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Existing methods to summarize posterior inference for mixture models focus on identifying a point estimate of the implied random partition for clustering, with density estimation as a secondary goal (Wade and Ghahramani, 2018; Dahl et al.,…

统计方法学 · 统计学 2025-05-09 Khai Nguyen , Peter Mueller

Gaussian processes constitute a very powerful and well-understood method for non-parametric regression and classification. In the classical framework, the training data consists of deterministic vector-valued inputs and the corresponding…

系统与控制 · 计算机科学 2018-09-26 Maxim Dolgov , Uwe D. Hanebeck

Text similarity calculation is a fundamental problem in natural language processing and related fields. In recent years, deep neural networks have been developed to perform the task and high performances have been achieved. The neural…

计算与语言 · 计算机科学 2018-10-26 Yilin Niu , Chao Qiao , Hang Li , Minlie Huang

Probabilistic word embeddings have shown effectiveness in capturing notions of generality and entailment, but there is very little work on doing the analogous type of investigation for sentences. In this paper we define probabilistic models…

计算与语言 · 计算机科学 2020-05-19 Mingda Chen , Kevin Gimpel

Multiple measures, such as WEAT or MAC, attempt to quantify the magnitude of bias present in word embeddings in terms of a single-number metric. However, such metrics and the related statistical significance calculations rely on treating…

计算与语言 · 计算机科学 2023-06-16 Alicja Dobrzeniecka , Rafal Urbaniak

It has been shown that word embeddings derived from large corpora tend to incorporate biases present in their training data. Various methods for mitigating these biases have been proposed, but recent work has demonstrated that these methods…

计算与语言 · 计算机科学 2023-06-27 Hailey Joren , David Alvarez-Melis

In the field of modern high-energy physics research, there is a growing emphasis on utilizing deep learning techniques to optimize event simulation, thereby expanding the statistical sample size for more accurate physical analysis.…

计算物理 · 物理学 2025-06-16 Chu-Cheng Pan , Xiang Dong , Yu-Chang Sun , Ao-Yan Cheng , Ao-Bo Wang , Yu-Xuan Hu , Hao Cai

We introduce the Wasserstein Transform (WT), a general unsupervised framework for updating distance structures on given data sets with the purpose of enhancing features and denoising. Our framework represents each data point by a…

机器学习 · 计算机科学 2026-04-14 Kun Jin , Facundo Mémoli , Zane Smith , Zhengchao Wan

Learning word embeddings using distributional information is a task that has been studied by many researchers, and a lot of studies are reported in the literature. On the contrary, less studies were done for the case of multiple languages.…

计算与语言 · 计算机科学 2020-04-15 Marco Berlot , Evan Kaplan

Word embedding, specially with its recent developments, promises a quantification of the similarity between terms. However, it is not clear to which extent this similarity value can be genuinely meaningful and useful for subsequent tasks.…

计算与语言 · 计算机科学 2018-04-05 Navid Rekabsaz , Mihai Lupu , Allan Hanbury

We consider the distributional connection between the lossy compressed representation of a high-dimensional signal $X$ using a random spherical code and the observation of $X$ under an additive white Gaussian noise (AWGN). We show that the…

信息论 · 计算机科学 2021-12-14 Alon Kipnis , Galen Reeves

This work lists and describes the main recent strategies for building fixed-length, dense and distributed representations for words, based on the distributional hypothesis. These representations are now commonly called word embeddings and,…

计算与语言 · 计算机科学 2023-05-03 Felipe Almeida , Geraldo Xexéo

Search behaviour is characterised using synonymy and polysemy as users often want to search information based on meaning. Semantic representation strategies represent a move towards richer associative connections that can adequately capture…

信息检索 · 计算机科学 2026-02-06 Niall McCarroll , Kevin Curran , Eugene McNamee , Angela Clist , Andrew Brammer

Word embedding techniques heavily rely on the abundance of training data for individual words. Given the Zipfian distribution of words in natural language texts, a large number of words do not usually appear frequently or at all in the…

计算与语言 · 计算机科学 2018-11-14 Victor Prokhorov , Mohammad Taher Pilehvar , Dimitri Kartsaklis , Pietro Lio , Nigel Collier

While word embeddings are currently predominant for natural language processing, most of existing models learn them solely from their contexts. However, these context-based word embeddings are limited since not all words' meaning can be…

计算与语言 · 计算机科学 2016-08-23 Jifan Chen , Kan Chen , Xipeng Qiu , Qi Zhang , Xuanjing Huang , Zheng Zhang

We develop a framework for generalized variational inference in infinite-dimensional function spaces and use it to construct a method termed Gaussian Wasserstein inference (GWI). GWI leverages the Wasserstein distance between Gaussian…

机器学习 · 统计学 2022-10-18 Veit D. Wild , Robert Hu , Dino Sejdinovic

Regression loss design is an essential topic for oriented object detection. Due to the periodicity of the angle and the ambiguity of width and height definition, traditional L1-distance loss and its variants have been suffered from the…

计算机视觉与模式识别 · 计算机科学 2023-12-13 Yuke Zhu , Yumeng Ruan , Zihua Xiong , Sheng Guo

This paper presents a novel distribution-agnostic Wasserstein distance-based estimation framework. The goal is to determine an optimal map combining prior estimate with measurement likelihood such that posterior estimation error optimally…

系统与控制 · 电气工程与系统科学 2024-03-22 Himanshu Prabhat , Raktim Bhattacharya

In this paper, we propose a new method to measure the probabilistic robustness of stochastic jump linear system with respect to both the initial state uncertainties and the randomness in switching. Wasserstein distance which defines a…

系统与控制 · 计算机科学 2014-10-03 Kooktae Lee , Abhishek Halder , Raktim Bhattacharya

Monge-Kantorovich distances, otherwise known as Wasserstein distances, have received a growing attention in statistics and machine learning as a powerful discrepancy measure for probability distributions. In this paper, we focus on…

机器学习 · 统计学 2018-01-30 François Bachoc , Fabrice Gamboa , Jean-Michel Loubes , Nil Venet