 The 1980s also saw the birth of Cyc , the first attempt to attack the commonsense knowledge problem directly , by creating a massive database that would contain all the mundane facts that the average person knows . Douglas Lenat , who started and led the project , argued that there is no shortcut ― the only way for machines to know the meaning of human concepts is to teach them , one concept at a time , by hand . The project was not expected to be completed for many decades . 
 The 1980s also saw the birth of Cyc , the first attempt to attack the commonsense knowledge problem directly , by creating a massive database <a href='null_relcl' title='1'><mark>that</mark></a>would contain all the mundane facts <a href='null_relcl' title='2'><mark>that</mark></a>the average person <a href='uninflect' title='3'><mark>knows</mark></a> . Douglas Lenat , <a href='null_relcl' title='4'><mark>who</mark></a>started and led the project , argued that <a href='dey_it' title='5'><mark>there</mark></a> is no shortcut ― the only way for machines to know the meaning of human concepts is to teach them , one concept at a time , by hand . The project was not expected to be completed for many decades . 
The 1980s also saw the birth of Cyc , the first attempt to attack da commonsense knowledge problem directly , by creating a massive database would contain alll tdamundane facts the average person knoe . Douglas Lenat , started and led the project , argued dat it ain't no shortcut ― the only way for machines to know the meaning of human concepts is to teach them , one concept at a time , by hand . The project was not expected to b completed fa many decades .