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arXiv research

A locally-built, LLM-digested index of recent arXiv papers in quant finance, geometry/topology, and statistical ML — keyword search served straight from SQLite on this machine.

169,051 papers · 148 categories

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0.6%1.3%1.9%2.5% · Feb 201919922001200920182026
48 results for NIPS 2018

Local explanations of DNNs are insensitive to parameter values.

problem Sensitivity of local explanations to DNN parameter values.
method Assessed sensitivity of local explanations to DNN parameter values.
result DNNs with randomly-initialized weights produce similar explanations to those with learned weights.

Neural Information Processing Systems (NIPS) is a top-tier annual conference in machine learning. The 2016 edition of the conference comprised more than 2,400 paper submissions, 3,000 reviewers, and 8,000 attendees. This represents a growth of nearly 40% in terms of submissions, 96% in terms of reviewers, and over 100%…

2017-08-31abs ↗pdf ↗

To accelerate research on adversarial examples and robustness of machine learning classifiers, Google Brain organized a NIPS 2017 competition that encouraged researchers to develop new methods to generate adversarial examples as well as to develop new ways to defend against them. In this chapter, we describe the struct…

2018-03-31abs ↗pdf ↗

Improved guarantees for sparse random embeddings with explicit bounds and empirical superiority.

problem Improving the explicitness and sharpness of guarantees for sparse random embeddings.
method Explicit bounds, tighter estimates for quadratic chaos, extreme properties of sparse linear forms, and improved bounds for sums of independent random variables.
result Significantly outperforms prior works on various real-world datasets.

Unified dynamic approach for sparse model selection improves efficiency and accuracy.

problem Sparse model selection challenges in various fields.
method Iterative regularization path using Mirror Descent or Linearized Bregman Iterations.
result Path consistency theory with no false positives and minimax optimal error rate.

Though CNNs have achieved the state-of-the-art performance on various vision tasks, they are vulnerable to adversarial examples --- crafted by adding human-imperceptible perturbations to clean images. However, most of the existing adversarial attacks only achieve relatively low success rates under the challenging black…

2018-03-19abs ↗pdf ↗

Notions of "fair classification" that have arisen in computer science generally revolve around equalizing certain statistics across protected groups. This approach has been criticized as ignoring societal issues, including how errors can hurt certain groups disproportionately. We pose a modification of one of the fairn…

2018-06-24abs ↗pdf ↗

Study no-arbitrage conditions in 1D diffusion markets with interest rates.

problem Determining no-arbitrage conditions in 1D diffusion markets with interest rates.
method Established deterministic criteria for no-arbitrage notions in terms of scale function and speed measure.
result Revealed various effects, e.g., NIP not excluded by reflecting boundaries.

Neural Index Policy for multi-action bandits with heterogeneous budgets.

problem Real-world settings often involve multiple interventions with heterogeneous costs and constraints, breaking classical assumptions.
method Introduces a Neural Index Policy (NIP) that learns to assign budget-aware indices to arm-action pairs using a neural network and differentiable knapsack layer.
result Empirically achieves near-optimal performance while strictly enforcing heterogeneous budgets and scaling to hundreds of arms.

New research shows many recent defenses against adversarial examples are ineffective against black-box attacks.

problem The robustness of recent defenses against adversarial examples is insufficient, especially against black-box attacks.
method Evaluation of nine defenses on two black-box adversarial models and six attacks on CIFAR-10 and Fashion-MNIST datasets.
result Most recent defenses provide only marginal improvements in security (<25%<25\%) compared to undefended networks.

New algorithm finds optimal policy with polynomial trajectories in deterministic systems.

problem Finding optimal policy in deterministic systems with function approximation.
method Novel recursion-based algorithm with tight bounds on error and sample complexity.
result Optimal policy found using O(dimE)O(\dim_E) trajectories with $δ= O\left(ρ/\sqrt{\dim_E} ight)$.

Stein variational gradient descent (SVGD) was recently proposed as a general purpose nonparametric variational inference algorithm [Liu & Wang, NIPS 2016]: it minimizes the Kullback-Leibler divergence between the target distribution and its approximation by implementing a form of functional gradient descent on a reprod…

2018-06-08abs ↗pdf ↗

In this paper, we propose a novel approach to automatically determine the batch size in stochastic gradient descent methods. The choice of the batch size induces a trade-off between the accuracy of the gradient estimate and the cost in terms of samples of each update. We propose to determine the batch size by optimizin…

2017-12-09abs ↗pdf ↗

FOLKLORE algorithm speeds up online multiclass logistic regression.

problem Efficiently solving online multiclass logistic regression without high computational cost.
method Developed FOLKLORE algorithm with improved runtime and regret bound.
result First practical algorithm for online multiclass logistic regression.

99% of papers use real-world data, but only 3% provide formal comparisons.

problem Lack of complete argumentative chains in demonstrating algorithmic effectiveness in machine learning papers.
method Systematic review of NeurIPS papers from 2017, assessing completeness of argumentative steps.
result Only 3% of papers provide formal comparisons, indicating incomplete argumentative chains.

Bayesian approach models policy distribution for faster exploration and transfer learning.

problem Challenges in exploration and adaptation to new tasks in transfer learning.
method Modeling a distribution over policies in a Bayesian deep reinforcement learning setup.
result Favorable experimental results on GridWorld and MiniGrid environments.

Deep reinforcement learning improves forex trading by handling complex, random processes.

problem Stable trends in deep learning predictions for forex trading.
method Used reinforcement learning, optimized Sure-Fire policy, encoded price data, compared DQN and PPO.
result Models achieved favorable investment performance, validating reinforcement learning feasibility.

Study tackles discretization problem in crafting adversarial examples for discrete integer domains.

problem Discretization problem in crafting adversarial examples for discrete integer domains.
method Proposes a black-box method to reduce adversarial example searching to a derivative-free optimization problem.
result Significantly higher success rate in crafting adversarial images in discrete integer domain compared to black-box methods.

Paper derives a fast learning rate for deep neural networks without scale invariant activation functions.

problem Analyzing the impact of non-scale invariant activation functions on deep learning performance.
method Using Suzuki (2018) framework, derived a tight generalization error bound for deep neural networks with non-scale invariant activations.
result Without scale invariance of activation functions, deep learning can still achieve a fast learning rate.

Improved path-length regret bounds for adaptive and oblivious adversaries.

problem Adaptive and oblivious adversaries in multi-armed bandit and linear bandit problems.
method Developed two new algorithms based on optimistic mirror descent framework with novel techniques.
result Strictly improved path-length bounds for adaptive adversary and better results for oblivious adversary.

New interpolation methods outperform Gaussian smoothing in derivative-free optimization.

problem Optimizing functions with noisy evaluations and no derivative information.
method First-order line search methods using linear interpolation vs. Gaussian smoothing.
result Linear interpolation yields better convergence rates and performance.

Study analyzes Airbnb booking lead times during global crises using a new metric.

problem Disruptions in booking behaviors during global crises affect forecasting accuracy.
method Normalized L1 (Manhattan) distance to assess lead time divergences.
result Identified two-phase disruption: abrupt change at pandemic onset followed by partial recovery.