... book_name(value:Algorithms) Algorithms time(value :Y) pre_time, year(value :Y) pre_time trong nawm year(value:2008) 2008 wtitle(type:write) ai verb(type:write) vieets question ? Ta 5. ... UBG: q1 wtitle(type:write), verb(type:write), book(value:A), time(value :Y) , question book(value:A) book_type, book_name(value:A) book_type sachs book_name(value:Algorithms) ... wtitle publish 21 wtitle publish 22 sách book_type 23 giáo trình book_type 24 ti thuy book_type 25 book_volum 26 quy book_volum 27 book_volum 28 complement...