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LinSATNet: The Positive Linear Satisfiability Neural Networks LinSATNet:正线性可满足性神经网络
International Conference on Machine Learning Pub Date : 2024-07-18 DOI: 10.5555/3618408.3619931
Runzhong Wang, Yunhao Zhang, Ziao Guo, Tianyi Chen, Xiaokang Yang, Junchi Yan
{"title":"LinSATNet: The Positive Linear Satisfiability Neural Networks","authors":"Runzhong Wang, Yunhao Zhang, Ziao Guo, Tianyi Chen, Xiaokang Yang, Junchi Yan","doi":"10.5555/3618408.3619931","DOIUrl":"https://doi.org/10.5555/3618408.3619931","url":null,"abstract":"Encoding constraints into neural networks is attractive. This paper studies how to introduce the popular positive linear satisfiability to neural networks. We propose the first differentiable satisfiability layer based on an extension of the classic Sinkhorn algorithm for jointly encoding multiple sets of marginal distributions. We further theoretically characterize the convergence property of the Sinkhorn algorithm for multiple marginals. In contrast to the sequential decision e.g. reinforcement learning-based solvers, we showcase our technique in solving constrained (specifically satisfiability) problems by one-shot neural networks, including i) a neural routing solver learned without supervision of optimal solutions; ii) a partial graph matching network handling graphs with unmatchable outliers on both sides; iii) a predictive network for financial portfolios with continuous constraints. To our knowledge, there exists no one-shot neural solver for these scenarios when they are formulated as satisfiability problems. Source code is available at https://github.com/Thinklab-SJTU/LinSATNet","PeriodicalId":516931,"journal":{"name":"International Conference on Machine Learning","volume":" 2","pages":"36605-36625"},"PeriodicalIF":0.0,"publicationDate":"2024-07-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141824720","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Stochastic Gradient Succeeds for Bandits 随机梯度成功解决强盗问题
International Conference on Machine Learning Pub Date : 2024-02-27 DOI: 10.48550/arXiv.2402.17235
Jincheng Mei, Zixin Zhong, Bo Dai, Alekh Agarwal, Csaba Szepesvari, D. Schuurmans
{"title":"Stochastic Gradient Succeeds for Bandits","authors":"Jincheng Mei, Zixin Zhong, Bo Dai, Alekh Agarwal, Csaba Szepesvari, D. Schuurmans","doi":"10.48550/arXiv.2402.17235","DOIUrl":"https://doi.org/10.48550/arXiv.2402.17235","url":null,"abstract":"We show that the emph{stochastic gradient} bandit algorithm converges to a emph{globally optimal} policy at an $O(1/t)$ rate, even with a emph{constant} step size. Remarkably, global convergence of the stochastic gradient bandit algorithm has not been previously established, even though it is an old algorithm known to be applicable to bandits. The new result is achieved by establishing two novel technical findings: first, the noise of the stochastic updates in the gradient bandit algorithm satisfies a strong ``growth condition'' property, where the variance diminishes whenever progress becomes small, implying that additional noise control via diminishing step sizes is unnecessary; second, a form of ``weak exploration'' is automatically achieved through the stochastic gradient updates, since they prevent the action probabilities from decaying faster than $O(1/t)$, thus ensuring that every action is sampled infinitely often with probability $1$. These two findings can be used to show that the stochastic gradient update is already ``sufficient'' for bandits in the sense that exploration versus exploitation is automatically balanced in a manner that ensures almost sure convergence to a global optimum. These novel theoretical findings are further verified by experimental results.","PeriodicalId":516931,"journal":{"name":"International Conference on Machine Learning","volume":"81 5","pages":"24325-24360"},"PeriodicalIF":0.0,"publicationDate":"2024-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140427055","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Deep Continuous Networks 深度连续网络
International Conference on Machine Learning Pub Date : 2024-02-02 DOI: 10.48550/arXiv.2402.01557
Nergis Tomen, S. Pintea, J. V. Gemert
