Investigation on the Construction of Urban Intelligent Emergency Management System Based on Data Mining Technology

Table 5

Dataset features.

Dataset	#Transaction	#Distinct items	Avg.trans.length	Type
BMS	59601	497	4.8	Sparse
Chess	3196	75	37	Dense
Connecct	67557	129	43	Dense
Foodmart	4141	1559	4.4	Sparse
Pumsb	49046	2113	74	Dense
Retail	88162	16470	5.3	Sparse