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We describe NTS-NOTEARS, a score-based structure learning method for time-series data to learn dynamic Bayesian networks (DBNs) that captures nonlinear, lagged (inter-slice) and instantaneous (intra-slice) relations among variables.…

Machine Learning · Computer Science 2023-03-03 Xiangyu Sun , Oliver Schulte , Guiliang Liu , Pascal Poupart

We propose a class of trainable deep learning-based geometries called Neural Spacetimes (NSTs), which can universally represent nodes in weighted directed acyclic graphs (DAGs) as events in a spacetime manifold. While most works in the…

Machine Learning · Computer Science 2025-03-11 Haitz Sáez de Ocáriz Borde , Anastasis Kratsios , Marc T. Law , Xiaowen Dong , Michael Bronstein

Learning latent representations of nodes in graphs is an important and ubiquitous task with widespread applications such as link prediction, node classification, and graph visualization. Previous methods on graph representation learning…

Machine Learning · Computer Science 2019-06-18 Aravind Sankar , Yanhong Wu , Liang Gou , Wei Zhang , Hao Yang

Knowledge representation is an important, long-history topic in AI, and there have been a large amount of work for knowledge graph embedding which projects symbolic entities and relations into low-dimensional, real-valued vector space.…

Computation and Language · Computer Science 2017-06-20 Han Xiao , Minlie Huang , Xiaoyan Zhu

Named entity recognition (NER) models are typically based on the architecture of Bi-directional LSTM (BiLSTM). The constraints of sequential nature and the modeling of single input prevent the full utilization of global information from…

Computation and Language · Computer Science 2019-11-20 Ying Luo , Fengshun Xiao , Hai Zhao

Named Entity Disambiguation (NED) refers to the task of resolving multiple named entity mentions in a document to their correct references in a knowledge base (KB) (e.g., Wikipedia). In this paper, we propose a novel embedding method…

Computation and Language · Computer Science 2016-06-13 Ikuya Yamada , Hiroyuki Shindo , Hideaki Takeda , Yoshiyasu Takefuji

We introduce Deep Adaptive Semantic Logic (DASL), a novel framework for automating the generation of deep neural networks that incorporates user-provided formal knowledge to improve learning from data. We provide formal semantics that…

Computer Vision and Pattern Recognition · Computer Science 2020-03-17 Karan Sikka , Andrew Silberfarb , John Byrnes , Indranil Sur , Ed Chow , Ajay Divakaran , Richard Rohwer

Graph representation learning has become a crucial task in machine learning and data mining due to its potential for modeling complex structures such as social networks, chemical compounds, and biological systems. Spiking neural networks…

Artificial Intelligence · Computer Science 2024-03-27 Huifeng Yin , Mingkun Xu , Jing Pei , Lei Deng

While label fusion from multiple noisy annotations is a well understood concept in data wrangling (tackled for example by the Dawid-Skene (DS) model), we consider the extended problem of carrying out learning when the labels themselves are…

Machine Learning · Statistics 2020-08-10 Michael P. J. Camilleri , Christopher K. I. Williams

Tabular data, structured as rows and columns, is among the most prevalent data types in machine learning classification and regression applications. Models for learning from tabular data have continuously evolved, with Deep Neural Networks…

Machine Learning · Computer Science 2025-04-24 Jun-Peng Jiang , Si-Yang Liu , Hao-Run Cai , Qile Zhou , Han-Jia Ye

In this paper, we study ordered representations of data in which different dimensions have different degrees of importance. To learn these representations we introduce nested dropout, a procedure for stochastically removing coherent nested…

Machine Learning · Statistics 2014-02-06 Oren Rippel , Michael A. Gelbart , Ryan P. Adams

An increasing number and diversity of services are available, which result in significant challenges to effective reuse service during requirement satisfaction. There have been many service bundle recommendation studies and achieved…

Artificial Intelligence · Computer Science 2021-08-10 Mingyi Liu , Zhiying Tu , Xiaofei Xu , Zhongjie Wang

Textual graphs are ubiquitous in real-world applications, featuring rich text information with complex relationships, which enables advanced research across various fields. Textual graph representation learning aims to generate…

Machine Learning · Computer Science 2024-08-22 Wenbin Hu , Huihao Jing , Qi Hu , Haoran Li , Yangqiu Song

Learning accurate low-dimensional embeddings for a network is a crucial task as it facilitates many downstream network analytics tasks. For large networks, the trained embeddings often require a significant amount of space to store, making…

Machine Learning · Computer Science 2022-03-22 Tao He , Lianli Gao , Jingkuan Song , Yuan-Fang Li

Named entity recognition (NER) is one of the best studied tasks in natural language processing. However, most approaches are not capable of handling nested structures which are common in many applications. In this paper we introduce a novel…

Computation and Language · Computer Science 2019-08-12 Joseph Fisher , Andreas Vlachos

Effective speech representations for spoken language models must balance semantic relevance with acoustic fidelity for high-quality reconstruction. However, existing approaches struggle to achieve both simultaneously. To address this, we…

Audio and Speech Processing · Electrical Eng. & Systems 2025-06-03 Amir Hussein , Sameer Khurana , Gordon Wichern , Francois G. Germain , Jonathan Le Roux

Neural architecture search (NAS) has recently been addressed from various directions, including discrete, sampling-based methods and efficient differentiable approaches. While the former are notoriously expensive, the latter suffer from…

Machine Learning · Computer Science 2021-05-13 Jovita Lukasik , David Friede , Arber Zela , Frank Hutter , Margret Keuper

Deep Neural Networks (DNNs) demonstrate remarkable capabilities in learning complex hierarchical data representations, but the nature of these representations remains largely unknown. Existing global explainability methods, such as Network…

Machine Learning · Computer Science 2024-01-19 Kirill Bykov , Laura Kopf , Shinichi Nakajima , Marius Kloft , Marina M. -C. Höhne

Deep Evolutionary Network Structured Representation (DENSER) is a novel approach to automatically design Artificial Neural Networks (ANNs) using Evolutionary Computation. The algorithm not only searches for the best network topology (e.g.,…

Neural and Evolutionary Computing · Computer Science 2018-11-28 Filipe Assunção , Nuno Lourenço , Penousal Machado , Bernardete Ribeiro

Sentence embeddings are an important component of many natural language processing (NLP) systems. Like word embeddings, sentence embeddings are typically learned on large text corpora and then transferred to various downstream tasks, such…

Computation and Language · Computer Science 2021-05-28 John Giorgi , Osvald Nitski , Bo Wang , Gary Bader