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Clustering methods seek to partition data such that elements are more similar to elements in the same cluster than to elements in different clusters. The main challenge in this task is the lack of a unified definition of a cluster,…

统计理论 · 数学 2022-07-06 Franz Besold , Vladimir Spokoiny

Resampling is a key component of sample-based recursive state estimation in particle filters. Recent work explores differentiable particle filters for end-to-end learning. However, resampling remains a challenge in these works, as it is…

机器学习 · 计算机科学 2020-04-28 Michael Zhu , Kevin Murphy , Rico Jonschkowski

We develop a data driven approach to perform clustering and end-to-end feature learning simultaneously for streaming data that can adaptively detect novel clusters in emerging data. Our approach, Adaptive Nonparametric Variational…

机器学习 · 统计学 2019-10-14 Tingting Zhao , Zifeng Wang , Aria Masoomi , Jennifer G. Dy

In this paper we present a hybrid neural network augmented physics-based modeling (APBM) framework for Bayesian nonlinear latent space estimation. The proposed APBM strategy allows for model adaptation when new operation conditions come…

机器学习 · 计算机科学 2022-09-16 Tales Imbiriba , Ahmet Demirkaya , Jindřich Duník , Ondřej Straka , Deniz Erdoğmuş , Pau Closas

Detector simulation and reconstruction are a significant computational bottleneck in particle physics. We develop Particle-flow Neural Assisted Simulations (Parnassus) to address this challenge. Our deep learning model takes as input a…

数据分析、统计与概率 · 物理学 2024-11-22 Etienne Dreyer , Eilam Gross , Dmitrii Kobylianskii , Vinicius Mikuni , Benjamin Nachman , Nathalie Soybelman

The dominant neural architectures in question answer retrieval are based on recurrent or convolutional encoders configured with complex word matching layers. Given that recent architectural innovations are mostly new word interaction layers…

信息检索 · 计算机科学 2017-11-27 Yi Tay , Luu Anh Tuan , Siu Cheung Hui

Anomaly detection on the attributed network has recently received increasing attention in many research fields, such as cybernetic anomaly detection and financial fraud detection. With the wide application of deep learning on graph…

社会与信息网络 · 计算机科学 2022-09-13 Yuanjun Shi

Combinatorial optimization problems are typically tackled by the branch-and-bound paradigm. We propose a new graph convolutional neural network model for learning branch-and-bound variable selection policies, which leverages the natural…

机器学习 · 计算机科学 2019-10-31 Maxime Gasse , Didier Chételat , Nicola Ferroni , Laurent Charlin , Andrea Lodi

We present a novel neural architecture for answering queries, designed to optimally leverage explicit support in the form of query-answer memories. Our model is able to refine and update a given query while separately accumulating evidence…

计算与语言 · 计算机科学 2016-09-28 Dirk Weissenborn

Artificial bee colony (ABC) algorithm has proved its importance in solving a number of problems including engineering optimization problems. ABC algorithm is one of the most popular and youngest member of the family of population based…

人工智能 · 计算机科学 2014-07-23 Sandeep Kumar , Vivek Kumar Sharma , Rajani Kumari

The earth system is exceedingly complex and often chaotic in nature, making prediction incredibly challenging: we cannot expect to make perfect predictions all of the time. Instead, we look for specific states of the system that lead to…

大气与海洋物理 · 物理学 2022-01-05 Elizabeth A. Barnes , Randal J. Barnes

Recursive Neural Networks are non-linear adaptive models that are able to learn deep structured information. However, these models have not yet been broadly accepted. This fact is mainly due to its inherent complexity. In particular, not…

神经与进化计算 · 计算机科学 2009-11-18 Alejandro Chinea

Simulation-to-simulation and simulation-to-real world transfer of neural network models have been a difficult problem. To close the reality gap, prior methods to simulation-to-real world transfer focused on domain adaptation, decoupling…

机器学习 · 计算机科学 2020-01-06 Sahika Genc , Sunil Mallya , Sravan Bodapati , Tao Sun , Yunzhe Tao

Training data attribution (TDA) methods ask which training documents are responsible for a model behavior. However, models often learn broad concepts shared across many examples. Moreover, existing TDA methods are supervised -- they require…

人工智能 · 计算机科学 2026-03-18 J Rosser

In this paper, we attack the anomaly detection problem by directly modeling the data distribution with deep architectures. We propose deep structured energy based models (DSEBMs), where the energy function is the output of a deterministic…

机器学习 · 计算机科学 2016-06-17 Shuangfei Zhai , Yu Cheng , Weining Lu , Zhongfei Zhang

We give an efficient algorithm for finding sparse approximate solutions to linear systems of equations with nonnegative coefficients. Unlike most known results for sparse recovery, we do not require {\em any} assumption on the matrix other…

数据结构与算法 · 计算机科学 2015-01-09 Aditya Bhaskara , Ananda Theertha Suresh , Morteza Zadimoghaddam

In this study, we investigate the application of the New Physics Learning Machine (NPLM) algorithm as an alternative to the standard CWoLa method with Boosted Decision Trees (BDTs), particularly for scenarios with rare signal events. NPLM…

高能物理 - 实验 · 物理学 2025-01-06 Gaia Grosso , Debajyoti Sengupta , Tobias Golling , Philip Harris

This paper introduces Attribution Projection Calculus (AP-Calculus), a novel mathematical framework for determining causal relationships in structured Bayesian networks. We investigate a specific network architecture with source nodes…

机器学习 · 计算机科学 2025-05-20 M Ruhul Amin

Recently, a method [7] was proposed to generate contrastive explanations for differentiable models such as deep neural networks, where one has complete access to the model. In this work, we propose a method, Model Agnostic Contrastive…

Deterministically solving charged particle transport problems at a sufficient spatial and angular resolution is often prohibitively expensive, especially due to their highly forward peaked scattering. We propose a model order reduction…

数值分析 · 数学 2025-01-13 Pia Stammer , Tiberiu Burlacu , Niklas Wahl , Danny Lathouwers , Jonas Kusch