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PyConJP Keynote Speech (English version)

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nishio

PyConJP Keynote Speech (English version)

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Rediscover with Python 
Cybozu Labs. 
NISHIO Hirokazu 
PyCon JP Keynote Speech 
English version 
2014-09-17 
14年9月17日水曜日1
I gave my speech in Japanese and 
unfortunately simultaneous 
interpretation was not recorded. So I 
rewrite important part of my slide into 
English for non-Japanese speakers. 
14年9月17日水曜日2
self introduction 
14年9月17日水曜日3
self introduction 
• Cybozu Labs. 
14年9月17日水曜日3
self introduction 
• Cybozu Labs. 
• Researching next generation groupware 
14年9月17日水曜日3
self introduction 
• Cybozu Labs. 
• Researching next generation groupware 
• What is groupware? 
14年9月17日水曜日3

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PyConJP Keynote Speech (English version)

  • 1. Rediscover with Python Cybozu Labs. NISHIO Hirokazu PyCon JP Keynote Speech English version 2014-09-17 14年9月17日水曜日1
  • 2. I gave my speech in Japanese and unfortunately simultaneous interpretation was not recorded. So I rewrite important part of my slide into English for non-Japanese speakers. 14年9月17日水曜日2
  • 4. self introduction • Cybozu Labs. 14年9月17日水曜日3
  • 5. self introduction • Cybozu Labs. • Researching next generation groupware 14年9月17日水曜日3
  • 6. self introduction • Cybozu Labs. • Researching next generation groupware • What is groupware? 14年9月17日水曜日3
  • 7. examples of groupware kintone is our product: https://www.kintone.com/ 14年9月17日水曜日4
  • 8. What is groupware? coined by Douglas C. Engelbart, the inventor of mouse and GUI 14年9月17日水曜日5
  • 9. What is groupware? Group + Software coined by Douglas C. Engelbart, the inventor of mouse and GUI 14年9月17日水曜日5
  • 10. Augmenting Human Intellect Augment Human’s ability with software Douglas C. Engelbart "Augmenting Human Intellect: A Conceptual Framework" (1962) 14年9月17日水曜日6
  • 11. Augmenting Group Intellect Augment group’s ability with software = Groupware 14年9月17日水曜日7
  • 12. word2vec Computer read text and understand relation between words in the text my book. published on May 14年9月17日水曜日8
  • 13. 人間 コンピュータ You may think like this 14年9月17日水曜日9
  • 14. 人間+コンピュータ =増強された人間 人間 I prefer to think like this 14年9月17日水曜日10
  • 15. Example To monitor yourself won’t works well. When you are in bad condition, monitoring is also in bad condition. So you can’t notice you are in bad condition. One solution is monitoring by another person. But sense of shame and pride will cause problems. 14年9月17日水曜日11
  • 16. Another solution is monitoring by computer. It solves “shame and pride” problems. 14年9月17日水曜日12
  • 17. This is a prototype. You can consult with the system to motivate yourself. 13000 people used it and 6000 people was motivated. 14年9月17日水曜日13
  • 18. 14 channels brain wave sensor Another approach is going. 14年9月17日水曜日14
  • 19. Human→Machine touch panel Machine→Human liquid crystal (multi-touch) switch mouse keyboard camera scanner paper CRT 3D TV e-ink HMD Method to copy information from/to human is evolved 14年9月17日水曜日15
  • 20. Machine→Human paper CRT liquid crystal 3D TV e-ink HMD book e-book But books are not evolved much We need next generation “book reading”. Computer should monitor human reading books, and augment its performance. I think brain-wave and hi-reso HMD are the key to future. 14年9月17日水曜日16
  • 21. 4 elements to augment human • 1: Artifacts: computer, software, etc. • 2: Language: jargon to refer special concepts, design patterns, etc. • 3: Methodology: procedure and strategy for solving problems, etc. • 4: Training: achieve skills to use 1~3 Engelbart "Augmenting Human Intellect: A Conceptual Framework" (1962) 14年9月17日水曜日17
  • 22. theme of this conference: Rediscover with Python 14年9月17日水曜日18
  • 23. How to discover? →Methodology to find unknown 14年9月17日水曜日19
  • 24. When you see something... 14年9月17日水曜日20
