| http://www.w3.org/ns/prov#value | - A method for measuring the state of the surveillance subject PS-1 even more accurately is to install sensors such as an acceleration sensor or vibration sensor, bearing (directional) sensor, gyro sensor in the mobile sensor node MSN. The acceleration sensor and vibration sensor measure the movement of the body on which the sensors are attached, so that the stance and walking behavior of the subjec
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