Search Results for author: Yuan Liao

Found 11 papers, 1 papers with code

Swarm of Robotic Aerial Base Stations for mmWave Multi-Hop Backhauling

no code implementations16 Dec 2023 Yuan Liao, Vasilis Friderikos, Halim Yanikomeroglu

Robotic aerial base stations (RABSs) that are able to anchor at tall urban landforms are expected to bring further flexibility to millimeter-wave (mmWave) multi-hop backhaul networks in highly dense urban environments.

Economic Forecasts Using Many Noises

no code implementations9 Dec 2023 Yuan Liao, Xinjie Ma, Andreas Neuhierl, Zhentao Shi

This paper addresses a key question in economic forecasting: does pure noise truly lack predictive power?

Dimensionality Reduction Variable Selection

Inference for Low-rank Models without Estimating the Rank

no code implementations28 Nov 2023 Jungjun Choi, Hyukjun Kwon, Yuan Liao

This paper studies the inference about linear functionals of high-dimensional low-rank matrices.

SGMM: Stochastic Approximation to Generalized Method of Moments

no code implementations25 Aug 2023 Xiaohong Chen, Sokbae Lee, Yuan Liao, Myung Hwan Seo, Youngki Shin, Myunghyun Song

We introduce a new class of algorithms, Stochastic Generalized Method of Moments (SGMM), for estimation and inference on (overidentified) moment restriction models.

Computational Efficiency

Inference on Time Series Nonparametric Conditional Moment Restrictions Using General Sieves

no code implementations31 Dec 2022 Xiaohong Chen, Yuan Liao, Weichen Wang

This paper considers general nonlinear sieve quasi-likelihood ratio (GN-QLR) based inference on expectation functionals of time series data, where the functionals of interest are based on some nonparametric function that satisfy conditional moment restrictions and are learned using multilayer neural networks.

Off-policy evaluation Time Series +1

Fast Inference for Quantile Regression with Tens of Millions of Observations

no code implementations29 Sep 2022 Sokbae Lee, Yuan Liao, Myung Hwan Seo, Youngki Shin

Big data analytics has opened new avenues in economic research, but the challenge of analyzing datasets with tens of millions of observations is substantial.

regression Time Series +1

Fast and Robust Online Inference with Stochastic Gradient Descent via Random Scaling

1 code implementation6 Jun 2021 Sokbae Lee, Yuan Liao, Myung Hwan Seo, Youngki Shin

We develop a new method of online inference for a vector of parameters estimated by the Polyak-Ruppert averaging procedure of stochastic gradient descent (SGD) algorithms.

Econometrics Time Series +1

Recent Developments on Factor Models and its Applications in Econometric Learning

no code implementations21 Sep 2020 Jianqing Fan, Kunpeng Li, Yuan Liao

This paper makes a selective survey on the recent development of the factor model and its application on statistical learnings.

Matrix Completion

Mutual Enhancement for Detection of Multiple Logos in Sports Videos

no code implementations ICCV 2017 Yuan Liao, Xiaoqing Lu, Chengcui Zhang, Yongtao Wang, Zhi Tang

Mutual enhancement is also included in our frame propagation mechanism that improves logo detection by utilizing the continuity of logos across frames.

object-detection Object Detection +1

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