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Compare three clustering algorithms in Weka.
For this comparison, you will need to use at least two different datasets.
Run the algorithms on the datasets, and use the visualization tools.
1. Description of the algorithms used.
2. Discussion of the clustering approaches, and the information that you might gain from doing this clustering.
3. Summary of the results.
4. Comparison between the algorithms used, in terms of what you think is interesting
Describe Database state in details? Database state: The actual data within the database at a particular moment in time is known as a database state.
Define query optimization. Query optimization refers to the process of search the lowest -cost method of evaluating a given query.
A use case diagram giving a pictorial overview of user requirements and brief use case descriptions. As the case study contains only an outline of a business scenario, you will als
Assume that you are responsible for selecting a new DBMS product for Sohar Hospital
The physical location of a record is determined by which mathematical formula that transforms a file key into a record location? The physical location of a record is determined
what are the reasons having variable length records
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Which product produces the relation that has attributes of R1 and R2 ? Cartesian product produce the relation which has attributes of R1 and R2
a) Distinguish between ‘database' and ‘Database Management Systems (DBMS)'. b) List and briefly describe five potential benefits of the database approach compared to conventio
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