How did you spend the last few weeks of your last couple summer vacations?
What you did last summer?
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CodeCraft meetingMay 2012
Mariusz Nowostawski@praeteritio
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About myself
• Lecturer– Information science: telecommunications, AI,
programming (software engineering), security, network administration, design, multi-agent systems
• Scientist– Virtual machines and machine learning, evolutionary
computing, self-evolving software, mobile and ubiquitous technologies, modeling life
• Adventurer and others…– Running, mountain climbing, cycling, paragliding, etc.
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Today’s talk
Summer project 1 applied research
Summer project 2 scaffolding for doing things
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A: How many?B: How many what?A: How many people smoked in cars?B: 3. There 78 cars and only 3 had smokers.A: Any children in the cars?B: No. There were no children.A: That’s good.
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A: How many?B: How many what?A: How many people smoke in cars?B: 3. There 78 cars and only 3 had smokers.A: Any children in those cars?B: No. There were no children.A: That’s good.
(pause)
A: Why do people smoke?
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Person A
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A: How many?B: How many what?A: How many people smoke in cars?B: 3. There 78 cars and only 3 had smokers.A: Any children in those cars?B: No. There were no children.A: That’s good.
(pause)
A: Why do people smoke?
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Smoking debate
How many people smoke in cars?
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Approx. 16,000 cars checkedone city, 4 locations
2 weeks, 4 data collectorsfixed protocol
2.0 – 6.4 % of smokers (depending on the area)
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Crowdsourcing
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• Wikipedia• Community based designs: threadless.com
www.local-motors.com (The Forge)• Community based voting: iStockPhotos• www.microtask.com – paper form transcribing• …• reCAPTCHA. Stop spam. Read books.• Voice-to-Text (cloud-based, like Google)• …
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Counting smoking in cars
(summer project 1)
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GLOBALink
• Vimal (Wellington)• Hamish (Otago)
• mid-October, kickstart• 3 skype meetings, drafting project specs• GIT repository, initial prototyping• Work on Android application continues…
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TobaccoFree
• December – Androd App ready• January – web app ready, primitive and buggy• Mid February, initial “launch”• Working on iOS version in spare time• Localization• Bug fixing, new functionality, protocol
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Summer Project
Source Line of Code:2136 Android Java1205 iOS ObjC1181 Web Python
Totals grouped by language:Java: 2136 (47.24%)ObjC: 1205 (26.65%)Python: 1181 (26.12%)
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TobaccoFree.nzdis.org
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“Big” software project
• Various software engineering skills• Project management skills• UI design, interaction design, specs/analysis• Deployment and Testing• Database skills (no-SQL, mongoDB backend)• Java & Android programming• Web apps, RESTful APIs, HTML, CSS, JavaScript• Google Maps integration
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Lessons learned
• Full stack vs. Glue frameworks• No-SQL: the good and the bad• Frameworks integration• Multi-source-language development, 3 core
languages, plus JavaScript.• Localisation, coordination, updates• Testing, bug fixing, growing codebase,
managing complexity
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“Big” software projecton $5k budget
Total Physical Source Lines of Code (SLOC) = 4,522Development Effort Estimate:
Person-Months: 11.70Schedule Estimate, months: 6.37Estimated Average Number of Developers = 1.84Total Estimated Cost to Develop = $ 131,746(assuming average salary = $56,286/year)
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Deployment and Testing
• Public key cryptography, certificates• Publishing, setups, procedures
• Bureaucracy, administrative tasks (considerable)
• Funding: grant applications
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Myths
“Oh, that’s easy. I can hack it in a week.”
“We just hire a programmer and it all will be done in no time.”
“Students will help. Students can do that.”
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Further research
• Crowdsourcing: incentives, management
• TobaccoFree: smoke counting, models, stats
• Software engineering and curriculum rethink
• People will help to collect data
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Students and participants
• Larger participation? Incentives would help? • Is building up skills an incentive enough?
• Skills. Tasks scope.
• Vertical vs. Horizontal specialization.
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Summer project 2
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Startups
• Topic for another talk– World 45, private consulting (praeteritio)– Ngarua
• Tomek (Wroclaw, Poland)• Murad (Helsinki, Finland)
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Lapland
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Motivation
• System for active lifestyle. example: new place, holidays
• Social networks. Actually, open social networks. example: email
• Innovation, agility, progress. imagine that• Research data. example: personal Science Lab• People behavioral data FOR PEOPLE (not for sale)
Why people do what the do?
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We need to start somewhere
• Active lifestyle. • Open and transparent.
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do thinger
• Doing things with friends vs. • Doing things with anybody vs. • Doing things on your own
• A “different” social/non-social network
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dothinger.com
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Things
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Threads
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What have I done last week?
go and check on DoThinger
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doThinger
• We do not know yet where it is going – Tell us: you can and you should
• Event’s/trips photo sharing – Tomek
Doing something fun, learning, exploring things
Dunedin deserves it’s own Social Networking site