Search Results for author: Shaowei Cai

Found 11 papers, 4 papers with code

Better Understandings and Configurations in MaxSAT Local Search Solvers via Anytime Performance Analysis

1 code implementation11 Mar 2024 Furong Ye, Chuan Luo, Shaowei Cai

Though numerous solvers have been proposed for the MaxSAT problem, and the benchmark environment such as MaxSAT Evaluations provides a platform for the comparison of the state-of-the-art solvers, existing assessments were usually evaluated based on the quality, e. g., fitness, of the best-found solutions obtained within a given running time budget.

Hyperparameter Optimization SMAC+

AutoSAT: Automatically Optimize SAT Solvers via Large Language Models

1 code implementation16 Feb 2024 Yiwen Sun, Xianyin Zhang, Shiyu Huang, Shaowei Cai, Bing-Zhen Zhang, Ke Wei

Heuristics are crucial in SAT solvers, while no heuristic rules are suitable for all problem instances.

New Characterizations and Efficient Local Search for General Integer Linear Programming

no code implementations29 Apr 2023 Peng Lin, Shaowei Cai, Mengchuan Zou, JinKun Lin

We propose a new local search framework that switches between three modes, namely Search, Improve, and Restore modes.

Combinatorial Optimization Management

LANDMARK: Language-guided Representation Enhancement Framework for Scene Graph Generation

1 code implementation2 Mar 2023 Xiaoguang Chang, Teng Wang, Shaowei Cai, Changyin Sun

Besides, representation-level unbiased strategies endow LANDMARK the advantage of compatibility with other methods.

Graph Generation Object +3

Incremental Satisfiability Modulo Theory for Verification of Deep Neural Networks

no code implementations10 Feb 2023 Pengfei Yang, Zhiming Chi, Zongxin Liu, Mengyu Zhao, Cheng-Chao Huang, Shaowei Cai, Lijun Zhang

Moreover, based on the framework, we propose the multi-objective DNN repair problem and give an algorithm based on our incremental SMT solving algorithm.

valid

DeepSAT: An EDA-Driven Learning Framework for SAT

no code implementations27 May 2022 Min Li, Zhengyuan Shi, Qiuxia Lai, Sadaf Khan, Shaowei Cai, Qiang Xu

Based on this observation, we approximate the SAT solving procedure with a conditional generative model, leveraging a novel directed acyclic graph neural network (DAGNN) with two polarity prototypes for conditional SAT modeling.

Can Graph Neural Networks Learn to Solve MaxSAT Problem?

no code implementations15 Nov 2021 Minghao Liu, Fuqi Jia, Pei Huang, Fan Zhang, Yuchen Sun, Shaowei Cai, Feifei Ma, Jian Zhang

With the rapid development of deep learning techniques, various recent work has tried to apply graph neural networks (GNNs) to solve NP-hard problems such as Boolean Satisfiability (SAT), which shows the potential in bridging the gap between machine learning and symbolic reasoning.

NLocalSAT: Boosting Local Search with Solution Prediction

1 code implementation26 Jan 2020 Wenjie Zhang, Zeyu Sun, Qihao Zhu, Ge Li, Shaowei Cai, Yingfei Xiong, Lu Zhang

However, in this method, the initialization is assigned in a random manner, which impacts the effectiveness of SLS solvers.

Local Search for Minimum Weight Dominating Set with Two-Level Configuration Checking and Frequency Based Scoring Function

no code implementations15 Feb 2017 Yiyuan Wang, Shaowei Cai, Minghao Yin

This paper proposes a new local search algorithm for the MWDS problem, which is based on two new ideas.

NuMVC: An Efficient Local Search Algorithm for Minimum Vertex Cover

no code implementations4 Feb 2014 Shaowei Cai, Kaile Su, Chuan Luo, Abdul Sattar

These two strategies are used in designing a new MVC local search algorithm, which is referred to as NuMVC.

Combinatorial Optimization

Cannot find the paper you are looking for? You can Submit a new open access paper.