If using a mining analogy, “knowledge mining” would be a more appropriate term than
“data mining.”
A person’s decision performance and level of knowledge are typical criteria that
determine their level of expertise in a particular subject.
The linguistic approach to speech handles processes elements such as intensity, pitch
and jitter from speech recorded on audio.
In the Cabela’s case study, the SAS/Teradata solution enabled the direct marketer to
better identify likely customers and market to them based mostly on external data
sources.
The dashboard for the WebFOCUS BI platform in the Travel and Transport case study
required client side software to operate.
In the Army expertise transfer system case, text mining was used to extract transcribed
textual knowledge extracted from interviewed experts.
When using Excel’s Solver, we can have multiple constraints and multiple objective
cells.
Determining the duration of the simulation occurs before the model is validated and
tested.
Since little can be done about visitor Web site abandonment rates, organizations have to
focus their efforts on increasing the number of new visitors.
Since a descriptive model checks the performance of the system for only a subset of all
possible alternatives, there is no guarantee that a selected alternative will be optimal.
Qualitative elements of a problem cannot be incorporated into formal decision models,
so one can only seek to minimize their impact.
Another name for result variables is independent variables.
In the Starwood Hotels case, up-to-date data and faster reporting helped hotel managers
better manage their occupancy rates.
From massive amounts of high-dimensional location data, algorithms that reduce the
dimensionality of the data can be used to uncover trends, meaning, and relationships to
eventually produce human-understandable representations.
Unlike human experts, expert systems do not need to explain their views,
recommendations, or decisions.
Detecting lies from text transcripts of conversations is a future goal of text mining as
current systems achieve only 50% accuracy of detection.
For low latency, interactive reports, a data warehouse is preferable to Hadoop.
Web crawlers or spiders collect information from Web pages in an automated or
semi-automated way. Only the text of Web pages is collected by crawlers.
Once validated, the knowledge acquired from experts or induced from a set of data
must be represented in a format that does not need to be understandable by humans but
must be executable on computers.
The term decision support system is a very specific term that implies the same tool,
system, and development approach to most developers.
While most first-generation Expert Systems (ES) use if-then rules to represent and store
their knowledge, second-generation ES are more flexible in adopting multiple
knowledge representation and reasoning methods.
In the 2degrees case study, the main effectiveness of the new analytics system was in
dissuading potential churners from leaving the company.
In the Canadian pandemic case study, the macro-level simulation modeled aggregates of
a population that might experience a pandemic.
For DSS, why are semistructured or unstructured decisions the main focus of support?
A) There are many more unstructured and semistructured decisions than structured in
organizations.
B) MIS staff prefer to work on solving unstructured and semistructured decisions.
C) Unstructured and semistructured decisions are the easiest to solve.
D) They include human judgment, which is incorporated into DSS.
Most data warehouses are built using ________ database management systems to
control and manage the data.
Which data warehouse architecture uses a normalized relational warehouse that feeds
multiple data marts?
A) independent data marts architecture
B) centralized data warehouse architecture
C) hub-and-spoke data warehouse architecture
D) federated architecture
Which type of visualization tool can be very helpful when a data set contains location
data?
A) bar chart
B) geographic map
C) highlight table
D) tree map
Which is an example of declarative knowledge?
A) what new part is appropriate to fix a faulty car
B) how to install a new part in a faulty car
C) when to install a new part in a faulty car
D) why a new part fixes a faulty car
Which approach to knowledge management capitalizes on tacit knowledge and requires
heavy IT investment?
A) the practice approach
B) the IT approach
C) the systems approach
D) the process approach
When new analytics applications are introduced and affect multiple related processes
and departments, the organization is best served by utilizing
A) business flow management.
B) multi-department analysis.
C) process flow analysis.
D) business process reengineering.
In the investment bank case study, the major benefit brought about by the supplanting
of multiple databases by the new trade operational store was providing real-time access
to trading data.
Which category of expert systems that includes weather forecasting and
economic/financial forecasting?
A) diagnostic ES
B) planning ES
C) instruction ES
D) prediction ES
Active data warehousing can be used to support the highest level of decision making
sophistication and power. The major feature that enables this in relation to handling the
data is
A) country of (data) origin.
B) nature of the data.
C) speed of data transfer.
D) source of the data.
Search engine optimization (SEO) is a means by which
A) Web site developers can negotiate better deals for paid ads.
B) Web site developers can increase Web site search rankings.
C) Web site developers index their Web sites for search engines.
D) Web site developers optimize the artistic features of their Web sites.
The question “What will total earnings be if we reduce our inventory stocking costs by
10%?” is a type of
A) goal-seeking analysis.
B) what-if analysis.
C) sensitivity analysis.
D) utility modeling.
Breaking up a Web page into its components to identify worthy words/terms and
indexing them using a set of rules is called
A) preprocessing the documents.
B) document analysis.
C) creating the term-by-document matrix.
D) parsing the documents.
The EHR (electronic health record) system dynamics modeling example showed that
A) e-notes negatively affect radiology performance.
B) increased electronic note-taking negatively affects compliance.
C) adverse drug events help to decrease patient time.
