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 R 4 R 2 R 5

Bugs S V N B u g Git z i l l a Traditional Software Repository MSR for App Stores

Bugs Email Source Code Changes Technical Reports S V N B u g Git z i l l a Traditional Software Repository MSR for App Stores

Bugs Email Source Code Changes Technical Reports S V N B u g Git z i l l a Traditional Software Repository MSR for App Stores

Bugs Email Source Code Changes Technical Reports Customer S V N B u g Git z i l l a Traditional Software Business Repository MSR for App Stores

App Store Repository MSR for App Stores

Ratings Popularity Customer App Store Repository Price Business MSR for App Stores

Features Technical Ratings Popularity Customer App Store Repository Price Business MSR for App Stores

MSR for App Stores

MSR for App Stores

MSR for App Stores

MSR for App Stores

MSR for App Stores

MSR for App Stores http://www.cs.ucl.ac.uk/staff/Y.Jia/projects/app_store_mining

MSR for App Stores

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.

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. e.g. Finance - setup, bank, accounts - calculate, monthly, expenses - e-mail, alerts, stock - create, watch, lists - financial, business, news

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. e.g. Finance e.g. Travel - setup, bank, accounts - free,wifi - calculate, monthly, expenses - wifi, hotspot, near - e-mail, alerts, stock - download, offline, use - create, watch, lists - restaurants, plotted, map - financial, business, news - bus, service

MSR for App Stores

App Features MSR for App Stores

App Features MSR for App Stores

E.g cost for features MSR for App Stores

E.g cost for features C ( )+C( )+C( ) 3 MSR for App Stores

E.g cost for features C ( )+C( )+C( ) 3 MSR for App Stores

Do higher rated apps get more downloads? MSR for App Stores

Do higher rated apps get more downloads? Apps Features Spearman rank 0.79 0.89 correlations (Ratings, Rank of Downloads) MSR for App Stores

What’s the chance of producing a similar feature correlation purely at random ? MSR for App Stores

What’s the chance of producing a similar feature correlation purely at random ? MSR for App Stores

What’s the chance of producing a similar feature correlation purely at random ? MSR for App Stores

How price sensitive are customers? MSR for App Stores

How price sensitive are customers? Apps Features Spearman rank 0.12 -0.09 correlations (Price, Rank of Downloads) MSR for App Stores

Which feature shall I include in a travel app? MSR for App Stores

Current work Predictive Models for App prices

Conclusion App Store: a new form of software repository Rich source of information Customer Technical Business http://www.cs.ucl.ac.uk/staff/Y.Jia/projects/app_store_mining MSR for App Stores