now beginning. First were mainframes, each shared by lots of people. Now we are in the personal computing era, person and machine staring uneasily at each other across the desktop. Next comes ubiquitous computing, or the age of calm technology, when technology recedes into the background of our lives. Mark Weiser, Xerox PARC, 1988
can be measured and that can be controlled because the thermometer named t1 is located in the room r1 and can measure the environment variable temperature and the radiator valve v1 is located in the room r1 and can control the environment variable temperature the why
The house will have a state of occupied at 1900 User : Confirmed House : The room r1 has a temperature with minimum value 20 after time 1900 The roomba vc1 has a clean cycle scheduled for time 1800
Sorry to hear that, shall I tell everyone to expect you back by 7? User : Yes please. Thermometer : I’ll make sure its warm when you get home Roomba : *grumble*