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WebFlix maintains customer data in a 2D-array called WF. Where the rows correspond to the customers and the columns correspond to films that it rents. An entry WF[i,j] indicates the number of times a customer has rented a film.WebFlix wants to find subsets of customers who have never rented the same film. (i.e. they share no entries WF[i,j] ≥ 1). WebFlix calls these Distinct Customer Subsets. We define the Distinct Customer Subset problem as follows: Given a c by f (customers by films) array of customers and films and a number k ≤ c, is there a subset of at least k customers that is distinct?
Is the Distinct Customer Subset problem NP? Why or why not?
Is the Distinct Customer Subset problem NP-complete? If NP-complete show a polynomial-time reduction.
One of the main benefits of utilizing business intelligence software is that it gives you information needed to run your business. Being able to look at what happened in the past can give management insight into what will probably happen in the futur..
An Internet phone application generates packets
Create a four-function fraction calculator. Here are the formulas for the four arithmetic operations applied to fractions.
So far we have been concerned with measuring performance of classifiers. I.e. systems which forecasts nominal variables. Describe about systems which make numeric predictions?
This paper is centered around some results obtained from the Human and Nature Dynamics (HANDY) model. This model is equation 3 in their paper.
Employees may work from home up to 15 hours per week. Each project leader needs a list of current means of contacting each member of the project team: home phone and home FAX number. To contact employees "on the road" the project leaders also need..
How do we provide documentation to the user? How do we use JavaDoc to generate user documentation in a standard form? How do we bundle all of our application class files and deliver something to the user that is executable?
What decimal floating point number does this IEEE 754 single precision number represent: 0x47C0_E6B7?
Which of the following addresses are not allowed on the internet?
Simulate tossing a coin 10,000 times and record how many tails and heads you get. Make two runs as with the dice. Again accumulate the number of heads and tails in an array. Your for loops would go from 0 to 1.
Find the values of A and B such that error is minimized. What power of h is the error proportional to?
Discuss the importance of top management commitment and the development of standards for successful project management. Provide examples to illustrate the importance of these items.
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