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Lehrstuhl Informatik 5
(Information Systems)
Prof. Dr. M. Jarke
I5-DR-1503-1 This work by Dominik Renzel is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
Requirements Bazaar
Experiences, Added-Value and Acceptance of Requirements
Negotiation between End-Users and OSS Developers
Dominik Renzel, István Koren, Ralf Klamma, Matthias Jarke
RWTH Aachen University
Advanced Community Information Systems (ACIS)
renzel@dbis.rwth-aachen.de
SE 2015
March 20, 2015
Dresden, Germany
Lehrstuhl Informatik 5
(Information Systems)
Prof. Dr. M. Jarke
I5-DR-1503-2
Motivation
How to best leverage ICT to couple and engage end-user and OSS
developer communities in requirements negotiation?
Challenges
 Traditional Requirements Engineering (RE) techniques do not scale
 Existing ICT tools for RE often daunting for end-users/incomplete for developers
 Innovative end-user ideas seldomly reach OSS developers
Lehrstuhl Informatik 5
(Information Systems)
Prof. Dr. M. Jarke
I5-DR-1503-3
Social Requirements Engineering
(Law et al. 2012)
 Co-Creation Workflow
 Workspace Integration
 Requirements Elicitation & Negotiation
 Requirements Prioritization
Lehrstuhl Informatik 5
(Information Systems)
Prof. Dr. M. Jarke
I5-DR-1503-4
Requirements Bazaar –
Co-Creation Workflow
Objective: cyclic co-creation workflow for developers & end-users
from initial idea to product to new ideas (socio-technical systems)
Lehrstuhl Informatik 5
(Information Systems)
Prof. Dr. M. Jarke
I5-DR-1503-5
Requirements Bazaar –
Workspace Integration
Objective: integrate requirements negotiation in established
processes & environments for developers & end-users
One-Button Integration
Lehrstuhl Informatik 5
(Information Systems)
Prof. Dr. M. Jarke
I5-DR-1503-6
Requirements Bazaar –
Requirements Elicitation & Negotiation
Objective: create social media for requirements elicitation & negotiation
Lehrstuhl Informatik 5
(Information Systems)
Prof. Dr. M. Jarke
I5-DR-1503-7
Requirements Bazaar –
Requirements Prioritization
Objective: provide dashboard for personalized requirement rankings
Lehrstuhl Informatik 5
(Information Systems)
Prof. Dr. M. Jarke
I5-DR-1503-8
Requirements Bazaar –
Experiences from Productive Use
Since launch in 2013: 171 participants, 208 requirements
99.17
39.17
23.33
25.00
16.67
25.00
5.00
46.23
19.94
9.17
11.68
4.79
7.54
0.65
VIEW VOTE COMMENT CONTRIBUTE FOLLOW INVENT LEAD
Participant Activity
Participants (%) Actions (%)
202
141
92
202
74
18
6
67
116
6
134
190
0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
Viewed
Voted
Commented
Contributed to
Followed
Lead
Requirement Activity
yes no
Features
183
87.98%
Bug
Reports
12
5.77%
New Software
13
6.25%
Requirement Types
Lehrstuhl Informatik 5
(Information Systems)
Prof. Dr. M. Jarke
I5-DR-1503-9
Current Work –
Requirements Bazaar 2.0
 Presented at FOSDEM 2015
 Complete make-over based on prior experiences
– Micro service-based RESTful API
– AngularJS/Polymer
– JIRA issue tracking
– Jenkins CI
– Docker images
DevOps
Lehrstuhl Informatik 5
(Information Systems)
Prof. Dr. M. Jarke
I5-DR-1503-10
Future Work –
ReqBaz in Extended DevOps Lifecycle
Lehrstuhl Informatik 5
(Information Systems)
Prof. Dr. M. Jarke
I5-DR-1503-11
Questions?
 System: http://requirements-bazaar.org
 Code: https://github.com/rwth-acis/RequirementsBazaar
 Contact: reqbaz@dbis.rwth-aachen.de

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Requirements Bazaar: Experiences, Added Value & Acceptance of Requirements Negotiation between End-Users and OSS Developers