D) increased staff training results in increased electronic prescriptions.
In text mining, stemming is the process of
A) categorizing a block of text in a sentence.
B) reducing multiple words to their base or root.
C) transforming the term-by-document matrix to a manageable size.
D) creating new branches or stems of recorded paragraphs.
All of the following are true about external reports between businesses and the
government EXCEPT
A) they can include tax and compliance reporting.
B) they can be filed nationally or internationally.
C) they are standardized for the most part to reduce the regulatory burden.
D) their primary focus is government.
Decision trees are best suited to solve what types of problems?
A) problems with a large number of alternatives
B) problems with a tabular representation
C) problems where probabilities are unknown
D) problems with a single goal
Which approach is most suited to complex problems with significant uncertainty, a need
for experimentation, and time compression?
A) simulation
B) genetic algorithms
C) optimization
D) human intuition
Which of the following statements about the end-of-chapter CARE International case
study is true?
A) CARE ran its own shipping operation with vehicles that needed route optimization.
B) CARE used a linear programming model for optimization.
C) CARE’s objective was to respond to natural disasters faster.
D) CARE set out to exclusively use international suppliers with large capacity to better
serve people affected by disasters.
During which stage of the KMS cycle are human insights captured together with
explicit facts?
A) the managing knowledge stage
B) the disseminating knowledge stage
C) the refining knowledge stage
D) the storing knowledge stage
For the majority of organizations, a daily accounts receivable transaction is a(n)
A) strategic decision.
B) structured decision.
C) unstructured decision.
D) managerial control decision.
For how long do SVM models continue to be accurate and actionable?
A) for as long as the developers stay with the firm
B) for as long as management support continues to exist for the project
C) for as long as you choose to use them
D) for as long as the behavior of the domain stays the same
The model management subsystem provides the system’s analytical capabilities and
appropriate software management. Which of the following is NOT an element of the
model management subsystem?
A) model base
B) MBMS
C) DBMS
D) model execution, integration, and command processor
Today, most smartphones are equipped with various instruments to measure jerk,
orientation, and sense motion. One of these instruments is an accelerometer, and the
other is a(n)
A) potentiometer.
B) gyroscope.
C) microscope.
D) oscilloscope.
When an Accounts Payable department improves their information system resulting in
faster payments to vendors, without the Accounts Receivable Department doing the
same, leading to a cash flow crunch, what can we say happened in decision-theoretic
terms?
A) optimization
B) profit minimization
C) suboptimization
D) cash flow problems
Inputs to speech analytics include all of the following EXCEPT
A) written transcripts of calls to service centers.
B) recorded conversations of customer call-ins.
C) live customer interactions with service representatives.
D) videos of customer focus groups.
In the Discovery Health insurance case study, the analytics application used available
data to help the company do all of the following EXCEPT
A) predict customer health.
B) detect fraud.
C) lower costs for members.
D) open its own pharmacy.
Dashboards can be presented at all the following levels EXCEPT
A) the visual dashboard level.
B) the static report level.
C) the visual cube level.
D) the self-service cube level.
Linear programming belongs to a family of tools called
A) decision tree models.
B) qualitative models.
C) mathematical programming models.
D) heuristic programming models.
When using support vector machines, in which stage do you transform the data?
A) preprocessing the data
B) developing the model
C) experimentation
D) deploying the model
Sentiment analysis has many names. Which other names is it often known by?
In decision-making, fixed factors that affect the result variables but are not manipulated
by decision maker are called ________ variables.
________ charts are useful in displaying nominal data or numerical data that splits
nicely
into different categories so you can quickly see comparative results and trends.
There are only a few categories of business report: informal, ________, and short.
________, also called homonyms, are syntactically identical words with different
meanings.
As the size and the complexity of analytical systems increase, the need for more
________ analytical systems is also increasing to obtain the best performance.
A research study found that employees using ADS systems were more ________ with
their jobs.
In ________, a classification method, the complete data set is randomly split into
mutually exclusive subsets of approximately equal size and tested multiple times on
each left-out subset, using the others as a training set.
Online ________ is arguably the most commonly used data analysis technique in data
warehouses.
Within the context of speech analytics, what does the linguistic approach focus on?
________ is a knowledge transfer system developed by the Spears School of Business
at Oklahoma State University designed to capture the knowledge of experienced
ammunition personnel leaving the Army.
Name and briefly describe four of the most popular commercial software tools used for
text mining.
________ blocks in the Corvid ES determine(s) how the system interacts with the user,
including the order of execution and the user interface.
Heuristic programming is the process of using heuristics in problem solving. This is
done via heuristic search methods. Give a brief definition of the term heuristics.
________ represent the labels of multiple classes used to divide a variable into specific
groups, examples of which include race, sex, age group, and educational level.
Online ________ is a term used for a transaction system that is primarily responsible
for capturing and storing data related to day-to-day business functions such as ERP,
CRM, SCM, and point of sale.
The student retention case study shows that, given sufficient data with the proper
variables, data mining techniques are capable of predicting freshman student attrition
with approximately ________ percent accuracy.
What is the difference between white hat and black hat SEO activities?