16. 1/2l NYproactive maintenance l 1500 l l
300realtime/semi-realtime/static l l l MTBF (Mean time between
failures) l Machine Learning for the New York City Power Grid, J.
IEEE Trans. PAMI, to appear, Con Edison 16
17. 2/2l Reactive Maintenance l l l l l l l DB 17
18. l l Preferred Infrastructure l l l l l Jubatus
41. l l Preferred Infrastructure l l l l l Jubatus
42. Jubatus42
43. Jubatusl l 1) l 2) l 3)l (MapReduce/Hadoop l l l l / (CEP l
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44. Jubatus l NTT SIC*Preferred Infrastructure l 201110OSS
http://jubat.us/ 44* NTT SIC: NTT
45. 1: / l l / l twitter6000QPSl l l 45
46. 1: / l l / l twitter6000QPSl l l 46
47. 2: l l l l l 47
48. l l l l l 48
49. Jubatusl l l l l l 49
50. l l l l Jubatus l l Perceptron (1958) l Passive Aggressive
(PA) (2003) l Confidence Weighted Learning (CW) (2008) l AROW
(2009) l Normal HERD (NHERD) (2010) 50
51. l l 51
52. l Jubatusl l l l l mix 52
53. Jubatus l l l 53
54. Jubatusl l l MapReduceShufflel l l l
55. l Jubatus l l c.f. MapReduceMapReducel UPDATE l l ANALYZE l
l MIX l 55
56. UPDATE l l 56
57. ANALYZE l l 57
58. MIX l l l 58
59. l l (sum)(count)l UPDATE l sumi += x l counti += 1l ANALYZE
l return (sum / count)l MIX l sum = sum1 + sum2 l count = count1 +
count2 59
60. l l l 100% l l l MIX 60
61. Jubatusl , l l :Perceptron, PA, CW, AROWl l :PAl l Inverted
File Index, LSHl l 61
62. Jubatusl Jubatusl Model lm1 lm2 lm3 l (lm) l (sm sm sm sml
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63. + l Model l lm : wlocalRm l sm : wshareRml Update l wlocal,
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70. 2/2l l l l OpenXC Project l ArduinoAndroidOSS l JSONl
71. Copyright 2006-2012Preferred Infrastructure All Right
Reserved.