  • 1. Lehrstuhl Informatik 5 (Information Systems) Prof. Dr. M. Jarke I5-DR-1503-1 This work by Dominik Renzel is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License. Requirements Bazaar Experiences, Added-Value and Acceptance of Requirements Negotiation between End-Users and OSS Developers Dominik Renzel, István Koren, Ralf Klamma, Matthias Jarke RWTH Aachen University Advanced Community Information Systems (ACIS) renzel@dbis.rwth-aachen.de SE 2015 March 20, 2015 Dresden, Germany
  • 2. Lehrstuhl Informatik 5 (Information Systems) Prof. Dr. M. Jarke I5-DR-1503-2 Motivation How to best leverage ICT to couple and engage end-user and OSS developer communities in requirements negotiation? Challenges  Traditional Requirements Engineering (RE) techniques do not scale  Existing ICT tools for RE often daunting for end-users/incomplete for developers  Innovative end-user ideas seldomly reach OSS developers
  • 3. Lehrstuhl Informatik 5 (Information Systems) Prof. Dr. M. Jarke I5-DR-1503-3 Social Requirements Engineering (Law et al. 2012)  Co-Creation Workflow  Workspace Integration  Requirements Elicitation & Negotiation  Requirements Prioritization
  • 4. Lehrstuhl Informatik 5 (Information Systems) Prof. Dr. M. Jarke I5-DR-1503-4 Requirements Bazaar – Co-Creation Workflow Objective: cyclic co-creation workflow for developers & end-users from initial idea to product to new ideas (socio-technical systems)
  • 5. Lehrstuhl Informatik 5 (Information Systems) Prof. Dr. M. Jarke I5-DR-1503-5 Requirements Bazaar – Workspace Integration Objective: integrate requirements negotiation in established processes & environments for developers & end-users One-Button Integration
  • 6. Lehrstuhl Informatik 5 (Information Systems) Prof. Dr. M. Jarke I5-DR-1503-6 Requirements Bazaar – Requirements Elicitation & Negotiation Objective: create social media for requirements elicitation & negotiation
  • 7. Lehrstuhl Informatik 5 (Information Systems) Prof. Dr. M. Jarke I5-DR-1503-7 Requirements Bazaar – Requirements Prioritization Objective: provide dashboard for personalized requirement rankings
  • 8. Lehrstuhl Informatik 5 (Information Systems) Prof. Dr. M. Jarke I5-DR-1503-8 Requirements Bazaar – Experiences from Productive Use Since launch in 2013: 171 participants, 208 requirements 99.17 39.17 23.33 25.00 16.67 25.00 5.00 46.23 19.94 9.17 11.68 4.79 7.54 0.65 VIEW VOTE COMMENT CONTRIBUTE FOLLOW INVENT LEAD Participant Activity Participants (%) Actions (%) 202 141 92 202 74 18 6 67 116 6 134 190 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% Viewed Voted Commented Contributed to Followed Lead Requirement Activity yes no Features 183 87.98% Bug Reports 12 5.77% New Software 13 6.25% Requirement Types
  • 9. Lehrstuhl Informatik 5 (Information Systems) Prof. Dr. M. Jarke I5-DR-1503-9 Current Work – Requirements Bazaar 2.0  Presented at FOSDEM 2015  Complete make-over based on prior experiences – Micro service-based RESTful API – AngularJS/Polymer – JIRA issue tracking – Jenkins CI – Docker images DevOps
  • 10. Lehrstuhl Informatik 5 (Information Systems) Prof. Dr. M. Jarke I5-DR-1503-10 Future Work – ReqBaz in Extended DevOps Lifecycle
  • 11. Lehrstuhl Informatik 5 (Information Systems) Prof. Dr. M. Jarke I5-DR-1503-11 Questions?  System: http://requirements-bazaar.org  Code: https://github.com/rwth-acis/RequirementsBazaar  Contact: reqbaz@dbis.rwth-aachen.de

Editor's Notes

  1. CoP Definition (Wenger, 1998) Long Tail (Chris Anderson: businesses selling less of more)
  2. Show http://layers.dbis.rwth-aachen.de/jira/browse/SSS-143 (Artifacts & Comments imported from ReqBaz to JIRA)
  3. Requirements Bazaar Backend realizes an extensible scoring framework for requirements, which allows to develop ranking score metrics based on Requirements Bazaar data. We have experimented with different metrics, among them simple intuitive ones like number of votes for/against, commenting/contribution activity, number of followers, but also more complex metrics. For example, one metric looked at co-interest networks among Requirements Bazaar participants and ranked those requirements higher, which were voted high by participants with similar interests.
  4. Upper half of Cycle: End-user involvement in innovation/iterative improvements