id int title varchar(20) format varchar(10) abstract text id email int firstName varchar(20) lastName varchar(20) affiliation varchar(20) email id_paper int position int last_name varchar(20) first_name varchar(20) affiliation varchar(20) id_paper id_paper id idPaper int email varchar(20) comments varchar(20) summary varchar(20) submission_date varchar(20) idPaper email idPaper id email email