Decision support system

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Decision Support System (DSS)

Decision Support System (DSS) /dɪˈsɪʒən səˈpɔːrt ˈsɪstəm/ is a computer-based information system that supports business or organizational decision-making activities.

Etymology

The term "Decision Support System" is derived from the concept of supporting decision-making processes with technology. It was first used in the 1970s in the context of management and business operations.

Definition

A Decision Support System is a type of Information System that is specifically designed to facilitate the process of decision making by providing relevant information, generating reports, and offering tools for analysis and simulation. It is typically used in business and management contexts, where it can help to support strategic, tactical, and operational decisions.

Components

A typical Decision Support System includes three main components:

  • Database Management System (DBMS): This component stores and manages the data that is used by the DSS. It can include a wide range of data types, including structured and unstructured data, and it may be stored in a variety of formats.
  • Model Management System (MMS): This component provides a range of mathematical and statistical models that can be used to analyze the data and generate insights. These models can include forecasting models, optimization models, and simulation models, among others.
  • User Interface (UI): This component provides a way for users to interact with the DSS. It typically includes tools for querying the database, running models, and viewing the results.

Related Terms

  • Business Intelligence: This is a broader term that encompasses a range of technologies and techniques for analyzing business data and providing actionable information to support decision making.
  • Expert System: This is a type of DSS that uses artificial intelligence techniques to simulate the judgment and behavior of a human expert in a particular field.
  • Knowledge Management System: This is a type of information system that is designed to manage an organization's knowledge assets, including both explicit and tacit knowledge.
  • Management Information System: This is a type of information system that is designed to provide managers with the information they need to make effective decisions.

External links

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