In this diagram I mapped all business requirements to the corresponding business actors. At the top we find the requirements families. The objective was to determine clusters of requirements that can be regrouped in target use cases (more than 50 in this case).

I have documented the method in this post : requirements matrix in archimate.

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If your #entarch is based on "technology before process before people", you'd better be 200% confident in what you're doing. Mostly not.
http://twitter.com/jfdeclercq_biz/status/653850768311775232

Slideshare app requires Internet login so you can't used it offline #whatsthepoint #ux #useless
http://twitter.com/jfdeclercq_biz/status/653819898314027008

#Twitter should do like Facebook. More ads. Than a premium ad free version #nofreelunch
http://twitter.com/jfdeclercq_biz/status/653813247968157696

Six years ago, Twitter had 22 employees. Today it has 4,100 | KTVU http://t.co/dXaG3WUuza
http://twitter.com/jfdeclercq_biz/status/653809408682655744

Political games lead to architectural chaos... #entarch
http://twitter.com/jfdeclercq_biz/status/653544812398923776

SOA Patterns | Reference Data Distribution http://t.co/HQwzy8ZhWk
http://twitter.com/jfdeclercq_biz/status/653512874162290689

E-boeken in de bib (IAZ 18 september 2015) http://t.co/kv5kJaUlGa
http://twitter.com/jfdeclercq_biz/status/652173715413856256

E-boeken in de bib (IAZ 18 september 2015) http://t.co/b1Od1SgrPm
http://twitter.com/appepaper/status/652173714835042304

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E-boeken in de bib (IAZ 18 september 2015) http://t.co/kv5kJaUlGa
http://twitter.com/jfdeclercq_biz/status/652173715413856256

E-boeken in de bib (IAZ 18 september 2015) http://t.co/b1Od1SgrPm
http://twitter.com/appepaper/status/652173714835042304

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Critical flows... #entarch http://t.co/rvR8OVToQI
http://twitter.com/jfdeclercq_biz/status/652116964731711488

Critical flows... #entarch

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Critical flows show how the information flows from user to system and from system to system.

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May daily, never ending work... Enterprise Architecture - YouTube #entarch http://t.co/4sXCDRnYDC
http://twitter.com/jfdeclercq_biz/status/652100516751781889

May daily, never ending work... Enterprise Architecture - YouTube #entarch

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La roue de Paris est... A Bruxelles

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RT @tourismebelge: [Bravo !!!] @CapitaineRemi a fait Paris/#Bruxelles en #vélo libre-service http://t.co/w5s1YSSL2v http://t.co/nLBCb1V4h6
http://twitter.com/jfdeclercq/status/651774607079403520

RT @boezeman: Bonnier is Working on its Own eBook Subscription Service ? BookBeat http://t.co/b1ntgTwiYq
http://twitter.com/appepaper/status/651637297130139648

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I see more and more people watch movies or series or tv shows in the train.

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RT @Siecledigital: Les 4 « co? » d?une marque du XXIè siècle [ #Tendance #Branding ] http://t.co/lZ8armkF4b http://t.co/OLeS6sgSCC
http://twitter.com/jfdeclercq_biz/status/651279467109855233

Olivier Barette : e-Signature: new regulation boosting trust and security - IT One http://t.co/wwv40nBt9c
http://twitter.com/jfdeclercq_biz/status/650990914215772160

RT @theopengroup: RT @aj_josey: The IT4IT Reference Architecture v2.0 Standard is launched at @theopengroup event on October 20 #ogEDI http://t.co/gt7JsVjKtH
http://twitter.com/jfdeclercq_biz/status/650640330853888000

Amazon Web Service (AWS) | Application Architecture Center http://t.co/tkQIaexxIc #entarch
http://twitter.com/jfdeclercq_biz/status/650604802372726784