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Broadly, there are two types of knowledge, shallow and deep. Shallow knowledge is simply what makes up a computer's response. If we can retrieve any
Broadly, there are two types of knowledge, shallow and deep. Shallow knowledge
is simply what makes up a computer's response. If we can retrieve any answer by
framing a data query using SQL from an existing database system eg JCU
student database system the output result retrieved will constitute shallow
knowledge about the data. For example, we may learn that Australian Stock
Exchange generally follows the lead of Wall Street, but we wouldn't necessarily
know why. Deep knowledge is the underlying reason behind such relationships.
Deep knowledge can be extracted using different machine learning techniques.
Data query is about searching in the data when we know exactly what we are
looking for. Example are:
A list of customers who used MasterCard to buy medicine from a pharmacy.
A list of employees who will reach retiring age next year.
These are all in the domain of shallow knowledge, which can easily be obtained by
simple data queries using, for instance, SQL By contrast, let us consider the
following examples:
Develop a profile of MasterCard holders who will take advantage of the
forthcoming sale promotion at the pharmacy
Develop a list of employees who are likely to avail themselves of the voluntary
early retirement scheme when they reach retirement age.
These are examples of deep knowledge whose answers cannot be obtained from
data queries, although machine learning techniques can unveil the information.
Identify whether each of the following is a data query or a machine learning
tasks:
a A social worker is interested in learning about the proportion of males to
females in the population of a particular region.
B a stock market analyst
c do single men play more golfe then married men
d determine the charecteristic of a succesful car salesperson
e determine weather credit card a credit card transaction is valid or fraudulent
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