier
IA - Inverted abstract {IndexLength - Number of items in the index (abstract's word count), InvertedIndex - List of abstract words and their corresponding position in the original abstract }
AA.AfId	- Author affiliation ID	
AA.AfN - Author affiliation name
AA.AuId	- Author ID
AA.AuN - Normalized author name	
AA.DAuN	- Original author name	
AA.DAfN	- Original affiliation name
J.JId - Journal ID
J.JN - Journal name
D - Date published in YYYY-MM-DD format