You can get most articles through Sci-Hub <https://plus.google.com/u/0/+RussAbbott1/posts/5YGik2SsyDV>. The Nature piece is available here <http://sci-hub.io/http://www.nature.com/nature/journal/v529/n7587/full/nature16961.html>. Amazing!
-- Russ On Mon, Mar 14, 2016 at 3:38 PM Robert J. Cordingley <[email protected]> wrote: > Access, for a fee, to the original Jan, 2016 Nature article on AlpahGo is > at http://www.nature.com/nature/journal/v529/n7587/full/nature16961.html. > The freely available abstract says it uses deep neural networks ('value > networks' and 'policy networks'), tree search and Monte Carlo algorithms. > Figures and tables with more information are also freely available from > http://www.nature.com/nature/journal/v529/n7587/fig_tab/nature16961_ft.html > > Robert C > > > On 3/13/16 8:53 PM, Steve Smith wrote: > > Me, I'm still stuck in the 80's... most of what I know about GO programs > involves trying to solve them using cellular automata systems based on the > promise of hardware implementations and other esoteric ways of doing CA > computation... Tomasso Toffolli's custom CA hardware was one promising > thing that I think eventually fizzled as was our own Jim Crutchfield's > analog "video feedback" CA computing concepts... > > My own favorite which I went on to do some exploratory work in was the > "memoisation" work of Bill Gosper which involves generating hash tables at > each scale (say 3x3, 6x6, 12x12, 24x24) cell arrays such that if > "redundant" patterns occurred at any scale they could be "looked up" > instead of computed. In a 3x3 (9 cell) array, there are naturally only > 512 (2^9) hash indices so the computation at that level is manageable by > memoisation... while a 6x6 is 2^36 or roughly 64M entries, not quite so > tractable/trivial if the distribution of possible configurations of binary > CA were uniform... which interesting GO configurations naturally are > NOT. A slight modification to this is that a binary CA is not sufficient > since the states of each cell can be White/Black/Empty... so the math > changes to 4^9 and 4^26,etc... > > Similar attempts were made for checkers and chess which as I remember, the > state space for Checkers is much larger than for Chess (surprising?) but > GO... much higher (larger board!) and the depth (number of relevant moves > ahead) also much higher! > > I look forward to hearing what the current state of computer GO play might > look like as well! > > - Steve > > > There were stories during the expert systems episode in the 80's that some > experts when debriefed in an attempt to identify their rules went on to > lose faith in their own expertise and to resign from the field. Other > anecdotes talked about how some experts weren't capable of expressing their > expertise - such knowledge, skills & experience was referred to as > 'compiled knowledge', accessible but not expressible, much like Artificial > Neural Networks are. Work > <http://www.sciencedirect.com/science/article/pii/0950705196819204> to > address this problem has been underway since the 90's. Perhaps others here > can provide an update? > > Robert C > > On 3/13/16 8:45 AM, Marcus Daniels wrote: > > I think a deep neural network trained from self play has a subjective, and > even inscrutable inner representation. Imagine such techniques were applied > to public policy decisions or medical diagnosis. Without a linguistic > component that co-evolved to describe a taken action, one could be left with > robot savants that outperformed humans on crucial tasks and no one, including > the robot, would have any idea why. > > Sent from my iPhone > > > On Mar 13, 2016, at 8:01 AM, Roger Critchlow <[email protected]> <[email protected]> > wrote: > > I've been watching parts of the match between Lee Sedol and Alpha Go on the > youtube deepmind channel. It's quite good, they start off with a discussion > of the previous game, give running commentary during the game, and audibly > gasp when the progress of the game shocks them. The post match press > conferences are not to be missed, either. It's a completely trump free zone. > > But you're looking at a full day's work for each game, 6 hours and 17 minutes > of video from last night's game which Lee Sedol won. I was too tired to stay > up and watch so I tuned into youtube this morning and watched the endgame. > > Apparently I forwarded past the key move, #78, which a Chinese journalist, > quoting a Chinese commentator, called "a God's move". Lee Sedol replied that > it was the only move he had at the time, that he had thought it would be > easier to make some profit, but it was quite difficult. > > So the same play is described as both creative genius and inevitable in the > space of a few sentences. Glad to know that some things will never change. > > -- rec -- > > > ============================================================ > FRIAM Applied Complexity Group listserv > Meets Fridays 9a-11:30 at cafe at St. John's College > to unsubscribe http://redfish.com/mailman/listinfo/friam_redfish.com > > ============================================================ > FRIAM Applied Complexity Group listserv > Meets Fridays 9a-11:30 at cafe at St. John's College > to unsubscribe http://redfish.com/mailman/listinfo/friam_redfish.com > > > -- > Cirrillian > Web Design & Development > Santa Fe, NMhttp://cirrillian.com > 281-989-6272 (cell) > Member Design Corps of Santa Fe > > > > ============================================================ > FRIAM Applied Complexity Group listserv > Meets Fridays 9a-11:30 at cafe at St. John's College > to unsubscribe http://redfish.com/mailman/listinfo/friam_redfish.com > > > > > ============================================================ > FRIAM Applied Complexity Group listserv > Meets Fridays 9a-11:30 at cafe at St. John's College > to unsubscribe http://redfish.com/mailman/listinfo/friam_redfish.com > > > -- > Cirrillian > Web Design & Development > Santa Fe, NMhttp://cirrillian.com > 281-989-6272 (cell) > Member Design Corps of Santa Fe > > ============================================================ > FRIAM Applied Complexity Group listserv > Meets Fridays 9a-11:30 at cafe at St. John's College > to unsubscribe http://redfish.com/mailman/listinfo/friam_redfish.com
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