ARC	Activity Recognition Chain
CART	Classification And Regression Tree
FN	False Negative
FP	False Positive
HAR	Human Activity Recognition
IMU	Inertial Measurement Unit
kNN	k-Nearest Neighbor
LM-QDTS	Local Mean Quaternion Distance Time Series
LSD-QDTS	Local Standard Deviation Quaternion Distance Time Series
MMR	MetaMotionR
QDTS	Quaternion Distance Time Series
QFDTS	Quaternion Finite Difference Time Series
SVM	Support Vector Machine
TN	True Negative
TP	True Positive
uQTS	unit Quaternion Time Series
WARM	Walking Activity Recognition Model