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Cluster analysis plays a crucial role in various domains and applications, such as customer segmentation in marketing. These contexts often involve multimodal data, including both tabular and textual datasets, making it challenging to…

计算与语言 · 计算机科学 2025-02-05 Fillipe dos Santos Silva , Gabriel Kenzo Kakimoto , Julio Cesar dos Reis , Marcelo S. Reis

This work introduces a benchmark assessing the performance of clustering German text embeddings in different domains. This benchmark is driven by the increasing use of clustering neural text embeddings in tasks that require the grouping of…

计算与语言 · 计算机科学 2024-01-08 Silvan Wehrli , Bert Arnrich , Christopher Irrgang

Language Models (LMs) can perform new tasks by adapting to a few in-context examples. For humans, explanations that connect examples to task principles can improve learning. We therefore investigate whether explanations of few-shot examples…

Word sense induction (WSI) is the task of unsupervised clustering of word usages within a sentence to distinguish senses. Recent work obtain strong results by clustering lexical substitutes derived from pre-trained RNN language models…

计算与语言 · 计算机科学 2019-06-03 Asaf Amrami , Yoav Goldberg

Multilingual generative models obtain remarkable cross-lingual in-context learning capabilities through pre-training on large-scale corpora. However, they still exhibit a performance bias toward high-resource languages and learn isolated…

计算与语言 · 计算机科学 2024-06-13 Chong Li , Shaonan Wang , Jiajun Zhang , Chengqing Zong

Both humans and machines learn the meaning of unknown words through contextual information in a sentence, but not all contexts are equally helpful for learning. We introduce an effective method for capturing the level of contextual…

计算与语言 · 计算机科学 2023-11-10 Sungjin Nam , David Jurgens , Gwen Frishkoff , Kevyn Collins-Thompson

Sparse representations with learned dictionaries have been successful in several image analysis applications. In this paper, we propose and analyze the framework of ensemble sparse models, and demonstrate their utility in image restoration…

计算机视觉与模式识别 · 计算机科学 2013-02-28 Karthikeyan Natesan Ramamurthy , Jayaraman J. Thiagarajan , Prasanna Sattigeri , Andreas Spanias

In this work, we propose a novel method to incorporate corpus-level discourse information into language modelling. We call this larger-context language model. We introduce a late fusion approach to a recurrent language model based on long…

计算与语言 · 计算机科学 2015-12-29 Tian Wang , Kyunghyun Cho

Clustering token-level contextualized word representations produces output that shares many similarities with topic models for English text collections. Unlike clusterings of vocabulary-level word embeddings, the resulting models more…

计算与语言 · 计算机科学 2020-10-27 Laure Thompson , David Mimno

Many works proposed methods to improve the performance of Neural Machine Translation (NMT) models in a domain/multi-domain adaptation scenario. However, an understanding of how NMT baselines represent text domain information internally is…

计算与语言 · 计算机科学 2021-09-17 Maksym Del , Elizaveta Korotkova , Mark Fishel

Language models have been shown to reproduce underlying biases existing in their training data, which is the majority perspective by default. Proposed solutions aim to capture minority perspectives by either modelling annotator…

计算与语言 · 计算机科学 2024-07-22 Nikolas Vitsakis , Amit Parekh , Ioannis Konstas

Recent years have witnessed the emergence of textual commonsense knowledge bases, aimed at providing more nuanced and context-rich knowledge. The integration of external commonsense into language models has been shown to be a key enabler in…

计算与语言 · 计算机科学 2023-05-26 Wanyun Cui , Xingran Chen

Sentence embedding tasks are important in natural language processing (NLP), but improving their performance while keeping them reliable is still hard. This paper presents a framework that combines pseudo-label generation and model ensemble…

计算与语言 · 计算机科学 2025-01-28 Ziwei Liu , Qi Zhang , Lifu Gao

Researchers have explored different ways to improve large language models (LLMs)' capabilities via dummy token insertion in contexts. However, existing works focus solely on the dummy tokens themselves, but fail to leverage the inherent…

计算与语言 · 计算机科学 2026-04-16 Zhichen Liu , Yongyuan Li , Yang Xu

Designing machine intelligence to converse with a human user necessarily requires an understanding of how humans participate in conversation, and thus conversation modeling is an important task in natural language processing. New…

计算与语言 · 计算机科学 2023-05-16 Sean Paulsen

Class-based language models (LMs) have been long devised to address context sparsity in $n$-gram LMs. In this study, we revisit this approach in the context of neural LMs. We hypothesize that class-based prediction leads to an implicit…

计算与语言 · 计算机科学 2022-03-22 He Bai , Tong Wang , Alessandro Sordoni , Peng Shi

Traditional learning-based coreference resolvers operate by training the mention-pair model for determining whether two mentions are coreferent or not. Though conceptually simple and easy to understand, the mention-pair model is…

计算与语言 · 计算机科学 2014-05-21 Altaf Rahman , Vincent Ng

Identification of disease subtypes and corresponding biomarkers can substantially improve clinical diagnosis and treatment selection. Discovering these subtypes in noisy, high dimensional biomedical data is often impossible for humans and…

定量方法 · 定量生物学 2020-05-18 Marc-Andre Schulz , Matt Chapman-Rounds , Manisha Verma , Danilo Bzdok , Konstantinos Georgatzis

We present a new approach to encourage neural machine translation to satisfy lexical constraints. Our method acts at the training step and thereby avoiding the introduction of any extra computational overhead at inference step. The proposed…

计算与语言 · 计算机科学 2021-06-08 Melissa Ailem , Jinghsu Liu , Raheel Qader

We investigate the problem of segmenting unlabeled speech into word-like units and clustering these to create a lexicon. Prior work can be categorized into two frameworks. Bottom-up methods first determine boundaries and then cluster the…

音频与语音处理 · 电气工程与系统科学 2025-07-29 Simon Malan , Benjamin van Niekerk , Herman Kamper