Sure! Let’s break it down clearly:
1. Discrimination in Data Mining:
Meaning: Discrimination in data mining happens when the data analysis or models treat certain groups unfairly based on sensitive attributes like race, gender, religion, age, etc.
Example: A loan prediction model that denies loans more often to people from a particular ethnic group, even if their financial status is similar to others.
Causes: It can happen because:
The data itself is biased (historical prejudice).
The algorithms pick up hidden patterns that reflect discrimination.
The features used may indirectly encode sensitive information.
Solutions: Techniques like fairness-aware data mining, pre-processing the data to remove bias, in-processing algorithms that control discrimination, and post-processing to adjust the outputs.
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2. Discrimination in Data Warehousing:
Meaning: In data warehousing, discrimination is less about bias in predictions and more about how data is stored, accessed, or protected based on user groups.
Example: A company might limit access to certain data tables for specific users (e.g., HR can see salary data; marketing cannot).
Causes: Discrimination here is often intentional for reasons like privacy, security, and compliance, not bias.
Solutions:
Use of role-based access control (RBAC).
Proper data governance policies.
Maintaining audit trails to monitor and prevent misuse.
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In short:
In data mining, discrimination usually refers to unfair bias affecting decisions or predictions.
In data warehousing, discrimination usually refers to controlled data access for privacy and security.
Would you like a simple diagram or table summari
zing this too? It could help make it even clearer!
- Teacher: Admin User