#ossparis17 - the crossminer h2020 project: developer-centric knowledge mining from large oss...

Developer-Centric Knowledge Mining fromLarge Open-Source Software Repositories

Paris Open Source Summit, Floss - Innovation collaborative 2017

Alessandra Bagnato - Softeam

Softeam Paris Open Source Summit 2017 1

Related activities

- Searching for candidate components

- Evaluating a set of retrieved candidate components to find the most suitable one

- Understanding how to use the selected components

- Monitoring the selected components

Context

Development of new software systems by reusing existing open source components

2Paris Open Source Summit 2017Softeam

Floss Collaborative Innovation: Open Source Software Analysis & Monitoring

Open Source Software analysis &

Monitoring: storing, tracking,

searching and analyzing software

artefacts:

• OSSMETER FP7 Project -

Automated Measurement and

Analysis of Open Source Software

(1er October 2012 – 31st December

2014)

• CROSSMINER H2020 Project -

Developer-Centric Knowledge

Mining from

Large Open-Source Software

Repositories

• (1er January 2017 – 31st Dec 2019)

OW2Con 2017 4

FP7 OSSMETER https://github.com/ossmeter/ossmeter

Softeam

OW2Con 2017 5

H2020 CROSSMINER https://github.com/crossminer

Softeam

Related activities

- Searching for candidate components

- Evaluating a set of retrieved candidate components to find the most suitable one

- Understanding how to use the selected components

- Monitoring the selected components

Context

Development of new software systems by reusing existing open source components


Challenging tasks

- assessing quality, maturity, activity of development and user support is not a straightforward process

Different and heterogeneous source of information

- e.g., code repositories, communication channels, bug tracking systems

Selecting and Using OSS components

Source code

Q&A systems

Bug Reports

API Documentation

Tutorials

Configuration Management Systems


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Analysis of OSS projects in OSSMETER

OSS Project

Communication channel (Newsgroup/forum/

mailing list)

Source CodeRepository

Bug Tracking System

OSS ForgeMetadata

Paris Open Source Summit 2017Softeam

10

Analysis of OSS projects in OSSMETER


Wealth of data to present

Needs to be user-friendly / digestible

Presentation driven by the quality model

Presentation


The default OSSMETER quality model


CROSSMINER aims at doing more


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Source code

Q&A systems

Bug Reports

API Documentation

Tutorials

Configuration Management Systems


OW2Con 2017 17

CROSSMINER: high-level view

Data Preprocessing Capturing ContextProducing

RecommendationsPresenting

Recommendations

Softeam

Mining and Analysis Tools

18




Recommendations

Knowledge Base

Source Code Miner

NLPMiner

ConfigurationMiner

Cross projectAnalysis

OSS forges

Source Code

Natural language channels

Configuration Scripts

lookup/store

mine


19




Recommendations

DeveloperIDE

Knowledge Base

query

recommendationsData

Storage

Real-time recommendations that serve productivity and quality increase


20

CROSSMINER Deployment diagram


FP7 OSSMETER: https://github.com/ossmeter/ossmeter

H2020 CROSSMINER https://github.com/crossminer

Docker Images for the platform component for ossmeter & the web app for ossmeter: https://hub.docker.com/u/crossminer/ (this is a prototype: images are built from a dedicated git repo, and pushed to docker hub)

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OSSMETER & CROSSMINER on GitHub & Docker

Softeam Paris Open Source Summit 2017

https://github.com/ossmeter/ossmeter

https://github.com/crossminer

https://hub.docker.com/u/crossminer/

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Web site: http://www.ossmeter.org/


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Web Site: https://www.crossminer.org/


www.crossminer.org

@crossminer

University of L'Aquila OW2Con 2017 24

Thanks!

Alessandra Bagnato, Softeam R&D

[email protected]

[email protected]

@alebagnato

mailto:[email protected]

#ossparis17 - the crossminer h2020 project: developer-centric knowledge mining from large oss...

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