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How are neural networks different than Bayesian belief networks along the following dimensions: (1) inspect ability of knowledge, (2) need for probabilities acquired from "domain" experts, (3) need for data to train the system, and (4) ability of the system to make classifications based on input data. (Note: You may find it helpful to make a 2 × 4 table and include a short phrase or two in each cell.)
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Most of the artificial intelligence systems we discussed rely on some kind of knowledge representation, with the notable exception of neural networks. Where is the "knowledge" in a neural network stored?
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What is an "entity-relationship" diagram useful for, state briefly?
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- Pathology Interview Questions & Answers">
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Describe the main difference between the hypothesis-testing and hypothesis-generating approaches to data mining.
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What are process measures in outcomes research and why are they sometimes used in place of actual outcomes data?
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What advantage does a pathologist have over investigators in most other fields in carrying out outcomes or data-mining studies?
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Define "association rules" and describe their use in exploratory data mining.
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- Pathology Interview Questions & Answers">
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Outcomes research is often limited in the conclusions that can be drawn because of limitations in the data sources used for the studies. What are the most common data sources and what are their main limitations?
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Amyloid reacts with the Prussian blue stains.
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Amyloid reacts with the alcian blue stains.
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Amyloid reacts with the methyl violet stains.
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Amyloid reacts with the thioflavine –T stains.
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Amyloid reacts with the Congo red stains.
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Necrosis is a feature in leprosy.
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Necrosis is a feature in syphilis.
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Necrosis is a feature in actinomycosis.
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Anaphylaxis causes urticaria.
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Anaphylaxis is produced by Ig E antibody.
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Anaphylaxis causes degranulation of basophils and mast cells.
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Anaphylaxis causes eosinophilia.
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