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Mining App Store requirements
Mark Harman, Yue Jia and Yuanyuan Zhang University College London
Mining App Store requirements
Mark Harman, Yue Jia and Yuanyuan Zhang University College London
Mining App Store requirements Mark Harman, Yue Jia and Yuanyuan - - PowerPoint PPT Presentation
Mining App Store requirements Mark Harman, Yue Jia and Yuanyuan - - PowerPoint PPT Presentation
Mining App Store requirements Mark Harman, Yue Jia and Yuanyuan Zhang University College London Mining App Store requirements Mark Harman, Yue Jia and Yuanyuan Zhang University College London Motivation Customer Customer A B R 3 R 1
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Motivation
Customer A Customer B
R 5 R 4 R 3 R 2 R 1
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Traditional Software Repository
MSR for App Stores
S V N B u g z i l l a Git
Bugs
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Source Code Changes Bugs Reports Traditional Software Repository
S V N B u g z i l l a Git
Technical Email
MSR for App Stores
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Source Code Changes Bugs Reports Traditional Software Repository
S V N B u g z i l l a Git
Technical Email
MSR for App Stores
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Source Code Changes Bugs Reports Traditional Software Repository
S V N B u g z i l l a Git
Technical Customer Business Email
MSR for App Stores
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App Store Repository
MSR for App Stores
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Business
Price
Customer
Ratings Popularity
App Store Repository
MSR for App Stores
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Business
Price
Customer
Ratings Popularity
Technical
Features
App Store Repository
MSR for App Stores
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MSR for App Stores
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MSR for App Stores
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MSR for App Stores
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MSR for App Stores
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MSR for App Stores
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MSR for App Stores http://www.cs.ucl.ac.uk/staff/Y.Jia/projects/app_store_mining
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MSR for App Stores
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Extracting features from description of apps
A feature to be a property, captured by a set of words in the app description and shared by a set of apps.
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Extracting features from description of apps
A feature to be a property, captured by a set of words in the app description and shared by a set of apps.
- setup, bank, accounts
- calculate, monthly, expenses
- e-mail, alerts, stock
- create, watch, lists
- financial, business, news
e.g. Finance
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Extracting features from description of apps
A feature to be a property, captured by a set of words in the app description and shared by a set of apps.
- setup, bank, accounts
- calculate, monthly, expenses
- e-mail, alerts, stock
- create, watch, lists
- financial, business, news
- free,wifi
- wifi, hotspot, near
- download, offline, use
- restaurants, plotted, map
- bus, service
e.g. Travel e.g. Finance
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MSR for App Stores
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App Features
MSR for App Stores
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App Features
MSR for App Stores
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E.g cost for features
MSR for App Stores
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E.g cost for features C ( )+C( )+C( ) 3
MSR for App Stores
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E.g cost for features C ( )+C( )+C( ) 3
MSR for App Stores
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Do higher rated apps get more downloads?
MSR for App Stores
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Do higher rated apps get more downloads?
Apps Features
Spearman rank correlations
(Ratings, Rank of Downloads)
0.79 0.89
MSR for App Stores
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What’s the chance of producing a similar feature correlation purely at random ?
MSR for App Stores
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What’s the chance of producing a similar feature correlation purely at random ?
MSR for App Stores
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What’s the chance of producing a similar feature correlation purely at random ?
MSR for App Stores
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How price sensitive are customers?
MSR for App Stores
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How price sensitive are customers?
Apps Features
Spearman rank correlations
(Price, Rank of Downloads)
0.12
- 0.09
MSR for App Stores
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Which feature shall I include in a travel app?
MSR for App Stores
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Current work
Predictive Models for App prices
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Conclusion
App Store: a new form of software repository
MSR for App Stores
Rich source of information
Customer Business Technical
http://www.cs.ucl.ac.uk/staff/Y.Jia/projects/app_store_mining
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