analisis kebutuhan1

8/8/2019 analisis kebutuhan1

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L earning Outcomes

Pada akhir pertemuan ini, diharapkan mahasiswaakan mampu :Merumuskan kebutuhan-kebutuhan atas SistemInformasi Geografis (C2, TIK09)


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Outline Materi

Materi 1 : Problem Identification

Materi 2 : Rich Picture

Materi 3 : Root Definition


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Problem Identification

The problem that the GIS will address must beidentifiedThere are 2 techniques that can be used to

assist problem identification : creating a richpicture or developing a root definition.Both these 2 techniques are drawn from the softsystem approach (Checkland, 1981; Wood-

Harper et al., 1995) to system design.


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Rich Picture

Schematic view of the problem a project will address.It presents the main components of the problem, as well as any

interactions that exist. Adopted from Avison & Wood-Harper (1991), Reeve (1996), and

Skidmore & Wroe (1998)These include the use of :

a. Crossed Swords : expresses conflictb. Eyes : represent external observers

c. Speech Bubbles : personal or group opinions(See a sample in the next picture)


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Analisis kebutuhan sistem


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Root Definition (1)

* A statement of an individual's or group's perspective on theproblem.

* Different users have different views of a problem. In the house-hunting GIS,the views of groups involved in the design process

might be quite different and lead to a degree of conflict.* For example, home buyers may see the GIS as "a system to help

identify and rank possible homes", whereas the estate agentsmay see it as"a system to help maximize house sales".


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Root Definition (2)

These two statements are the root definitions of these particular groups.

The system developer must get these two groups to agree on acommon root definition.

* For example, "a system that identifies properties for salewhich meet the requirements of individual home buyers".


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Problem Identification : Questions

What is the problem you wish to address with GIS ? Is theproblem structured or un structured ?Can the problem be summarized in a rich picture ? Does therich picture include the views of all those who will use the GIS

and all those who will be affected by it ?Can a single root definition be defined for the problem ? Is thisroot definition acceptable to all potential users and those whowill be affected by the GIS ?Can the problem be tackled within the resources available ?Would it be better to break the problem into smaller componentparts and tackle one of these first ?


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Penutup

Mahasiswa diharapkan telah mampumerumuskan kebutuhan-kebutuhan atas SistemInformasi Geografis dengan menggunakan Rich

Pictures & Root Definition.

analisis kebutuhan1

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