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1223 · Feb 202019922001200920172026
16 results for ADL

The paper proves ADL mechanisms face a trilemma and optimizes them for fairness, revenue, and exchange solvency.

problem The impossibility of a perpetual futures exchange achieving solvency, revenue, and fairness.
method Formal model of ADL, proving trilemma, and analyzing three ADL mechanisms.
result Optimized ADL mechanisms can reduce trader losses while maintaining exchange solvency.

This paper formalizes autodeleveraging as online learning, providing robustness results and algorithms for better performance.

problem Autodeleveraging as a mechanism to restore solvency in perpetual futures markets when liquidation and insurance buffers are insufficient.
method Formalizes autodeleveraging as online learning on a PNL-haircut domain, using an algorithm to recover solvency.
result The optimized algorithm achieves about 2.6% of an upper bound on regret, reducing overshoot to $3M.

Optimizes cryptocurrency exchanges' risk management by reducing positions based on leverage.

problem Managing risk in cryptocurrency futures exchanges during large price moves.
method Formulates ADL as an optimization problem to minimize risk of loss, using a water-filling rule to equalize leverage.
result The optimal ADL policy minimizes maximum leverage among participants, providing a transparent and implementable benchmark.

Pre-trained model from healthy ADLs improves gait pattern classification for Parkinson's disease.

problem Limited training data for deep learning models in healthcare applications.
method Used convolutional autoencoder to extract features from healthy ADLs data and trained a multi-layer perceptron model for Parkinson's disease classification.
result Features extracted from healthy ADLs data can be used to train an effective classification model for Parkinson's disease.

This paper introduces a novel online inference method for high-dimensional GLMs.

problem Real-time analysis of sequentially collected data in high-dimensional settings.
method Adaptive stochastic gradient descent with online debiasing for dynamic objective functions.
result Established the asymptotic normality of the Adaptive Debiased Lasso (ADL) estimator.

Data annotation is an essential stage in supervised learning. However, the annotation process is exhaustive and time consuming, specially for large datasets. Activities of Daily Living (ADL) recognition is an example of systems that exploit very large raw sensor data readings. In such systems, sensor readings are colle…

2020-02-17abs ↗pdf ↗

Adaptive Langevin dynamics reduces bias in Bayesian inference with mini-batching.

problem Bias in posterior sampling due to mini-batching in Bayesian inference.
method Adaptive Langevin dynamics with dynamical friction to correct noise.
result Quantified bias in posterior distribution due to mini-batching.

mmFall detects falls using mmWave radar and a hybrid VRAE, achieving high accuracy.

problem Detecting falls accurately and privately using mmWave radar.
method Uses mmWave radar for body point cloud and centroid, combined with a hybrid VRAE for anomaly detection.
result Achieves 98% fall detection with 2 false alarms out of 50 falls.