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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.

169,291 papers · 148 categories

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6111722 · Jan 201919922001200920182026
48 results for ICASSP 2017

State-of-the-art speaker recognition relays on models that need a large amount of training data. This models are successful in tasks like NIST SRE because there is sufficient data available. However, in real applications, we usually do not have so much data and, in many cases, the speaker labels are unknown. We present…

2015-11-20abs ↗pdf ↗

NetRCA algorithm locates network faults by analyzing derived features and leveraging unlabeled data.

problem Locating the true root cause of network faults is challenging due to complex architectures and limited labeled data.
method NetRCA algorithm extracts derived features, generates new training data, and combines multiple models to enhance performance.
result NetRCA outperforms existing methods in fault cause localization on real-world data.

Convolutional neural networks win SemEval-2017 for scientific relation extraction.

problem Extracting relations between scientific concepts from scholarly articles.
method Convolutional neural network model for relation extraction.
result Ranked first in SemEval-2017 Task 10 for relation extraction in scientific articles.

Study shows changes in information sharing between Bitcoin markets during 2017 crash.

problem Understanding information dynamics in Bitcoin markets during the 2017 crash.
method Analysis of high-frequency market-microstructure observables using information theoretic measures.
result Temporal changes in information sharing across markets, including predictability, memory, and synchronous coupling.

ES and FD gradients converge as optimization dimension grows.

problem Understanding the relationship between Evolution Strategies and Finite Differences gradients.
method Analyzing the convergence of gradients as the optimization dimension increases.
result ES and FD gradients converge as the dimension of the vector under optimization increases.

Recently, it was demonstrated in [CS2012,CS2013] that the robustness of the classical Non-Local Means (NLM) algorithm [BCM2005] can be improved by incorporating p(0<p2)\ell^p (0 < p \leq 2) regression into the NLM framework. This general optimization framework, called Non-Local Patch Regression (NLPR), contains NLM as a spe…

2013-03-02abs ↗pdf ↗

Two algorithms find local minima faster in finite-sum and general stochastic optimization.

problem Finding local minima in finite-sum and general stochastic nonconvex optimization.
method Stochastic Nested Variance Reduction (SNVRG) + Neon2.
result Achieves better gradient complexity for convergence to (ε,εH)(ε, ε_H)-second-order stationary points.

Stable ResNet stabilizes gradients in deep networks.

problem Gradient vanishing and exploding in deep ResNet architectures.
method Introducing Stable ResNet architectures with gradient stabilization and infinite depth expressivity.
result Stable ResNet maintains gradient stability and expressivity in deep networks.

Forecast predicts US recession in 2017, global economic slowdown, and eventual growth.

problem Short-term economic forecast and potential recession in developed countries.
method Analysis of log-periodic oscillations in DJIA dynamics and historical economic cycles.
result Predicts a recession in the second half of 2017 for developed countries.

Directly analyzes SGLD hitting times for stationary points, providing tighter bounds.

problem Analyzing the hitting time of SGLD to stationary points.
method Direct analysis using linear algebra and probability theory, avoiding complex Cheeger's constant bounds.
result Tighter bounds on hitting times compared to previous work, showing dimension-independent behavior under suitable conditions.

New estimator stabilizes higher-order influence functions for stable statistical inference.

problem Numerical instability in estimating inverse population Gram matrix.
method Proposes a new stabilized higher-order estimator without sample splitting.
result Stabilized estimator exhibits more stable performance and similar statistical guarantees.

New estimator stabilizes higher-order influence functions for bilinear forms.

problem Stability issues in estimating bilinear forms using higher-order influence functions.
method Proposes a new stabilized higher-order estimator for a class of bilinear forms without sample splitting.
result New estimator exhibits more stable finite-sample performance compared to the empirical higher-order estimator.

State-of-the-art Twitter sentiment analysis using CNNs and LSTMs.

problem Improving Twitter sentiment classification accuracy.
method Pre-trained word embeddings, distant supervision, fine-tuning, ensemble of CNNs and LSTMs.
result First rank on all five English subtasks of SemEval-2017.

The Dynamic Pricing Challenge revealed varying algorithm performance across different market dynamics.

problem Complexity of pricing and learning in competitive markets.
method Participants submitted pricing and demand learning algorithms for numerical performance analysis in simulated environments.
result Algorithm performance varies significantly across different market dynamics.

New insights into neural network initialization and activation functions improve deep learning performance.

problem Inappropriate initialization and activation function selection can hinder deep neural network training.
method Theoretical analysis and quantitative results on weight initialization and activation functions.
result Random initialization at the edge of chaos improves information propagation in deep neural networks.

Iterated Amplification uses subproblem solutions to build training signals for complex tasks.

problem Learning complex tasks when humans can't directly evaluate performance.
method Progressively builds training signal by combining solutions to easier subproblems.
result Efficiently learns complex behaviors in algorithmic environments.

This work generalizes a formula linking Seiberg-Witten prepotential and topological recursion.

problem Analyzing the relationship between Seiberg-Witten curves and topological recursion.
method Analytical approach using Seiberg-Witten family of curves.
result A generalized formula relating Seiberg-Witten prepotential to the genus zero part of topological recursion on a Seiberg-Witten curve.

Study on distributions of realized and implied volatility, using Generalized Beta distribution.

problem Understanding the differences and relationships between realized and implied volatility distributions.
method Used Generalized Beta distribution to fit distributions of realized variance and implied volatility (VIX, VXO). Analyzed differences and correlations.
result Generalized Beta distribution provides the best fit for realized variance but not for implied volatility indices (VIX, VXO).

LR models are shown to represent and be represented by LG processes, with key properties facilitating interest rate consistency and long-term risk factorization.

problem Understanding the relationship between linearity-generating and linear-rational models.
method Comparing and contrasting LG and LR models, showing mutual representation and identifying key properties.
result LR models can represent and be represented by LG processes, with specific properties facilitating interest rate consistency and long-term risk factorization.

The paper extends ERP framework to non-monotonic payoffs and short selling bans.

problem Valuation of contingent claims with short selling bans under ERP framework.
method Unified framework for ERP pricing, extending to non-monotonic payoffs, and comparing with Black-Scholes.
result Equal-risk prices differ from Black-Scholes prices under short selling bans.

The DAO Report led to a significant shift of ICO activity to Europe.

problem The impact of U.S. regulatory changes on global ICO activity.
method Analysis of a global dataset of ICOs from 2014 to 2021, focusing on the DAO Report's effects.
result A substantial and persistent reallocation of ICO activity to Europe following the DAO Report.