pyconjp keynote speech (english version)
DESCRIPTION
PyConJP Keynote Speech (English version)TRANSCRIPT
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Rediscover with PythonCybozu Labs.
NISHIO Hirokazu
PyCon JP Keynote SpeechEnglish version
2014-09-17114年9月17日水曜日
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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.
214年9月17日水曜日
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self introduction
314年9月17日水曜日
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self introduction
• Cybozu Labs.
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self introduction
• Cybozu Labs.
• Researching next generation groupware
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self introduction
• Cybozu Labs.
• Researching next generation groupware
• What is groupware?
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examples of groupware
kintone is our product: https://www.kintone.com/414年9月17日水曜日
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What is groupware?
coined by Douglas C. Engelbart, the inventor of mouse and GUI514年9月17日水曜日
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What is groupware?
Group + Software
coined by Douglas C. Engelbart, the inventor of mouse and GUI514年9月17日水曜日
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Augmenting Human Intellect
Douglas C. Engelbart "Augmenting Human Intellect: A Conceptual Framework" (1962)
Augment Human’s abilitywith software
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Augmenting Group Intellect
Augment group’s abilitywith software
= Groupware
714年9月17日水曜日
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Computer read text and understand relation
between words in the text
word2vec
my book. published on May814年9月17日水曜日
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人間
コンピュータ
You may think like this914年9月17日水曜日
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人間
人間+コンピュータ=増強された人間
I prefer to think like this1014年9月17日水曜日
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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.
Example
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Another solution is monitoring by computer. It solves “shame and pride” problems.
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This is a prototype. You can consult with the system to motivate yourself. 13000 people used it and 6000 people was motivated.
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14 channels brain wave sensor
Another approach is going.
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Machine→Human
Human→Machine touch panel
liquid crystal
(multi-touch)
switch
mousekeyboard
camerascanner
paper CRT 3D TV
HMDe-ink
Method to copy information from/to human is evolved1514年9月17日水曜日
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Machine→Human
liquid crystalpaper CRT 3D TV
HMDe-ink
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.1614年9月17日水曜日
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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)1714年9月17日水曜日
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theme of this conference:
Rediscover with Python
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How to discover?→Methodology to find unknown
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When you see something...2014年9月17日水曜日
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You see some part of the object2114年9月17日水曜日
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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 todiscover unknown
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How to discover?→Change Perspective
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known ↔ unknown
Two? no, it’s not correct.
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obviouslyknown
obviouslyunknown
Between known and unknown...
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obviouslyknown
obviouslyunknown
不明not obvious
There are things which you don’t know that you don’t know them.
“obvious” = “明” in Japanese2614年9月17日水曜日
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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
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Clarify what you knowobviouslyknown
obviouslyunknown
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←blind spot
Out of the border you can find blind spot
obviouslyknown
obviouslyunknown
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←blindspot
Then the border expands
obviouslyknown
obviouslyunknown
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How to find blind spot?
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ComparisonHistory
Experience
In my book published in April 2013, I introduced three way
to learn
Japanese, Korean, Chinese version are available, English version is on going. http://nhiro.org/langbook/en.html
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ComparisonHistory
Experience+
AbstractionCommunication
In my special feature article in this April, I added two
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ComparisonHistory
ExperienceAbstraction
Communication
How to find blind spot?
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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();
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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.orghttps://www.python.org/download/releases/2.2.3/descrintro
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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 Operatorhttp://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 3.3714年9月17日水曜日
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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.
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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”
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ComparisonHistory
ExperienceAbstraction
Communication
How to find blind spot?
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Communication
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Office Hour13:00-13:30
Blog, Mailsee http://nhiro.org/
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Q&A
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Q: Some people ignore the chance to find blind spot. How can I
manage them?
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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.html4514年9月17日水曜日
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A: First, “How to manage others” is not good
attitude. Change yourself first.
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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.4714年9月17日水曜日
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A: Start from small step.Make useful result by finding blind spot.
Successful experience make you confident.
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U Curve
PDCA Cycle and U CurveU Curve
Otto Scharmer “U Theory”
state
action
from my lecture
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U Curve
PDCA Cycle and U CurveU Curve
Otto Scharmer “U Theory”
state
action
from my lecture
←You stick on false belief and you don’t see.
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U Curve
PDCA Cycle and U CurveU Curve
Otto Scharmer “U Theory”
state
action
from my lecture
←You see, but from your perspective.You draw boundary between self and others,thinking “they don’t do ...(some good action)”
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Q: Is it important to make abstract models?
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A: Yes, it’s important.
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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
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A: Sense of “I got it” is also hypothesis. Hypothesis
should be tested. Do action based on your understanding and check
the result.5514年9月17日水曜日
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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.
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A: Another method KJ method and grounded theory. They are used in
domains, in which experiments are difficult.
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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.
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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.
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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)
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Q: 5 ways to find blind spot are not same on time
series.
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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.
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Q: How to share know-how among testers.(detail omitted)
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A: It looks a problem to share implicit, not
verbalized, knowledge.One method is “work
together”
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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"6514年9月17日水曜日
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A: We can make manuals only after we verbalized
our knowledge. Verbalization is difficult job. Delegating the job without any training
is bad idea.6614年9月17日水曜日
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not verbalized knowledge
Ikujiro Nonaka "The knowledge creating company" Japanese version p93
from my lecture
verbalized
not verbalized
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not verbalized knowledge
Ikujiro Nonaka "The knowledge creating company" Japanese version p93
from my lecture
verbalized
not verbalized
↑pair programming, work together
6814年9月17日水曜日
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Q: I make template to share information and use it. By answering questions, required information will
be collected.
6914年9月17日水曜日
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A: Nice method. Even if someone can not verbalize himself, they can answer to specific questions. It’s common. Making good questions are useful.
7014年9月17日水曜日
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A: However, be careful. Sometimes we lose
information which is not fit to the template.
Innovative information don’t fit to existing
template.7114年9月17日水曜日