- Provides 5 k-anonymization method:
- Datafly
- Incognito
- Topdown Greedy
- Classic Mondrian
- Basic Mondrian
- OLA (Optimal Lattice Anonymization)
- Implements 3 anonymization metrics:
- Equivalent Class size metric (CAVG)
- Discernibility Metric (DM)
- Normalized Certainty Penalty (NCP)
- Implements 3 classification models:
- Random Forests
- Support Vector Machines
- K-Nearest Neighbors
- A dataset must comes with a .csv file contains features information and a hierarchy folder which contains predefined generalization hierarchies for its QID attributes.
this repo
│ anonymize.py
|
└───data
│ │
│ └───adult
│ │ adult.csv
│ └───hierarchies
│ │ adult_hierarchy_workclass.csv
│ │ ....
- Here is an example for a generalization hierarchy of the 'workclass' attribute from ADULT dataset, described in
adult_hierarchy_workclass.csv
, which is a csv file using ";" as delimiter
Private;Non-Government;*
Self-emp-not-inc;Non-Government;*
Self-emp-inc;Non-Government;*
Federal-gov;Government;*
Local-gov;Government;*
State-gov;Government;*
Without-pay;Unemployed;*
Never-worked;Unemployed;*
which describes this tree:
To anonymize dataset, run:
python anonymize.py --method=<model_type> --k=<k-anonymity> --dataset=<dataset_name>
- model_type: [mondrian | classic_mondrian | mondrian_ldiv | topdown | cluster | datafly]
- dataset_name: [adult | cahousing | cmc | mgm | informs | italia]
Results will be in results/{dataset}/{method}
folder
To run evaluation metrics on every combination of algorithms, datasets and value k, run:
python visualize.py
Results will be in demo/{metrics.png, metrics_ml.png}
Before anonymization | After anonymization with k = 2 |
---|---|
Evaluate anonymization using information loss metrics |
---|
Evaluate anonymization using classification models |
---|
- Basic Mondrian, Top-Down Greedy, Cluster-based (https://github.com/fhstp/k-AnonML)
- L-Diversity (https://github.com/Nuclearstar/K-Anonymity, https://github.com/qiyuangong/Mondrian_L_Diversity)
- Classic Mondrian (https://github.com/qiyuangong/Mondrian)
- Datafly Algorithm (https://github.com/nazilkbahar/python-datafly)
- Normalized Certainty Penalty from Utility-Based Anonymization for Privacy Preservation with Less Information Loss
- Discernibility, Average Equivalent Class Size from A Systematic Comparison and Evaluation of k-Anonymization Algorithms for Practitioners
- Privacy in a Mobile-Social World
- Code and idea based on k-Anonymity in Practice: How Generalisation and Suppression Affect Machine Learning Classifiers