Search Results for author: Xingyu Wu

Found 13 papers, 2 papers with code

CausalBench: A Comprehensive Benchmark for Causal Learning Capability of Large Language Models

no code implementations9 Apr 2024 Yu Zhou, Xingyu Wu, Beicheng Huang, Jibin Wu, Liang Feng, Kay Chen Tan

To address these challenges, this paper proposes a comprehensive benchmark, namely CausalBench, to evaluate the causality understanding capabilities of LLMs.

Reading Comprehension

Exploring the True Potential: Evaluating the Black-box Optimization Capability of Large Language Models

no code implementations9 Apr 2024 Beichen Huang, Xingyu Wu, Yu Zhou, Jibin Wu, Liang Feng, Ran Cheng, Kay Chen Tan

To the best of our knowledge, this work presents the first systematic evaluation of LLMs for numerical optimization, offering a progressive, wide-coverage, and behavioral analysis.

Evolutionary Computation in the Era of Large Language Model: Survey and Roadmap

no code implementations18 Jan 2024 Xingyu Wu, Sheng-hao Wu, Jibin Wu, Liang Feng, Kay Chen Tan

Large Language Models (LLMs) have not only revolutionized natural language processing but also extended their prowess to various domains, marking a significant stride towards artificial general intelligence.

Code Generation Evolutionary Algorithms +4

Large Language Model-Enhanced Algorithm Selection: Towards Comprehensive Algorithm Representation

no code implementations22 Nov 2023 Xingyu Wu, Yan Zhong, Jibin Wu, Bingbing Jiang, Kay Chen Tan

Following the extraction of embedding vectors for both algorithms and problems, the most suitable algorithm is determined through calculations of matching degrees.

AutoML Language Modelling +1

Dual Graph Multitask Framework for Imbalanced Delivery Time Estimation

no code implementations15 Feb 2023 Lei Zhang, Mingliang Wang, Xin Zhou, Xingyu Wu, Yiming Cao, Yonghui Xu, Lizhen Cui, Zhiqi Shen

To address the issue, we propose a novel Dual Graph Multitask framework for imbalanced Delivery Time Estimation (DGM-DTE).

Inductive Graph Transformer for Delivery Time Estimation

1 code implementation5 Nov 2022 Xin Zhou, Jinglong Wang, Yong liu, Xingyu Wu, Zhiqi Shen, Cyril Leung

Providing accurate estimated time of package delivery on users' purchasing pages for e-commerce platforms is of great importance to their purchasing decisions and post-purchase experiences.

An AIoT-enabled Autonomous Dementia Monitoring System

no code implementations2 Jul 2022 Xingyu Wu, Jinyang Li

The system mainly implements two functions based on the activity inference of the sensor data, which are real time abnormal activity monitoring and trend prediction of disease related activities.

Action Detection Activity Detection

Multi-label Causal Variable Discovery: Learning Common Causal Variables and Label-specific Causal Variables

no code implementations9 Nov 2020 Xingyu Wu, Bingbing Jiang, Yan Zhong, Huanhuan Chen

Analyzing these mechanisms, we provide the theoretical property of common causal variables, based on which the discovery and distinguishing algorithm is designed to identify these two types of variables.

feature selection

Dynamic Pricing on E-commerce Platform with Deep Reinforcement Learning: A Field Experiment

no code implementations5 Dec 2019 Jiaxi Liu, Yidong Zhang, Xiaoqing Wang, Yuming Deng, Xingyu Wu

Field experiment results suggest that DRCR is a more appropriate reward function than revenue, which is widely used by current literature.

reinforcement-learning Reinforcement Learning (RL)

Point Context: An Effective Shape Descriptor for RST-invariant Trajectory Recognition

no code implementations22 Jan 2015 Xingyu Wu, Xia Mao, Lijiang Chen, Yuli Xue, Angelo Compare

Secondly, the shape context is nonlinearly mapped to a subspace by kernel nonparametric discriminant analysis (KNDA) to get a compact feature representation, and thus a trajectory is projected to a single point in a low-dimensional feature space.

Translation

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