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Question 1.
For sparse data, discuss why considering only the presence of non-zero values might give a more accurate view of the objects than considering the actual magnitudes of values. When would such an approach not be desirable?
Question 2.
Describe the change in the time complexity of K-means as the number of clusters to be found increases.
Question 3.
Discuss the advantages and disadvantages of treating clustering as an optimization problem. Among other factors, consider efficiency, non-determinism, and whether an optimization-based approach captures all types of clusterings that are of interest.
Question 4.
What is the time and space complexity of fuzzy c-means? Of SOM? How do these complexities compare to those of K-means?
Question 5.
Explain the difference between likelihood and probability.
Question 6.
Give an example of a set of clusters in which merging based on the closeness of clusters leads to a more natural set of clusters than merging based on the strength of connection (interconnectedness) of clusters.
You have been introduced to diagnosis coding this module/week and have seen how complex the process is.
Explain the difference between the binary and decimal counting system and why is binary used in computer science?
What do you think were the critical factors that fueled the need for IT governance? In what ways did ISO affect the standards for network security?
Norister Inc. is considering introducing a new product line. This will require the purchase of new fixed assets of $2.4 million.
This week we will be examining ethics and professional responsibility in the context of database security.
1. Describe the environment in which you feel the safest and why? 2. What concerns do you have? 3. What malicious software do you worry about the most? 4. What personal experiences have you had in protecting your computer?
compare and contrast two fundamental security design principles. Analyze how these principles and how they impact an organizations security posture.
Create the object-oriented design for system which maintains tracks of your CD and DVD collection. Prepare GUI which will create objects and give access to each object's processing methods.
Need vision and mission for a IT consulting startup company.
Describe a hypothetical situation in which a legitimate organization used spam in an effective and nonintrusive manner to promote a product or service.
Is architectural design a must or just one of choices for developing and design software system? If there is Conflict Serializability issue, how to handle it.
Consider the expansion for an ND string coordinate. Find the separate left-moving and right-moving pieces, construct the dual string coordinate, and verify that it is of DN type.
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