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Thursday 29 December 2011

bootstrap; 引导程序


"The idea that we can run out of time is peculiar. It’s a product of how we organize our memories.
     Human consciousness is a kind of romance with the idea that time is finite and consumable. This assumption of finitude means that time can also become digested and metabolized urge, energizing the desire to imagine what is coming next. Being able to organize the past into a semicoherent system, we extrapolate forward and read ourselves into a specific future. We make predictions: Moore’s Law tells us the size and cost of microprocessors diminish every 18 months. Polling reminds us the United States prefer to re-elect their presidents during wartime. The Super Bowl favorite wins three out of four times. It has been written, and so it shall come to pass.
     In the opening keynote of the Singularity Summit, Ray Kurzweil, inventor, writer, and immortalist, spoke about the looming end of prognostication. By his best estimate, the Singularity — the moment when our predictive mechanisms are overwhelmed by superintelligent computers that surpass the understanding of any one person — will happen in 2029. This will wipe clean all the fantasies and modeled futures we made for ourselves. Our ability to predict our personal destiny will vanish; in its place we will have the strange sensation of falling through the floor of our own life. [...]
     The brain is also easy to trick. Surround one color with certain other colors, and we’ll see it as brown. Remove the surrounding colors and it becomes red. Should we commemorate this semantic vulnerability in our computers, reminding them of how easily and often we got things wrong?"
— Mike Thomsen, The New Inquiry
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"The Chinese Room argument, devised by John Searle, is an argument against the possibility of true artificial intelligence. The argument centers on a thought experiment in which someone who knows only English sits alone in a room following English instructions for manipulating strings of Chinese characters, such that to those outside the room it appears as if someone in the room understands Chinese.
     The argument is intended to show that while suitably programmed computers may appear to converse in natural language, they are not capable of understanding language, even in principle. Searle argues that the thought experiment underscores the fact that computers merely use syntactic rules to manipulate symbol strings, but have no understanding of meaning or semantics. Searle's argument is a direct challenge to proponents of Artificial Intelligence, and the argument also has broad implications for functionalist and computational theories of meaning and of mind. As a result, there have been many critical replies to the argument."
Stanford Encyclopedia of Philosophy
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