Activity Feature Solving Based on TF-IDF for Activity Recognition in Smart Homes

Table 2

Involved activities concerning on “tulum2009”.

Atom Activity	Interactive Activities
	Two Activities	Three Activities	Four Activities
C_B	C_B&E_B	C_B&E_B&C_L	E_B&C_L&W_D&L_H
C_L	C_L&L_H	E_B&C_L&W_D	S&W_T&S&W_T
E_H	C_L&E_B	S&W_T&S
G_M	W_T&S	C_L&E_B&W_D
L_H	L_H&E_B	S&E_H&W_T
E_B	E_B&W_T	E_B&C_L&L_H
S	S&E_H
W_D	S&W_D
W_T	W_S&E_B
	W_T&L_H