CIS 270—App Dev II - Missouri State University

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23 Οκτ 2013 (πριν από 3 χρόνια και 9 μήνες)

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CIS 429

Chapter 9

Enabling the Organization


Decision Making

Decision Making


An organization may acquire and store vast
amounts of data and ______________


How can these data be used to make good
business decisions?


A _____ is an abstraction (simplification) of reality


An organization can use information to construct a
model for decision
-
making


Transaction Processing Systems


Online transaction processing (OLTP) captures and
stores basic transactional data


A transaction processing system (TPS) is the
system that serves ___________ tasks; for
example


Payroll system


Order
-
entry system


Online __________ processing (OLAP) is the
processing of information to create business
intelligence to support strategic decision making

Decision Support Systems


A decision _________ system (DSS) models
information to support managerial decision
-
making


Three quantitative models used by DSSs


What
-
if analysis


What happens to the output, IF various inputs are changed?


Often performed using ______________


Sensitivity analysis


How sensitive are the ________ to changes in the inputs?


Goal
-
seeking analysis


What inputs are necessary to achieve predetermined goals?


A _____ supplies the basic data used by a DSS

Executive Information Systems


An EIS is a DSS that supports top
-
level executive
decision
-
making


Capabilities of many EISs


Consolidation (___________ of information to complex
groupings)


Drill
-
down (acquiring more detailed information when
needed)


Slice
-
and
-
dice (viewing information from different
perspectives)


Digital dashboards


EIS that integrates information from multiple sources,
_________ to the individual preferences of executives

Artificial Intelligence (AI)


Artificial intelligence is HW and SW that simulates
_______ intelligence to solve problems


An AI system is a commercial application of
artificial intelligence; types of AI systems are


Expert systems (imitate the reasoning of an expert)


Neural networks (imitate the working of the human
______ by detecting patterns in data or using fuzzy
logic)


Genetic algorithms (imitates evolutionary, survival of
the fittest processes)


Intelligent ______ (a special
-
purpose knowledge
-
based
system that performs specific task for a user)

Data Mining


Wal
-
Mart applies to point
-
of
-
______ (POS) data to
create business intelligence resulting in highly
accurate sales forecast by product and store.


Data mining uses existing data sets to create
___________, which are then applied to new data
sets.


Types of data mining analysis:


Cluster analysis
: divide data into __________ exclusive
groups that can then be treated differently


Association detection: degree to which variables are
related (e.g.,
market basket analysis
)


Statistical analysis: correlations, distributions, statistical
models (e.g., ___________ information for forecasting)