@article{ Scherl03, optmonth = {} } , title = {Knowledge, Action, and the Frame Problem} } , url = {aij03frame.pdf} } , journal = {Artificial Intelligence} } , author = {Scherl, R. and Levesque, H. J.} } , optnote = {} } , number = {1--2} } , volume = {144} } , optannote = {} } , key = {CogRobo} } , year = {2003} } , optvolume = {} } , pdf = {http://www.cs.toronto.edu/cogrobo/Papers/aij03frame.pdf} } , pages = {1--39} }