  • 25. You see some part of the object 14年9月17日水曜日21
  • 26. If you see the object from the left side, it looks like a sphere. But if you see it from the bottom side, you find it has a tail! It is the process to discover unknown 14年9月17日水曜日22
  • 27. How to discover? →Change Perspective 14年9月17日水曜日23
  • 28. known ↔ unknown Two? no, it’s not correct. 14年9月17日水曜日24
  • 29. obviously known obviously unknown Between known and unknown... 14年9月17日水曜日25
  • 30. obviously known obviously unknown 不明not obvious There are things which you don’t know that you don’t know them. “obvious” = “明” in Japanese 14年9月17日水曜日26
  • 31. blind spot • Between “Things you know” and “Things you don’t know”, “Things you don’t know that you don’t know them” exists • You don’t see it, but you don’t notice you don’t see it, that is the blind spot 14年9月17日水曜日27
  • 32. Clarify what you know obviously known obviously unknown 14年9月17日水曜日28
  • 33. ←blind spot Out of the border you can find blind spot obviously known obviously unknown 14年9月17日水曜日29
  • 34. ←blindspot Then the border expands obviously known obviously unknown 14年9月17日水曜日30
  • 35. How to find blind spot? 14年9月17日水曜日31
  • 36. In my book published in April 2013, I introduced three way to learn Comparison History Experience Japanese, Korean, Chinese version are available, English version is on going. http://nhiro.org/langbook/en.html 14年9月17日水曜日32
  • 37. In my special feature article in this April, I added two Comparison History Experience + Abstraction Communication 14年9月17日水曜日33
  • 38. How to find blind spot? Comparison History Experience Abstraction Communication 14年9月17日水曜日34
  • 39. Comparison • You can find blind spot by comparing programming languages “In Ruby, 0 is true?! In Python it is false!” “It differs among languages?” “What is the definition in Python??” object.__nonzero__(self) Called to implement truth value testing and the built-in operation bool(); 14年9月17日水曜日35
  • 40. History • You can find blind spot by learning history. “Why Python has new-style class and old class?” →(Learn history) → “To unify types and classes? It’s important!” “Old class has problem on method resolution order, so we need new-style class. I got it.” Unifying types and classes in Python 2.2 | Python.org https://www.python.org/download/releases/2.2.3/descrintro 14年9月17日水曜日36
  • 41. Experience • You can find blind spot by doing based on your understanding. Especially it won’t work as you think. “Oops, why 1/2 goes into 0? I think it goes 0.5!” PEP 238 -- Changing the Division Operator http://legacy.python.org/dev/peps/pep-0238/ If you think it is obviously goes into 0, you didn’t find your blind spot. You should experience Python 3. 14年9月17日水曜日37
  • 42. Abstraction • You can find blind spot by learning abstract model and connect it to your experience. It helps you verbalize implicit knowledge. “Ah, I’m used to the coding pattern but I didn’t know it was called Mediator Pattern!” “Mailing lists are also Mediator Pattern in information sharing domain!” Abstract model can connect experiences in different domain/person/situation. 14年9月17日水曜日38
  • 43. Communication • You can find blind spot by talking with other people who have different experiences. “I have a problem...” “You can solve it by ...” “Oh! Nice idea!” “But it is common in GUI programming” “Hmm, I don’t know on GUI” 14年9月17日水曜日39
  • 44. How to find blind spot? Comparison History Experience Abstraction Communication 14年9月17日水曜日40
  • 46. Office Hour 13:00-13:30 Blog, Mail see http://nhiro.org/ 14年9月17日水曜日42
  • 48. Q: Some people ignore the chance to find blind spot. How can I manage them? 14年9月17日水曜日44
  • 49. A: “U Theory” is targeting the problem. I’ll give lecture on that in Kyoto Univ. Summer Design School. After that you can read my slides on U soon. http://www.design.kyoto-u.ac.jp/sds2014/ja/theme01.html 14年9月17日水曜日45
  • 50. A: First, “How to manage others” is not good attitude. Change yourself first. 14年9月17日水曜日46
