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Frequently Asked Questions about Decision Support Systems by Dan Power

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41 results for "assumptions DW OLTP"

Question	Category	Date
What is a robust decision support quantitative model? by Daniel J. Power Editor, DSSResources.COM Some quantitative models provide very different results when assumptions are violated and when model ...	DSS Foundations	Apr 17, 2015
Is Amazon Web Services a 'good fit' for decision support and OLTP? by Daniel J. Power Editor, DSSResources.COM Amazon Web Services (AWS) hosts many popular Web applications including: Instagram, Vine, IFTTT, Netf...	DSS Foundations	Aug 25, 2013
How do data storage strategies differ among uses? by Daniel J. Power Editor, DSSResources.COM Everything that happens is being digitized. Customers are data, processes are data, supply chains are...	DSS Foundations	Aug 13, 2018
What is a DSS cost benefit analysis? by Dan Power Editor, DSSResources.com Decision support system cost benefit analysis is one technique used to determine if a proposed DSS should b...	DSS Foundations	Jul 18, 2010
What are issues in design and development of BI and DSS? by Daniel J. Power Editor, DSSResources.COM Building data-driven business intelligence decision support, model-driven decision support for foreca...	DSS Foundations	Nov 11, 2018
What is Planners Lab? by Dan Power Editor, DSSResources.COM Planners Lab is an innovative software product, a modern version of IFPS, a new tool for teaching student...	Model-driven DSS	Oct 22, 2006
Why is a person kept in the decision cycle? by Daniel J. Power Editor, DSSResources.COM Decision making using data and algorithms has inherent limitations. Decision automation and decision m...	DSS Foundations	Feb 04, 2018
What is Alter's DSS taxonomy? by Daniel J. Power Editor, DSSResources.com In the mid-1970s, the first wave of computerized decision support systems (DSS) became practical. St...	DSS Foundations	Jun 18, 2018
Do DSS builders assume their targeted users are rational thinkers? by Dan Power Editor, DSSResources.com Attitudes that we, as DSS builders, have toward potential users of a proposed DSS influences our design cho...	Building DSS	Feb 26, 2011
What is an enterprise-class translytical database? by Daniel J. Power and Ciara Heavin Translytical is a portmanteau word, in that parts of the words transaction and analytical are combined to form...	DSS Foundations	Oct 02, 2017
How does the Facebook database operate? by Daniel J. Power Editor, DSSResources.COM In March 2013, Facebook, the social networking megaplatform, reported it had 1.11 billion active user...	DSS Foundations	Aug 24, 2013
What is the potential size of the NSEERS database? The U.S. Immigration and Naturalization Services (INS) is creating a number of very large databases to support a variety of operations and processes. ...	DSS Applications	Aug 07, 2005
What is the difference between a DSS and a DSS generator? This Ask Dan! expands upon the question "What is a DSS?" from September 12, 2004. John Wen had asked on the Free DSS Forum at DSSResources.C...	Building DSS	Aug 06, 2005
Does an “information culture” encourage adopting and using decision support technologies? by Daniel J. Power Editor, DSSResources.COM Supposedly, the phenomenon of an “information culture” influences why some organizations adopt in...	DSS Theory	Nov 12, 2017
What is a computer supported special decision study? by Dan Power Editor, DSSResources.com Frequently, computerized tools are used to prepare one-time special studies and reports in unstructured, ...	DSS Foundations	Dec 23, 2015
What are ethics and privacy issues related to using a DSS? by Daniel Power Editor, DSSResources.com Using a decision support system (DSS) is sometimes associated with making hard choices, contested issues...	DSS Foundations	Dec 20, 2020
What are examples of routine decision support queries? by Dan Power Editor, DSSResources.com In the mid-1980s, the introduction of powerful relational database management systems (RDBMS) like Oracle ...	DSS Foundations	Jul 22, 2009
Is ETL software needed to build a model-driven DSS? by Daniel J. Power Editor, DSSResources.COM ETL refers to software used in the process of extracting data from a data source, transforming or alt...	Model-driven DSS	Apr 15, 2017
What is the history of computerized decision support? by Dan Power Editor, DSSResources.com Supposedly, if we study history we are less likely to make the same mistakes again. Decision support was on...	DSS Foundations	Jun 10, 2009
Is decision support research still needed? Daniel J. Power Editor, DSSResources.com Digital transformation is occurring globally and data-driven decision support, machine learning, and Arti...	DSS Foundations	Nov 25, 2019