{"title":"Deep Continuous Networks","authors":"Nergis Tomen, S. Pintea, J. V. Gemert","doi":"10.48550/arXiv.2402.01557","DOIUrl":"https://doi.org/10.48550/arXiv.2402.01557","url":null,"abstract":"CNNs and computational models of biological vision share some fundamental principles, which opened new avenues of research. However, fruitful cross-field research is hampered by conventional CNN architectures being based on spatially and depthwise discrete representations, which cannot accommodate certain aspects of biological complexity such as continuously varying receptive field sizes and dynamics of neuronal responses. Here we propose deep continuous networks (DCNs), which combine spatially continuous filters, with the continuous depth framework of neural ODEs. This allows us to learn the spatial support of the filters during training, as well as model the continuous evolution of feature maps, linking DCNs closely to biological models. We show that DCNs are versatile and highly applicable to standard image classification and reconstruction problems, where they improve parameter and data efficiency, and allow for meta-parametrization. We illustrate the biological plausibility of the scale distributions learned by DCNs and explore their performance in a neuroscientifically inspired pattern completion task. Finally, we investigate an efficient implementation of DCNs by changing input contrast.","PeriodicalId":516931,"journal":{"name":"International Conference on Machine Learning","volume":"56 3","pages":"10324-10335"},"PeriodicalIF":0.0,"publicationDate":"2024-02-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139897066","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 11
Deep Continuous Networks 深度连续网络
International Conference on Machine Learning Pub Date : 2024-02-02 DOI: 10.48550/arXiv.2402.01557
Nergis Tomen, S. Pintea, J. V. Gemert
{"title":"Deep Continuous Networks","authors":"Nergis Tomen, S. Pintea, J. V. Gemert","doi":"10.48550/arXiv.2402.01557","DOIUrl":"https://doi.org/10.48550/arXiv.2402.01557","url":null,"abstract":"CNNs and computational models of biological vision share some fundamental principles, which opened new avenues of research. However, fruitful cross-field research is hampered by conventional CNN architectures being based on spatially and depthwise discrete representations, which cannot accommodate certain aspects of biological complexity such as continuously varying receptive field sizes and dynamics of neuronal responses. Here we propose deep continuous networks (DCNs), which combine spatially continuous filters, with the continuous depth framework of neural ODEs. This allows us to learn the spatial support of the filters during training, as well as model the continuous evolution of feature maps, linking DCNs closely to biological models. We show that DCNs are versatile and highly applicable to standard image classification and reconstruction problems, where they improve parameter and data efficiency, and allow for meta-parametrization. We illustrate the biological plausibility of the scale distributions learned by DCNs and explore their performance in a neuroscientifically inspired pattern completion task. Finally, we investigate an efficient implementation of DCNs by changing input contrast.","PeriodicalId":516931,"journal":{"name":"International Conference on Machine Learning","volume":"65 5","pages":"10324-10335"},"PeriodicalIF":0.0,"publicationDate":"2024-02-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139893647","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 11
Properties of the Mallows Model Depending on the Number of Alternatives: A Warning for an Experimentalist 马洛斯模型的特性取决于备选方案的数量:给实验者的警告
International Conference on Machine Learning Pub Date : 2024-01-25 DOI: 10.48550/arXiv.2401.14562
Niclas Boehmer, Piotr Faliszewski, Sonja Kraiczy
{"title":"Properties of the Mallows Model Depending on the Number of Alternatives: A Warning for an Experimentalist","authors":"Niclas Boehmer, Piotr Faliszewski, Sonja Kraiczy","doi":"10.48550/arXiv.2401.14562","DOIUrl":"https://doi.org/10.48550/arXiv.2401.14562","url":null,"abstract":"The Mallows model is a popular distribution for ranked data. We empirically and theoretically analyze how the properties of rankings sampled from the Mallows model change when increasing the number of alternatives. We find that real-world data behaves differently than the Mallows model, yet is in line with its recent variant proposed by Boehmer et al. [2021]. As part of our study, we issue several warnings about using the model.","PeriodicalId":516931,"journal":{"name":"International Conference on Machine Learning","volume":"123 6","pages":"2689-2711"},"PeriodicalIF":0.0,"publicationDate":"2024-01-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140495556","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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