  • 51. A: Second, you (and I) sometimes ignore the chance to find blind spot too. It’s common. Be aware and be careful. That helps you find blind spot. 14年9月17日水曜日47
  • 52. A: Start from small step. Make useful result by finding blind spot. Successful experience make you confident. 14年9月17日水曜日48
  • 53. from my lecture U Curve PDCA Cycle and U Curve U Curve Otto Scharmer “U Theory”   state action 14年9月17日水曜日49
  • 54. from my lecture U Curve PDCA Cycle and U Curve U Curve ←You stick on false belief and you don’t see. Otto Scharmer “U Theory”   state action 14年9月17日水曜日50
  • 55. from my lecture U Curve PDCA Cycle and U Curve U Curve ←You see, but from your perspective. Otto Scharmer “U Theory”   state action You draw boundary between self and others, thinking “they don’t do ...(some good action)” 14年9月17日水曜日51
  • 56. Q: Is it important to make abstract models? 14年9月17日水曜日52
  • 57. A: Yes, it’s important. 14年9月17日水曜日53
  • 58. Section 3 of my special feature is how to make models. You can read them(but in Japanese) http://gihyo.jp/lifestyle/feature/01/engineer-studying 14年9月17日水曜日54
  • 59. A: Sense of “I got it” is also hypothesis. Hypothesis should be tested. Do action based on your understanding and check the result. 14年9月17日水曜日55
  • 60. A: If the result differ from your understanding, it is chance to adjust your models. To repeat the process you can achieve better models, and then based on that you can make larger model. This is a method. 14年9月17日水曜日56
  • 61. A: Another method KJ method and grounded theory. They are used in domains, in which experiments are difficult. 14年9月17日水曜日57
  • 62. A: I’ll introduce KJ method roughly. First, collect a lot of data. Don’t filter based on your prejudice. Spread all data on your desk. 14年9月17日水曜日58
  • 63. A: Human’s woring memory is about seven. But if you put data on your desk, you can see 100~200 data at a time. 14年9月17日水曜日59
  • 64. A: Seeing 100 data, moving them physically, making structure from bottom up, and then you get models on your desk. (Models in my book and special features are also developed with KJ method) 14年9月17日水曜日60
  • 65. Q: 5 ways to find blind spot are not same on time series. 14年9月17日水曜日61
  • 66. A: Good point. It’s my blind point. Sure, “Abstraction” is follower. A person without any programming experience can not find blind spot by reading design patterns textbooks. Abstract models in book doesn’t connect to his experience. 14年9月17日水曜日62
  • 67. Q: How to share know-how among testers. (detail omitted) 14年9月17日水曜日63
  • 68. A: It looks a problem to share implicit, not verbalized, knowledge. One method is “work together” 14年9月17日水曜日64
  • 69. A: By working together, we can share knowledge without verbalizing them. Additionally, if one person is prohibited to do anything except for talking what to do, it prompt verbalization. Ref: Keith Sawyer "Group Genius: The Creative Power of Collaboration" 14年9月17日水曜日65
  • 70. A: We can make manuals only after we verbalized our knowledge. Verbalization is difficult job. Delegating the job without any training is bad idea. 14年9月17日水曜日66
  • 71. not verbalized knowledge   Ikujiro Nonaka "The knowledge creating company" Japanese version p93   from my lecture verbalized not verbalized 14年9月17日水曜日67
  • 72. not verbalized knowledge   Ikujiro Nonaka "The knowledge creating company" Japanese version p93   from my lecture verbalized not verbalized ↑pair programming, work together 14年9月17日水曜日68
  • 73. Q: I make template to share information and use it. By answering questions, required information will be collected. 14年9月17日水曜日69
  • 74. A: Nice method. Even if someone can not verbalize himself, they can answer to specific questions. It’s common. Making good questions are useful. 14年9月17日水曜日70
  • 75. A: However, be careful. Sometimes we lose information which is not fit to the template. Innovative information don’t fit to existing template. 14年9月17日水曜日71