Paper  bibtex   

@inproceedings{dousson_situation_1993,
	title = {Situation recognition: representation and algorithms},
	shorttitle = {Situation recognition},
	url = {http://dl.acm.org/citation.cfm?id=1624025.1624049},
	urldate = {2018-12-10},
	publisher = {Morgan Kaufmann Publishers Inc.},
	author = {Dousson, Christophe and Gaborit, Paul and Ghallab, Malik},
	month = aug,
	year = {1993},
	pages = {166--172}
}