机器学习(Machine Learning)是一个研究计算学习方法的国际论坛。该杂志发表文章,报告广泛的学习方法应用于各种学习问题的实质性结果。该杂志的特色论文描述研究的问题和方法,应用研究和研究方法的问题。有关学习问题或方法的论文通过实证研究、理论分析或与心理现象的比较提供了坚实的支持。应用论文展示了如何应用学习方法来解决重要的应用问题。研究方法论文改进了机器学习的研究方法。所有的论文都以其他研究人员可以验证或复制的方式描述了支持证据。论文还详细说明了学习的组成部分,并讨论了关于知识表示和性能任务的假设。 官网地址:http://dblp.uni-trier.de/db/journals/ml/

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In many machine learning tasks, models are trained to predict structure data such as graphs. For example, in natural language processing, it is very common to parse texts into dependency trees or abstract meaning representation (AMR) graphs. On the other hand, ensemble methods combine predictions from multiple models to create a new one that is more robust and accurate than individual predictions. In the literature, there are many ensembling techniques proposed for classification or regression problems, however, ensemble graph prediction has not been studied thoroughly. In this work, we formalize this problem as mining the largest graph that is the most supported by a collection of graph predictions. As the problem is NP-Hard, we propose an efficient heuristic algorithm to approximate the optimal solution. To validate our approach, we carried out experiments in AMR parsing problems. The experimental results demonstrate that the proposed approach can combine the strength of state-of-the-art AMR parsers to create new predictions that are more accurate than any individual models in five standard benchmark datasets.

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In many machine learning tasks, models are trained to predict structure data such as graphs. For example, in natural language processing, it is very common to parse texts into dependency trees or abstract meaning representation (AMR) graphs. On the other hand, ensemble methods combine predictions from multiple models to create a new one that is more robust and accurate than individual predictions. In the literature, there are many ensembling techniques proposed for classification or regression problems, however, ensemble graph prediction has not been studied thoroughly. In this work, we formalize this problem as mining the largest graph that is the most supported by a collection of graph predictions. As the problem is NP-Hard, we propose an efficient heuristic algorithm to approximate the optimal solution. To validate our approach, we carried out experiments in AMR parsing problems. The experimental results demonstrate that the proposed approach can combine the strength of state-of-the-art AMR parsers to create new predictions that are more accurate than any individual models in five standard benchmark datasets.

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