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Decision Support System (DSS)
A type of information system that helps executives make better decisions using historical and current data derived from internal information systems, as well as external sources.
DSS (comprised of)
Smaller computer-based systems and subsystems that are intended to help decision-makers important tasks, such as usage of communication technologies, collation and organization of data and documents, and the processing of data using tools and models.
Model-driven DSS
These types of DSS focus on providing users with access to different types of models.
Data-driven DSS
These types of DSS focus on providing users with access to different types of information.
Communication-driven DSS
These types of DSS focus on providing users with access to different types of communication and collaboration scheduling tools
Inter-Organizational/Intra-Organizational DSS
These types of DSS put external (clients, customers, business partners, etc.) and internal (departments in the organization, employees, managers, etc.) as its primary key factor.
Function-Specific/General Purpose DSS
These types of DSS are designed to support more specific functions for specific types of industries or businesses
Group Decision Support System (GDSS)
A type of decision support system that helps organization managers and executives reach a consensus during events that require their collective opinions and proposals.
GDSS (tools help)
Through its tools, communication, collaboration, and decision-making involving large numbers of managers and/or executives become efficient and cost-effective
GDSS (improves decision-making)
It improves the decision-making process by reducing conflicts and increasing idea generation through anonymous input and voting.
GDSS (promotes interaction)
It promotes interaction among group members and increases participation through its anonymity features.
GDSS (enables managers to address)
It enables managers to address decision problems by providing different options and suggestions to generate and evaluate ideas.
GDSS (provides ability to vote)
It also provides the ability to vote, rank, or rate alternative suggestions, which enables members to discuss the different features of each solution during the meeting.
GDSS (supports decision-making process)
It supports the decision-making process in which the decisions can be done without any problem, which also means that the decision made is of high quality.
Executive Support Systems (ESS)
A type of information system that facilitates and supports the information and decision-making needs of senior executives by providing easy access to internal and external information that is relevant to their goals.
ESS (compiles information from)
It compiles information from DSS, MIS, and other internal or external information systems.
ESS (main purpose)
Its main purpose is to give senior executives the ability to review summarized information on the organization's business, which also helps them track the progress of its various divisions
ESS (easy-to-use information systems)
Provide easy-to-use information systems that provide access to summarized information on the organization's current operations.
ESS (helps identify)
Helps identify overall trends and long-term forecasts of its competitors or economic changes.
ESS (provide executives with tools)
Provide executives with tools for quick and accurate analysis for future decisions.
ESS (gives executives the ability)
Gives executives the ability to perform drill-down analysis on specific company information.
Computer Skill Requirement (ESS risk)
Usage of an ESS assumes that executives and senior managers know how to operate computers.
Long Processing Time (ESS risk)
Depending on the volume of information, analysis and processing of data to get the desired information may take a considerable amount of time
Limitations on Summarized Information (ESS risk)
Information derived from specific data may be insufficient for executives to base a decision on, requiring them to derive data from other systems (such as DSS) to get specific data.
Difficulty in Quantifying Benefits (ESS risk)
Since a decision processed by an ESS is based on summarized information, it may be hard for an executive to justify the said decision if specific details regarding the decision are queried.
Difficulty in Maintaining Database Integrity (ESS risk)
Since an ESS derives on large volumes of data, some of them external, the data inside the database may not produce accurate or correct results, which may further complicate the processing of information.