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Hierarchical latent tree analysis (HLTA) is recently proposed as a new method for topic detection. It differs fundamentally from the LDA-based methods in terms of topic definition, topic-document relationship, and learning method. It has…

机器学习 · 计算机科学 2015-08-06 Peixian Chen , Nevin L. Zhang , Leonard K. M. Poon , Zhourong Chen

LDA is a statistical approach for topic modeling with a wide range of applications. However, there exist very few attempts to accelerate LDA on GPUs which come with exceptional computing and memory throughput capabilities. To this end, we…

分布式、并行与集群计算 · 计算机科学 2020-07-20 Shilong Wang , Hang Liu , Anil Gaihre , Hengyong Yu

This paper presents an intertemporal bimodal network to analyze the evolution of the semantic content of a scientific field within the framework of topic modeling, namely using the Latent Dirichlet Allocation (LDA). The main contribution is…

计算与语言 · 计算机科学 2020-02-13 Luigi Di Caro , Marco Guerzoni , Massimiliano Nuccio , Giovanni Siragusa

Long-context inference in LLMs faces the dual challenges of quadratic attention complexity and prohibitive KV cache memory. While token-level sparse attention offers superior accuracy, its indexing overhead is costly; block-level methods…

计算与语言 · 计算机科学 2026-04-10 Yuxuan Hu , Jianchao Tan , Jiaqi Zhang , Wen Zan , Pingwei Sun , Yifan Lu , Yerui Sun , Yuchen Xie , Xunliang Cai , Jing Zhang

As one of the most popular linear subspace learning methods, the Linear Discriminant Analysis (LDA) method has been widely studied in machine learning community and applied to many scientific applications. Traditional LDA minimizes the…

机器学习 · 计算机科学 2019-07-02 Feiping Nie , Hua Wang , Zheng Wang , Heng Huang

Diffusion Large Language Models (dLLMs) enable breakthroughs in reasoning and parallel decoding but suffer from prohibitive quadratic computational complexity and memory overhead during inference. Current caching techniques accelerate…

计算与语言 · 计算机科学 2025-11-06 Yuerong Song , Xiaoran Liu , Ruixiao Li , Zhigeng Liu , Zengfeng Huang , Qipeng Guo , Ziwei He , Xipeng Qiu

In this paper, we propose a method for resume rating using Latent Dirichlet Allocation (LDA) and entity detection with SpaCy. The proposed method first extracts relevant entities such as education, experience, and skills from the resume…

计算与语言 · 计算机科学 2023-08-01 Vidhita Jagwani , Smit Meghani , Krishna Pai , Sudhir Dhage

The increasing volume of short texts generated on social media sites, such as Twitter or Facebook, creates a great demand for effective and efficient topic modeling approaches. While latent Dirichlet allocation (LDA) can be applied, it is…

计算与语言 · 计算机科学 2013-01-29 Jeon-Hyung Kang , Jun Ma , Yan Liu

Long input sequences are central to in-context learning, document understanding, and multi-step reasoning of Large Language Models (LLMs). However, the quadratic attention cost of Transformers makes inference memory-intensive and slow.…

计算与语言 · 计算机科学 2026-02-19 Rujikorn Charakorn , Edoardo Cetin , Shinnosuke Uesaka , Robert Tjarko Lange

The computational difficulties of large language model (LLM) inference remain a significant obstacle to their widespread deployment. The need for many applications to support long input sequences and process them in large batches typically…

机器学习 · 计算机科学 2024-09-05 Luka Ribar , Ivan Chelombiev , Luke Hudlass-Galley , Charlie Blake , Carlo Luschi , Douglas Orr

Current daily paper releases are becoming increasingly large and areas of research are growing in diversity. This makes it harder for scientists to keep up to date with current state of the art and identify relevant work within their lines…

机器学习 · 计算机科学 2020-02-10 Ezequiel Alvarez , Federico Lamagna , Cesar Miquel , Manuel Szewc

Topic modelling in Natural Language Processing uncovers hidden topics in large, unlabelled text datasets. It is widely applied in fields such as information retrieval, content summarisation, and trend analysis across various disciplines.…

计算与语言 · 计算机科学 2025-11-18 Saranzaya Magsarjav , Melissa Humphries , Jonathan Tuke , Lewis Mitchell

Latent variable models have accumulated a considerable amount of interest from the industry and academia for their versatility in a wide range of applications. A large amount of effort has been made to develop systems that is able to extend…

机器学习 · 计算机科学 2015-11-19 Aaron Q. Li , Amr Ahmed , Mu Li , Vanja Josifovski

To solve the big topic modeling problem, we need to reduce both time and space complexities of batch latent Dirichlet allocation (LDA) algorithms. Although parallel LDA algorithms on the multi-processor architecture have low time and space…

机器学习 · 计算机科学 2013-11-19 Jian-Feng Yan , Jia Zeng , Zhi-Qiang Liu , Yang Gao

Latent Dirichlet Allocation(LDA) is a popular topic model. Given the fact that the input corpus of LDA algorithms consists of millions to billions of tokens, the LDA training process is very time-consuming, which may prevent the usage of…

分布式、并行与集群计算 · 计算机科学 2018-03-14 Xiaolong Xie , Yun Liang , Xiuhong Li , Wei Tan

The per-token cost of transformer inference scales with context length, preventing its application to lifelong in-context learning. Linear attention is an efficient alternative that maintains a constant memory footprint, even on infinite…

计算与语言 · 计算机科学 2025-10-01 Luke McDermott , Robert W. Heath , Rahul Parhi

Although transformer architectures have achieved state-of-the-art performance across diverse domains, their quadratic computational complexity with respect to sequence length remains a significant bottleneck, particularly for…

计算与语言 · 计算机科学 2025-11-05 Zeyu Liu , Souvik Kundu , Lianghao Jiang , Anni Li , Srikanth Ronanki , Sravan Bodapati , Gourav Datta , Peter A. Beerel

Open domain question answering (ODQA) is a longstanding task aimed at answering factual questions from a large knowledge corpus without any explicit evidence in natural language processing (NLP). Recent works have predominantly focused on…

计算与语言 · 计算机科学 2022-11-16 Qin Zhang , Shangsi Chen , Dongkuan Xu , Qingqing Cao , Xiaojun Chen , Trevor Cohn , Meng Fang

Block-wise diffusion language models (DLMs) generate multiple tokens in any order, offering a promising alternative to the autoregressive decoding pipeline. However, they still remain bottlenecked by memory-bound attention in long-context…

Background: Unstructured and textual data is increasing rapidly and Latent Dirichlet Allocation (LDA) topic modeling is a popular data analysis methods for it. Past work suggests that instability of LDA topics may lead to systematic errors.…

计算与语言 · 计算机科学 2018-09-04 Mika Mäntylä , Maëlick Claes , Umar Farooq