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We study supervised learning problems using clustering constraints to impose structure on either features or samples, seeking to help both prediction and interpretation. The problem of clustering features arises naturally in text…

机器学习 · 计算机科学 2016-09-20 Vincent Roulet , Fajwel Fogel , Alexandre d'Aspremont , Francis Bach

This paper (cmp-lg/yymmnnn) has been accepted for publication in the student session of EACL-95. It outlines ongoing work using statistical and unsupervised neural network methods for clustering words in untagged corpora. Such approaches…

cmp-lg · 计算机科学 2008-02-03 Christopher C. Huckle

Real-world networks often come with side information that can help to improve the performance of network analysis tasks such as clustering. Despite a large number of empirical and theoretical studies conducted on network clustering methods…

机器学习 · 统计学 2022-07-29 Guillaume Braun , Hemant Tyagi , Christophe Biernacki

This paper presents a new Bayesian non-parametric model by extending the usage of Hierarchical Dirichlet Allocation to extract tree structured word clusters from text data. The inference algorithm of the model collects words in a cluster if…

计算与语言 · 计算机科学 2016-01-22 Halid Ziya Yerebakan , Fitsum Reda , Yiqiang Zhan , Yoshihisa Shinagawa

Biclustering involves the simultaneous clustering of objects and their attributes, thus defining local two-way clustering models. Recently, efficient algorithms were conceived to enumerate all biclusters in real-valued datasets. In this…

机器学习 · 计算机科学 2015-06-04 Saullo Haniell Galvão de Oliveira , Rosana Veroneze , Fernando José Von Zuben

We propose In-Context Clustering (ICC), a flexible LLM-based procedure for clustering data from diverse distributions. Unlike traditional clustering algorithms constrained by predefined similarity measures, ICC flexibly captures complex…

机器学习 · 计算机科学 2025-10-10 Ying Wang , Mengye Ren , Andrew Gordon Wilson

Assisted text input techniques can save time and effort and improve text quality. In this paper, we investigate how grounded and conditional extensions to standard neural language models can bring improvements in the tasks of word…

计算与语言 · 计算机科学 2016-10-21 Georgios P. Spithourakis , Steffen E. Petersen , Sebastian Riedel

Brown clustering is a hard, hierarchical, bottom-up clustering of words in a vocabulary. Words are assigned to clusters based on their usage pattern in a given corpus. The resulting clusters and hierarchical structure can be used in…

计算与语言 · 计算机科学 2016-08-05 Manuel R. Ciosici

Text clustering aims to automatically partition a collection of documents into coherent groups based on their linguistic features. In the literature, this task is formulated either as metric clustering over pre-trained text embeddings or as…

计算与语言 · 计算机科学 2025-08-22 Hongtao Wang , Taiyan Zhang , Renchi Yang , Jianliang Xu

Sentence embedding models aim to provide general purpose embeddings for sentences. Most of the models studied in this paper claim to perform well on STS tasks - but they do not report on their suitability for clustering. This paper looks at…

计算与语言 · 计算机科学 2021-04-19 Kees Varekamp

In recent years, Large Language Models (LLMs) have garnered significant attention from the research community due to their exceptional performance and generalization capabilities. In this paper, we introduce a novel method for…

音频与语音处理 · 电气工程与系统科学 2023-09-21 Egor Lakomkin , Chunyang Wu , Yassir Fathullah , Ozlem Kalinli , Michael L. Seltzer , Christian Fuegen

Cross-lingual context retrieval (extracting contextual information in one language based on requests in another) is a fundamental aspect of cross-lingual alignment, but the performance and mechanism of it for large language models (LLMs)…

计算与语言 · 计算机科学 2025-10-21 Changjiang Gao , Hankun Lin , Xin Huang , Xue Han , Junlan Feng , Chao Deng , Jiajun Chen , Shujian Huang

Text clustering serves as a fundamental technique for organizing and interpreting unstructured textual data, particularly in contexts where manual annotation is prohibitively costly. With the rapid advancement of Large Language Models…

计算与语言 · 计算机科学 2025-10-08 Chen Huang , Guoxiu He

Recent work incorporates pre-trained word embeddings such as BERT embeddings into Neural Topic Models (NTMs), generating highly coherent topics. However, with high-quality contextualized document representations, do we really need…

计算与语言 · 计算机科学 2022-04-22 Zihan Zhang , Meng Fang , Ling Chen , Mohammad-Reza Namazi-Rad

Clustering is one of the main tasks in exploratory data analysis and descriptive statistics where the main objective is partitioning observations in groups. Clustering has a broad range of application in varied domains like climate,…

数据库 · 计算机科学 2012-03-20 Saptarsi Goswami , Amlan Chakrabarti

A new language model for speech recognition inspired by linguistic analysis is presented. The model develops hidden hierarchical structure incrementally and uses it to extract meaningful information from the word history - thus enabling the…

计算与语言 · 计算机科学 2007-05-23 Ciprian Chelba , Frederick Jelinek

When reading a text, it is common to become stuck on unfamiliar words and phrases, such as polysemous words with novel senses, rarely used idioms, internet slang, or emerging entities. If we humans cannot figure out the meaning of those…

Language models significantly benefit from context tokens, such as prompts or scratchpads. They perform better when prompted with informative instructions, and they acquire new reasoning capabilities by generating a scratch-pad before…

计算与语言 · 计算机科学 2022-10-03 Charlie Snell , Dan Klein , Ruiqi Zhong

Data analysis and machine learning are of preeminent importance in the legal domain, especially in tasks like clustering and text classification. In this study, we harnessed the power of natural language processing tools to enhance datasets…

Most previous work on the recently developed language-modeling approach to information retrieval focuses on document-specific characteristics, and therefore does not take into account the structure of the surrounding corpus. We propose a…

信息检索 · 计算机科学 2007-05-23 Oren Kurland , Lillian Lee