What is localization of decision support and analytics? by Daniel J. Power Editor, DSSResources.COM As companies expand into the global marketplace decision support and analytics must often be localized...	DSS Foundations	Mar 28, 2015
What evaluation criteria are used for decision support projects? by Dan Power Editor, DSSResources.com One can categorize computerized decision support project evaluation concerns into 4 general criteria are...	DSS Foundations	Nov 28, 2007
How can DSS builders reduce resistance to a new system? by Dan Power Editor, DSSResources.com A new decision support system (DSS) may be an incremental change in an existing process, or provide a radi...	Building DSS	Nov 12, 2008
What is a recommender system? by Daniel J. Power Editor, DSSResources.COM A recommender system is a software tool that provides suggestions to a person for a defined domain or ...	DSS Foundations	Apr 27, 2017
What is digital data? by Daniel J. Power Editor, DSSResources.COM Blog posts, tweets and high definition movies are all digitized. We live in a digital universe of bit...	DSS Foundations	Jan 04, 2020
What are the answers to the DSS case study questions at DSSResources.COM? Recently Zam Zawari wrote "I need your guidelines on how to answer the questions in the case 'MeritCare Health System uses Simulation'". At ...	DSS Applications	Aug 16, 2005
What is logical decision-making? by Daniel J. Power Editor, DSSResources.COM Many adjectives are used to modify the compound word decision making or decision-making. For example,...	DSS Foundations	Sep 10, 2019
How does the Internet of Things (IoT) support decision making? by Daniel J. Power Editor, DSSResources.COM Supporting decision making is broadening in its scope and in available capabilities. According to Pow...	DSS Foundations	Aug 19, 2018
What are ethical issues associated with building and using DSS? by Daniel J. Power Editor, DSSResources.com Decision support builders and users face ethical challenges and issues. Some people think that bui...	Evaluating DSS Projects	May 10, 2019
Is it feasible to track all visitors to the United States and then build a Data-driven DSS? In response to the September 11, 2001 World Trade Center and Pentagon attack, the U.S. Congress required Attorney General John Ashcroft and the U.S. I...	DSS Applications	Aug 07, 2005
How can DSS impact steps in a general decision process model? by Dan Power Editor, DSSResources.com There are many types of computerized decision support systems that support a diverse set of tasks. Exper...	DSS Foundations	May 14, 2008
How does sensitivity analysis differ from "What if?" analysis? by Dan Power Editor, DSSResources.COM In the early days of decision support deployment, one of the major "selling points" of vendors and academ...	Model-driven DSS	Aug 30, 2014
What are the features of a model-driven DSS? by Dan Power Editor, DSSResources.com This is the final column about features of computerized decision support systems. The focus is on mod...	Model-driven DSS	Aug 09, 2008
What is evidence? by Daniel J. Power Editor, DSSResources.COM Evidence is an abstract idea that plays a significant role in human thinking and decision making. The...	DSS Foundations	Apr 16, 2018
When is "real-time" decision support desirable and needed? My Ask Dan! column “What is ‘real-time’ decision support in DSS News (Vol. 3, No. 24) struck a chord with some readers. This column is a follow-...	Building DSS	Aug 06, 2005
What is a DSS? by Dan Power Editor, DSSResources.com "What is a DSS?" is a fundamental question that many have addressed over the years. It seems appropriate to...	DSS Foundations	Mar 20, 2009
What are the advantages and disadvantages of computerized decision support? by Daniel J. Power Editor, DSSResources.COM This question in various forms has been popular in the Ask Dan! email. For example, J. Maclearn aske...	DSS Theory	Mar 02, 2007
How is Six Sigma related to DSS? For some readers Six Sigma may seem totally unrelated to Decision Support Systems. Others may not be quite certain what exactly "Six Sigma" ...	DSS Applications	Aug 07, 2005
What is evidence-based decision making? by Daniel J. Power Editor, DSSResources.COM Evidence-based decision making is a process of reason and rationality. The fast-flowing torrent of co...	DSS Foundations	May 15, 2018
Why is agile important? Daniel J. Power and Ciara Heavin Agile hype continues to grow and some see agile as a solution to every problem (cf., Ambroziewicz, 2017; Mandir, ...	DSS Foundations	Jun 22, 2020
Can computerized decision support reduce cognitive biases in decision making? by Dan Power Editor, DSSResources.COM Individuals have predictable thinking patterns. Some patterns are positive and others lead to poor choic...	Building DSS	Jan 10, 2019

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