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Reinforcement learning (RL) has seen significant success across various domains, but its adoption is often limited by the black-box nature of neural network policies, making them difficult to interpret. In contrast, symbolic policies allow…

机器学习 · 计算机科学 2025-03-12 Sascha Marton , Tim Grams , Florian Vogt , Stefan Lüdtke , Christian Bartelt , Heiner Stuckenschmidt

Symbolic regression is essential for deriving interpretable expressions that elucidate complex phenomena by exposing the underlying mathematical and physical relationships in data. In this paper, we present an advanced symbolic regression…

机器学习 · 计算机科学 2025-03-13 Sikai Huang , Yixin Berry Wen , Tara Adusumilli , Kusum Choudhary , Haizhao Yang

Symbolic learning represents the most straightforward approach to interpretable modeling, but its applications have been hampered by a single structural design choice: the adoption of propositional logic as the underlying language.…

机器学习 · 计算机科学 2021-09-20 Giovanni Pagliarini , Guido Sciavicco

Many valid translations exist for a given sentence, yet machine translation (MT) is trained with a single reference translation, exacerbating data sparsity in low-resource settings. We introduce Simulated Multiple Reference Training (SMRT),…

计算与语言 · 计算机科学 2021-04-23 Huda Khayrallah , Brian Thompson , Matt Post , Philipp Koehn

Metric-based learning is a well-known family of methods for few-shot learning, especially in computer vision. Recently, they have been used in many natural language processing applications but not for slot tagging. In this paper, we explore…

计算与语言 · 计算机科学 2021-03-04 Cennet Oguz , Ngoc Thang Vu

We propose an end-to-end architecture for facial expression recognition. Our model learns an optimal tree topology for facial landmarks, whose traversal generates a sequence from which we obtain an embedding to feed a sequential learner.…

计算机视觉与模式识别 · 计算机科学 2021-12-07 Mojtaba Kolahdouzi , Alireza Sepas-Moghaddam , Ali Etemad

In this paper, we propose a new hand gesture recognition method based on skeletal data by learning SPD matrices with neural networks. We model the hand skeleton as a graph and introduce a neural network for SPD matrix learning, taking as…

计算机视觉与模式识别 · 计算机科学 2019-05-21 Xuan Nguyen , Luc Brun , Olivier Lezoray , Sébastien Bougleux

Recursive neural networks (Tree-RNNs) based on dependency trees are ubiquitous in modeling sentence meanings as they effectively capture semantic relationships between non-neighborhood words. However, recognizing semantically dissimilar…

计算与语言 · 计算机科学 2022-01-14 Jeena Kleenankandy , K A Abdul Nazeer

Syntax has been demonstrated highly effective in neural machine translation (NMT). Previous NMT models integrate syntax by representing 1-best tree outputs from a well-trained parsing system, e.g., the representative Tree-RNN and…

计算与语言 · 计算机科学 2019-05-09 Meishan Zhang , Zhenghua Li , Guohong Fu , Min Zhang

The reliance of humans over machines has never been so high such that from object classification in photographs to adding sound to silent movies everything can be performed with the help of deep learning and machine learning algorithms.…

计算机视觉与模式识别 · 计算机科学 2021-06-25 Samay Pashine , Ritik Dixit , Rishika Kushwah

Parameter learning is a crucial task in the field of Statistical Relational Artificial Intelligence: given a probabilistic logic program and a set of observations in the form of interpretations, the goal is to learn the probabilities of the…

人工智能 · 计算机科学 2025-01-22 Damiano Azzolini , Elisabetta Gentili , Fabrizio Riguzzi

Autoregressive language models demonstrate excellent performance in various scenarios. However, the inference efficiency is limited by its one-step-one-word generation mode, which has become a pressing problem recently as the models become…

计算与语言 · 计算机科学 2025-04-25 Jikai Wang , Yi Su , Juntao Li , Qingrong Xia , Zi Ye , Xinyu Duan , Zhefeng Wang , Min Zhang

It is very useful to integrate human knowledge and experience into traditional neural networks for faster learning speed, fewer training samples and better interpretability. However, due to the obscured and indescribable black box model of…

机器学习 · 计算机科学 2018-10-02 Guangming Shi , Zhongqiang Zhang , Dahua Gao , Xuemei Xie , Yihao Feng , Xinrui Ma , Danhua Liu

Multivariate time series forecasting with hierarchical structure is widely used in real-world applications, e.g., sales predictions for the geographical hierarchy formed by cities, states, and countries. The hierarchical time series (HTS)…

机器学习 · 计算机科学 2023-10-10 Fan Zhou , Chen Pan , Lintao Ma , Yu Liu , Shiyu Wang , James Zhang , Xinxin Zhu , Xuanwei Hu , Yunhua Hu , Yangfei Zheng , Lei Lei , Yun Hu

We propose ODTE, a new ensemble that uses oblique decision trees as base classifiers. Additionally, we introduce STree, the base algorithm for growing oblique decision trees, which leverages support vector machines to define hyperplanes…

机器学习 · 计算机科学 2025-03-18 Ricardo Montañana , José A. Gámez , José M. Puerta

New findings in natural language processing (NLP) demonstrate that the strong memorization capability contributes a lot to the success of Large Language Models (LLM). This inspires us to explicitly bring an independent memory mechanism into…

信息检索 · 计算机科学 2023-09-06 Pengtao Zhang , Junlin Zhang

Attributes of words and relations between two words are central to numerous tasks in Artificial Intelligence such as knowledge representation, similarity measurement, and analogy detection. Often when two words share one or more attributes…

计算与语言 · 计算机科学 2014-12-09 Danushka Bollegala , Takanori Maehara , Yuichi Yoshida , Ken-ichi Kawarabayashi

Document-level relation extraction (DocRE) models generally use graph networks to implicitly model the reasoning skill (i.e., pattern recognition, logical reasoning, coreference reasoning, etc.) related to the relation between one entity…

计算与语言 · 计算机科学 2021-06-04 Wang Xu , Kehai Chen , Tiejun Zhao

We study probability distributions over free algebras of trees. Probability distributions can be seen as particular (formal power) tree series [Berstel et al 82, Esik et al 03], i.e. mappings from trees to a semiring K . A widely studied…

机器学习 · 计算机科学 2008-07-21 François Denis , Amaury Habrard , Rémi Gilleron , Marc Tommasi , Édouard Gilbert

In this paper we introduce StructNet-CE, a novel real-time online learning framework for MIMO-OFDM channel estimation, which only utilizes over-the-air (OTA) pilot symbols for online training and converges within one OFDM subframe. The…

信号处理 · 电气工程与系统科学 2023-05-24 Lianjun Li , Sai Sree Rayala , Jiarui Xu , Lizhong Zheng , Lingjia Liu