Saturday, 7 March 2015

Types of Decision Support System (DSS)

Question Format: Write a short note on types of decision support system. OR Enlist the types of DSS and explain how they used in organization for better decision making?

There are a number of Decision Support Systems. These can be categorized into five types:

Communication-driven DSS

Most communications-driven DSSs are targeted at internal teams, including partners. Its purpose are to help conduct a meeting, or for users to collaborate. 

The most common technology used to deploy the DSS is a web or client server. Examples: chats and instant messaging software, online collaboration and net-meeting systems.

Data-driven DSS

Most data-driven DSSs are targeted at managers, staff and also product/service suppliers. It is used to query a database or data warehouse to seek specific answers for specific purposes. 

It is deployed via a main frame system, client/server link, or via the web. Examples: computer-based databases that have a query system to check (including the incorporation of data to add value to existing databases.

Document-driven DSS

Document-driven DSSs are more common, targeted at a broad base of user groups. The purpose of such a DSS is to search web pages and find documents on a specific set of keywords or search terms. 

The usual technologies used to set up such DSSs are via the web or a client/server system.

Knowledge-driven DSS

Knowledge-driven DSSs or 'knowledgebase' are they are known, are a catch-all category covering a broad range of systems covering users within the organization setting it up, but may also include others interacting with the organization 

For example, consumers of a business. It is essentially used to provide management advice or to choose products/services. 

The typical deployment technology used to set up such systems could be server systems, the web, or software running on stand-alone PCs.

Model-driven DSS

Model-driven DSSs are complex systems that help analyze decisions or choose between different options. 

These are used by managers and staff members of a business, or people who interact with the organization, for a number of purposes depending on how the model is set up - scheduling, decision analyses etc. 

These DSSs can be deployed via software/hardware in stand-alone PCs, client/server systems, or the web.

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