Towards adaptive anomaly detection in cellular mobile networks
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Bibliographic record
Abstract
Location information is an important feature of users' mobility profile in cellular mobile networks. In this paper, continuing our existing work on constructing a mobility-based anomaly detection scheme, we further address a challenging problem - how to adaptively adjust the detection threshold of Intrusion Detection Systems (IDSs) in the context of cellular mobile networks. This is especially critical when we consider the different mobility patterns demonstrated by the mobile users. Utilizing a high order Markov model, we apply a weighted blending scheme to compute the entropy of our Exponentially Weighted Moving Average (EWMA) based mobility trie. This reflection of the uncertainness of the users' normal profile could help us adaptively adjust the detection threshold of our anomaly detection algorithm. Simulation results show that our proposed adaptive mechanisms can further reduce the false positive rate without decreasing the detection rate. Detailed analysis of the simulation results is also provided.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it