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Related papers: A New Approach to Speeding Up Topic Modeling

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We analyze methods for selecting topics in news articles to explain stock returns. We find, through empirical and theoretical results, that supervised Latent Dirichlet Allocation (sLDA) implemented through Gibbs sampling in a stochastic EM…

Statistical Finance · Quantitative Finance 2020-10-16 Paul Glasserman , Kriste Krstovski , Paul Laliberte , Harry Mamaysky

Advanced persistent threats (APTs) pose significant challenges for organizations, leading to data breaches, financial losses, and reputational damage. Existing provenance-based approaches for APT detection often struggle with high false…

Cryptography and Security · Computer Science 2024-06-11 Yonatan Amaru , Prasanna Wudali , Yuval Elovici , Asaf Shabtai

In this project we outline Vedalia, a high performance distributed network for performing inference on latent variable models in the context of Amazon review visualization. We introduce a new model, RLDA, which extends Latent Dirichlet…

Machine Learning · Computer Science 2015-10-27 Joseph W Robinson , Aaron Q Li

Extracting and identifying latent topics in large text corpora has gained increasing importance in Natural Language Processing (NLP). Most models, whether probabilistic models similar to Latent Dirichlet Allocation (LDA) or neural topic…

Computation and Language · Computer Science 2023-03-31 Anton Thielmann , Quentin Seifert , Arik Reuter , Elisabeth Bergherr , Benjamin Säfken

We introduce incremental variational inference and apply it to latent Dirichlet allocation (LDA). Incremental variational inference is inspired by incremental EM and provides an alternative to stochastic variational inference. Incremental…

Machine Learning · Statistics 2015-07-23 Cedric Archambeau , Beyza Ermis

To address the high sampling cost of Diffusion Transformers (DiTs), feature caching offers a training-free acceleration method. However, existing methods rely on hand-crafted forecasting formulas that fail under aggressive skipping. We…

Computer Vision and Pattern Recognition · Computer Science 2026-04-30 Zhirong Shen , Rui Huang , Jiacheng Liu , Chang Zou , Peiliang Cai , Shikang Zheng , Zhengyi Shi , Liang Feng , Linfeng Zhang

Recent years have witnessed a surge of interests of using neural topic models for automatic topic extraction from text, since they avoid the complicated mathematical derivations for model inference as in traditional topic models such as…

Computation and Language · Computer Science 2020-04-28 Rui Wang , Xuemeng Hu , Deyu Zhou , Yulan He , Yuxuan Xiong , Chenchen Ye , Haiyang Xu

We describe the use of Non-Negative Matrix Factorization (NMF) and Latent Dirichlet Allocation (LDA) algorithms to perform topic mining and labelling applied to retail customer communications in attempt to characterize the subject of…

Machine Learning · Computer Science 2019-12-20 Rashid Mehdiyev , Jean Nava , Karan Sodhi , Saurav Acharya , Annie Ibrahim Rana

An initial procedure in text-as-data applications is text preprocessing. One of the typical steps, which can substantially facilitate computations, consists in removing infrequent words believed to provide limited information about the…

Computation and Language · Computer Science 2023-11-27 Victor Bystrov , Viktoriia Naboka-Krell , Anna Staszewska-Bystrova , Peter Winker

Fine-tuning and inference with large Language Models (LM) are generally known to be expensive. Parameter-efficient fine-tuning over pretrained LMs reduces training memory by updating a small number of LM parameters but does not improve…

Computation and Language · Computer Science 2024-06-05 Bowen Zhao , Hannaneh Hajishirzi , Qingqing Cao

Despite tremendous progress achieved in temporal action detection, state-of-the-art methods still suffer from the sharp performance deterioration when localizing the starting and ending temporal action boundaries. Although most methods…

Computer Vision and Pattern Recognition · Computer Science 2019-12-17 Weijie Kong , Nannan Li , Shan Liu , Thomas Li , Ge Li

Large language models (LLMs) have achieved significant success across various domains. However, training these LLMs typically involves substantial memory and computational costs during both forward and backward propagation. While…

Machine Learning · Computer Science 2025-03-03 Sunghyeon Woo , Baeseong Park , Byeongwook Kim , Minjung Jo , Se Jung Kwon , Dongsuk Jeon , Dongsoo Lee

Optimizing the advertiser's cumulative value of winning impressions under budget constraints poses a complex challenge in online advertising, under the paradigm of AI-Generated Bidding (AIGB). Advertisers often have personalized objectives…

Artificial Intelligence · Computer Science 2026-01-22 Mingxuan Song , Yusen Huo , Bohan Zhou , Shenglin Yin , Zhen Xiao , Jieyi Long , Zhilin Zhang , Chuan Yu

A major problem with Active Learning (AL) is high training costs since models are typically retrained from scratch after every query round. We start by demonstrating that standard AL on neural networks with warm starting fails, both to…

Machine Learning · Computer Science 2023-12-14 Arnav Das , Gantavya Bhatt , Megh Bhalerao , Vianne Gao , Rui Yang , Jeff Bilmes

Large Language Models (LLMs) can be fine-tuned on domain-specific data to enhance their performance in specialized fields. However, such data often contains numerous low-quality samples, necessitating effective data processing (DP). In…

Machine Learning · Computer Science 2026-05-08 Wei Huang , Anda Cheng , Yinggui Wang , Lei Wang , Tao Wei

Deductive coding is a widely used qualitative research method for determining the prevalence of themes across documents. While useful, deductive coding is often burdensome and time consuming since it requires researchers to read, interpret,…

Computation and Language · Computer Science 2023-06-28 Robert Chew , John Bollenbacher , Michael Wenger , Jessica Speer , Annice Kim

Social network analysis (SNA), which is a research field describing and modeling the social connection of a certain group of people, is popular among network services. Our topic words analysis project is a SNA method to visualize the topic…

Social and Information Networks · Computer Science 2014-05-16 Xi Qiu , Christopher Stewart

Distributed training increases the number of batches processed per iteration either by scaling-out (adding more nodes) or scaling-up (increasing the batch-size). However, the largest configuration does not necessarily yield the best…

Machine Learning · Computer Science 2026-03-20 Sahil Tyagi , Feiyi Wang

Generating user interpretable multi-class predictions in data rich environments with many classes and explanatory covariates is a daunting task. We introduce Diagonal Orthant Latent Dirichlet Allocation (DOLDA), a supervised topic model for…

Machine Learning · Statistics 2016-10-21 Måns Magnusson , Leif Jonsson , Mattias Villani

Data generation and labeling are often expensive in robot learning. Preference-based learning is a concept that enables reliable labeling by querying users with preference questions. Active querying methods are commonly employed in…

Machine Learning · Computer Science 2024-02-27 Erdem Bıyık , Nima Anari , Dorsa Sadigh