This semester we examined two common techniques for representing, organizing, retrieving, and filtering information:
As Bernhard Rieder observed, each of these techniques â€œimplies a particular way of doing thingsâ€ but can â€œbe applied to a wide array of domains.â€
For example, Boolean logic can be applied to classify and filter scientific articles, works of choreography, consumer products, or potential romantic partners, if one can come up with a way to represent these things as belonging to classes defined by necessary and suï¬ƒcient properties.
Likewise, Bayesian logic can be applied to these same domains and many others, if one can represent these things as having quantified properties suitable for training a statistical model. In either case, for any particular domain of application, there are â€œmany decisions to be made concerning the units to take into account, the parameters to specify, the tweaks to apply, the outputs to produce, and so forthâ€ (Rieder).
Forthis question, you will identify and describe two different applications of information classification and filtering. The first should be an application for which you believe Boolean logic to be the preferable technique, and the second should be an application for which you believe Bayesian logic to be the preferable technique.
For each of the two applications that you identify, you should:
filtering presented or used? The application may be purely hypothetical, or it may be based on a real application that you are aware of. See the next page for an example.
probabilities produced by the model could be used to classify and filter. Do not just give a
general explanation of how the technique worksâ€”instead focus on some of the specific decisions to be made for this particular application.
4.Finally, identify one potential problem with applying the technique in this way. What limitations might the technique impose, or what negative consequences might result? One more time: do not just identify general limitations or drawbacks of the techniqueâ€”instead describe a specific negative outcome that could result from using this technique for this particular application.
Example of a description of an application, like you might write for part 1 above (do not
use this example in your own answer):
The application is intended to help faculty at a large public university identify students who might struggle in their courses. The things being classified and filtered are students, as represented by their transcripts and other aspects of their student records. Specifically,students are classified as prepared or unprepared for particular courses. Faculty see these classifications on their course rosters. They can use this information to decide who will be allowed to register for the course, or to determine which students may need extra attention during the semester.
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