User profiles for Yunxiang Liu

Yunxiang Liu

Research Scientist at Meta (aka Facebook)
Verified email at meta.com
Cited by 201

Prediction of road traffic congestion based on random forest

Y Liu, H Wu - … on Computational Intelligence and Design (ISCID …, 2017 - ieeexplore.ieee.org
With the process of urban modernization becoming faster and faster, there are more and
more vehicles in the city, and the situation of urban traffic congestion is becoming more and …

Automatic detection of ionospheric scintillation-like GNSS satellite oscillator anomaly using a machine-learning algorithm

Y Liu, YJ Morton - NAVIGATION: Journal of the Institute of Navigation, 2020 - navi.ion.org
In this paper, we propose a machine-learning-based approach to automatically detect a
satellite oscillator anomaly. A major challenge is to differentiate an oscillator anomaly from …

Application of neural network to GNSS-R wind speed retrieval

Y Liu, I Collett, YJ Morton - IEEE Transactions on Geoscience …, 2019 - ieeexplore.ieee.org
This paper applies a machine learning (ML) algorithm based on the multi-hidden layer
neural network (MHL-NN) for ocean surface wind speed estimation using global navigation …

Topology optimization design for offshore platform jacket structure

X Tian, Q Wang, G Liu, Y Liu, Y Xie, W Deng - Applied Ocean Research, 2019 - Elsevier
Offshore jacket platform is widely used as production or oil recovering platform in the shallow
sea, and is also applied to the offshore wind turbine supporting structure in the recent years…

Parameter optimization of the SVM for big data

Y Liu, J Du - … on Computational Intelligence and Design (ISCID), 2015 - ieeexplore.ieee.org
Wide-range traversal algorithms and some intelligent iterative algorithms are applied to the
traditional SVM parameter optimization, causing much time consumption. They are not …

ML prediction of global ionospheric TEC maps

L Liu, YJ Morton, Y Liu - Space Weather, 2022 - Wiley Online Library
This paper applies the convolutional long short‐term memory (convLSTM)‐based machine
learning models to forecast global ionospheric total electron content (TEC) maps with up to …

A dynamic web service selection strategy with QoS global optimization based on multi-objective genetic algorithm

S Liu, Y Liu, N Jing, G Tang, Y Tang - International Conference on Grid …, 2005 - Springer
Web Service selection is an important issue in dynamic Web Service composition. The existing
approaches are QoS local optimization based. They cannot achieve global constraints …

Determination of 19 anthelmintics in environmental water and sediment using an optimized PLE and SPE method coupled with UHPLC-MS/MS

Y Li, Z Gan, Y Liu, S Chen, S Su, S Ding… - Science of the total …, 2020 - Elsevier
A sensitive quantification method using pressurized liquid extraction (PLE) and solid phase
extraction (SPE) coupled with ultra-high performance liquid chromatography-tandem mass …

Design of efficient speech emotion recognition based on multi task learning

L Yunxiang, Z Kexin - IEEE Access, 2023 - ieeexplore.ieee.org
Speech emotion recognition technology includes feature extraction and classifier construction.
However, the recognition efficiency is reduced due to noise interference and gender …

Morphological variation, genetic differentiation and phylogeography of the East Asia cicada Hyalessa maculaticollis (Hemiptera: Cicadidae)

Y Liu, YUE Qiu, XU Wang, H Yang… - Systematic …, 2018 - Wiley Online Library
The cicada Hyalessa maculaticollis is widely distributed in East Asia, and is noted for its
great morphological variability. The variation in this species and its allies has been a long‐…