MIS CH9 – Flashcards
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data warehouse
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a facility for managing an organization's BI data. Functions are to: obtain data, cleanse data, organize& relate data, and catalog data
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data mart
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a data collection, smaller than a data warehouse, that addresses the needs of a particular department or functional area of the business
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granularity
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the level of detail in data.
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reporting
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goal of _______: create information about past performance
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exception reports
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are reports produced when something out of predefined bounds occur
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static reports
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are BI documents that are fixed at the time of creation and do not change
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dynamic reports
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are BI documents that are updated at the time they are released
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data mining
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the application of statistical techniques to find patterns and relationships among data for classification and prediction
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unsupervised data mining
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-analysts do not create a model or hypothesis before running the analysis - uses cluster analysis
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cluster analysis
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statistical techniques identify groups of entities that have similar characteristics. A common use for this is to find groups of similar customers from customer order and demographic data
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supervised data mining
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data miners develop a model prior to the analysis and apply statistical techniques to data to estimate parameters of the model -uses regression analysis
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regression analysis
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a type of supervised data mining that estimates the values of parameters in a linear equation; used to determine the relative influences of variables on an outcome and also to predict future values of that outcome
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characteristics of Big Data
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volume, velocity, and variety force use of Map Reduce techniques. Some applications use reporting and data mining as well
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Hadoop
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-open source program supported by Apache Foundation2 -manages thousands of computers -implements Map Reduce (written in Java) -Pig: query language -deep technical skills are needed to run and use Hadoop
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Business intelligence systems analyze an organization's past performance to make predictions
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Which of the following statements is true of business intelligence (BI) systems? a. Business intelligence systems analyze an organization's past performance to make predictions. b. Business intelligence systems are primarily used for developing software systems and data mining applications. c. The software component of a business intelligence system is called an intelligence database. d. The four standard components of business intelligence systems are software, procedures, applications, and programs.
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data warehouse
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A ________ is a facility for managing an organization's business intelligence data. a. data warehouse b. data room c. datasheet d. data space
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granularity
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________ refers to the level of detail represented by data. a. Aggregation b. Granularity c. Abstraction d. Dimensionality
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data warehouse
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Users in a data mart obtain data that pertain to a particular business function from a ________. a. data room b. data center c. data warehouse d. datasheet
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reporting
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The goal of ________, a type of business intelligence analysis, is to create information about past performance. a. reporting b. data mining c. BigData d. push publishing
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data mining
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________ techniques emerged from the combined discipline of statistics, mathematics, artificial intelligence, and machine-learning. a. Data mining b. Pull publishing c. Push publishing d. Exception reporting
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cluster analysis
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________ is an unsupervised data mining technique in which statistical techniques identify groups of entities that have similar characteristics. a. Cloud computing b. Content indexing c. Cluster analysis d. Regression analysis
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supervised data mining
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In the case of ________, data miners develop models prior to conducting analyses and then apply statistical techniques to data to estimate parameters of the models. a. unsupervised data mining b. pull publishing techniques c. supervised data mining d. push publishing techniques
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hadoop
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________ is an open-source program supported by the Apache Foundation that manages thousands of computers and implements MapReduce. a. BigData b. Linux c. Apache Wave d. Hadoop
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static reports
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________ are business intelligence documents that are fixed at the time of creation and do not change. a. Static reports b. Third-party cookies c. Exception reports d. Subscriptions
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4 tasks used in business intelligence
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-project management -problem solving -deciding -informing
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inherent processes
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predesigned procedures for using software products; they solve organizations from expensive and time consuming business process reengineering
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functions of a BI server
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-a webserver application created for publishing of business intelligence -maintains metadata about authorized allocation of BI results to users. Serve tracks what results are available, what users are authorized to view those results, and provided results to authorized users. It adjusts allocations as available results change and users come and go
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