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Static word embeddings encode word associations, extensively utilized in downstream NLP tasks. Although prior studies have discussed the nature of such word associations in terms of biases and lexical regularities captured, the variation in…

计算与语言 · 计算机科学 2020-12-16 Geetanjali Bihani , Julia Taylor Rayz

This paper presents an algorithmic family of dynamic topic models called Aligned Neural Topic Models (ANTM), which combine novel data mining algorithms to provide a modular framework for discovering evolving topics. ANTM maintains the…

信息检索 · 计算机科学 2023-06-06 Hamed Rahimi , Hubert Naacke , Camelia Constantin , Bernd Amann

Non-negative matrix factorization (NMF) is a fundamental non-convex optimization problem with numerous applications in Machine Learning (music analysis, document clustering, speech-source separation etc). Despite having received extensive…

机器学习 · 计算机科学 2020-03-20 Ioannis Panageas , Stratis Skoulakis , Antonios Varvitsiotis , Xiao Wang

In this paper, we propose a zoom-out-and-in network for generating object proposals. A key observation is that it is difficult to classify anchors of different sizes with the same set of features. Anchors of different sizes should be placed…

计算机视觉与模式识别 · 计算机科学 2018-06-11 Hongyang Li , Yu Liu , Wanli Ouyang , Xiaogang Wang

Annotation projection is an important area in NLP that can greatly contribute to creating language resources for low-resource languages. Word alignment plays a key role in this setting. However, most of the existing word alignment methods…

计算与语言 · 计算机科学 2021-06-17 Ehsaneddin Asgari , Masoud Jalili Sabet , Philipp Dufter , Christopher Ringlstetter , Hinrich Schütze

This paper presents lossless prefix codes optimized with respect to a pay-off criterion consisting of a convex combination of maximum codeword length and average codeword length. The optimal codeword lengths obtained are based on a new…

信息论 · 计算机科学 2012-08-18 Themistoklis Charalambous , Charalambos D. Charalambous , Farzad Rezaei

Learning continuous representations of discrete objects such as text, users, movies, and URLs lies at the heart of many applications including language and user modeling. When using discrete objects as input to neural networks, we often…

机器学习 · 计算机科学 2021-03-12 Paul Pu Liang , Manzil Zaheer , Yuan Wang , Amr Ahmed

As large language models (LLMs) continue to scale up, their performance on various downstream tasks has significantly improved. However, evaluating their capabilities has become increasingly expensive, as performing inference on a large…

计算与语言 · 计算机科学 2026-02-10 Taolin Zhang , Hang Guo , Wang Lu , Tao Dai , Shu-Tao Xia , Jindong Wang

Anchor-based multi-view clustering (MVC) has received extensive attention due to its efficient performance. Existing methods only focus on how to dynamically learn anchors from the original data and simultaneously construct anchor graphs…

计算机视觉与模式识别 · 计算机科学 2024-12-24 Yawei Chen , Huibing Wang , Jinjia Peng , Yang Wang

In this paper, we propose a context-aware keyword spotting model employing a character-level recurrent neural network (RNN) for spoken term detection in continuous speech. The RNN is end-to-end trained with connectionist temporal…

计算与语言 · 计算机科学 2015-12-31 Kyuyeon Hwang , Minjae Lee , Wonyong Sung

Given a symmetric nonnegative matrix $A$, symmetric nonnegative matrix factorization (symNMF) is the problem of finding a nonnegative matrix $H$, usually with much fewer columns than $A$, such that $A \approx HH^T$. SymNMF can be used for…

数值分析 · 计算机科学 2016-10-07 Arnaud Vandaele , Nicolas Gillis , Qi Lei , Kai Zhong , Inderjit Dhillon

Anchors is a popular local model-agnostic explanation technique whose applicability is limited by its computational inefficiency. To address this limitation, we propose a memorization-based framework that accelerates Anchors while…

机器学习 · 计算机科学 2026-01-29 Haonan Yu , Junhao Liu , Xin Zhang

Background: Mining gene modules from genomic data is an important step to detect gene members of pathways or other relations such as protein-protein interactions. In this work, we explore the plausibility of detecting gene modules by…

机器学习 · 计算机科学 2017-05-12 YaoGong Zhang , YingJie Xu , Xin Fan , YuXiang Hong , Jiahui Liu , ZhiCheng He , YaLou Huang , MaoQiang Xie

Dynamic topic models track the evolution of topics in sequential documents, which have derived various applications like trend analysis and opinion mining. However, existing models suffer from repetitive topic and unassociated topic issues,…

计算与语言 · 计算机科学 2024-05-29 Xiaobao Wu , Xinshuai Dong , Liangming Pan , Thong Nguyen , Anh Tuan Luu

Word spotting has become a field of strong research interest in document image analysis over the last years. Recently, AttributeSVMs were proposed which predict a binary attribute representation. At their time, this influential method…

计算机视觉与模式识别 · 计算机科学 2017-12-21 Sebastian Sudholt , Gernot Fink

Resolving abstract anaphora is an important, but difficult task for text understanding. Yet, with recent advances in representation learning this task becomes a more tangible aim. A central property of abstract anaphora is that it…

计算与语言 · 计算机科学 2017-07-24 Ana Marasović , Leo Born , Juri Opitz , Anette Frank

Semantic matching of natural language sentences or identifying the relationship between two sentences is a core research problem underlying many natural language tasks. Depending on whether training data is available, prior research has…

计算与语言 · 计算机科学 2018-03-02 Bang Liu , Ting Zhang , Fred X. Han , Di Niu , Kunfeng Lai , Yu Xu

Matched filters are widely used to localise signal patterns due to their high efficiency and interpretability. However, their effectiveness deteriorates for low signal-to-noise ratio (SNR) signals, such as those recorded on edge devices,…

信号处理 · 电气工程与系统科学 2025-09-01 Haozhe Tian , Qiyu Rao , Nina Moutonnet , Pietro Ferraro , Danilo Mandic

Previous work on bridging anaphora resolution (Poesio et al., 2004; Hou et al., 2013b) use syntactic preposition patterns to calculate word relatedness. However, such patterns only consider NPs' head nouns and hence do not fully capture the…

计算与语言 · 计算机科学 2018-11-15 Yufang Hou

Neural Network Language Models (NNLMs) generate probability distributions by applying a softmax function to a distance metric formed by taking the dot product of a prediction vector with all word vectors in a high-dimensional embedding…

机器学习 · 计算机科学 2020-05-07 David Demeter , Gregory Kimmel , Doug Downey
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