Accident Diagnosis and Evaluation System in Parking Lots Using Multisource Data Based on Bayesian Networks

Table 2

Node filtering process associated with the preliminary target node (PROPERTY).

Preliminary target node (PTN)	First-level related nodes (FLRN)	MI of FLRN	Second-level related nodes (SLRN)	MI of SLRN
PROPERTY	RTESGNCD	1	RDSURFCD	0.904344
			WEATCOND	0.904344
			TYPESHLD	0.904344
			VEHSPEED	0.584314
	LANDUSE	0.827324	Included
	LGHTCOND	0.798956	FRST_EVNT_CAUS_CD	0.668544
	MAXSPEEDLMT	0.65439	VEHTYPE	0.676928
			VEHUSE	0.676928
			DAYOWEEK	0.555487
	VEHMOVE	0.622137	TOT_OF_PERS_NUM	0.564955
			TRAVDIR	0.580224
			VEHDMTYP	0.53781
	POINTIMP	0.564509	URBSIZE	0.518511
	TIME	0.52413	Included

The sign indicates variables that have been discretely processed by CACC.