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Topic models are one of the most popular methods for learning representations of text, but a major challenge is that any change to the topic model requires mathematically deriving a new inference algorithm. A promising approach to address…

Machine Learning · Statistics 2017-03-07 Akash Srivastava , Charles Sutton

Storytelling is a powerful form of communication and may provide insights into factors contributing to gaps in healthcare outcomes. To determine whether Large Language Models (LLMs) can identify potential underlying factors and avenues for…

Computers and Society · Computer Science 2025-10-30 Maneesh Bilalpur , Megan Hamm , Young Ji Lee , Natasha Norman , Kathleen M. McTigue , Yanshan Wang

This paper presents a modular approach to accelerate inference in large language models (LLMs) by adding early exit heads at intermediate transformer layers. Each head is trained in a self-supervised manner to mimic the main model's…

Computation and Language · Computer Science 2026-02-13 Florian Valade

In the rapidly evolving field of large language models (LLMs), data augmentation (DA) has emerged as a pivotal technique for enhancing model performance by diversifying training examples without the need for additional data collection. This…

Computation and Language · Computer Science 2024-07-03 Bosheng Ding , Chengwei Qin , Ruochen Zhao , Tianze Luo , Xinze Li , Guizhen Chen , Wenhan Xia , Junjie Hu , Anh Tuan Luu , Shafiq Joty

Large Language Models (LLMs) have been showing promising results for various NLP-tasks without the explicit need to be trained for these tasks by using few-shot or zero-shot prompting techniques. A common NLP-task is question-answering…

Computation and Language · Computer Science 2024-12-18 Kevin Fischer , Darren Fürst , Sebastian Steindl , Jakob Lindner , Ulrich Schäfer

Large language models (LLMs) are increasingly used to assist ideation in research, but evaluating the quality of LLM-generated research proposals remains difficult: novelty and soundness are hard to measure automatically, and large-scale…

Computation and Language · Computer Science 2026-05-27 Heng Wang , Pengcheng Jiang , Jiashuo Sun , Zhiyi Shi , Haofei Yu , Jiawei Han , Heng Ji

Sequential recommender systems have achieved significant success in modeling temporal user behavior but remain limited in capturing rich user semantics beyond interaction patterns. Large Language Models (LLMs) present opportunities to…

In this article we propose and validate an unsupervised probabilistic model, Gaussian Latent Dirichlet Allocation (GLDA), for the problem of discrete state discovery from repeated, multivariate psychophysiological samples collected from…

Machine Learning · Computer Science 2022-06-30 Congyu Wu , Aaron Fisher , David Schnyer

Hyper-parameters play a major role in the learning and inference process of latent Dirichlet allocation (LDA). In order to begin the LDA latent variables learning process, these hyper-parameters values need to be pre-determined. We propose…

Machine Learning · Computer Science 2016-03-01 Osama Khalifa , David Wolfe Corne , Mike Chantler

A key challenge in Multi-Document Summarization (MDS) is effectively integrating information from multiple sources while maintaining coherence and topical relevance. While Large Language Models have shown impressive results in…

Computation and Language · Computer Science 2025-09-15 Chuyuan Li , Austin Xu , Shafiq Joty , Giuseppe Carenini

It has been shown that Large Language Models' (LLMs) performance can be improved for many tasks using Chain of Thought (CoT) or In-Context Learning (ICL), which involve demonstrating the steps needed to solve a task using a few examples.…

Computation and Language · Computer Science 2024-10-15 Joseph Shtok , Amit Alfassy , Foad Abo Dahood , Eliyahu Schwartz , Sivan Doveh , Assaf Arbelle

The integration of large language models (LLMs) into automated algorithm design has shown promising potential. A prevalent approach embeds LLMs within search routines to iteratively generate and refine candidate algorithms. However, most…

Machine Learning · Computer Science 2026-05-20 Fei Liu , Rui Zhang , Xi Lin , Zhichao Lu , Qingfu Zhang

The problem of searching for experts in a given academic field is hugely important in both industry and academia. We study exactly this issue with respect to a database of authors and their publications. The idea is to use Latent Semantic…

Social and Information Networks · Computer Science 2013-11-26 Charanpal Dhanjal , Stéphan Clémençon

We propose a novel approach for decision making problems leveraging the generalization capabilities of large language models (LLMs). Traditional methods such as expert systems, planning algorithms, and reinforcement learning often exhibit…

Computation and Language · Computer Science 2024-08-13 Yu Zhang , Haoxiang Liu , Feijun Jiang , Weihua Luo , Kaifu Zhang

Large Language Models (LLMs) exhibit strong capabilities in text processing, and recent research has augmented SQL and DataFrame with LLM-powered semantic operators for data analysis. However, LLM-based data processing is hindered by slower…

Databases · Computer Science 2026-03-10 Chao Hui , Weizheng Lu , Yanjie Gao , Lingfeng Xiong , Yunhai Wang , Yueguo Chen

The expectation-maximization (EM) algorithm can compute the maximum-likelihood (ML) or maximum a posterior (MAP) point estimate of the mixture models or latent variable models such as latent Dirichlet allocation (LDA), which has been one of…

Machine Learning · Computer Science 2015-12-08 Jia Zeng , Zhi-Qiang Liu , Xiao-Qin Cao

This paper introduces a simple and scalable approach to improve the data efficiency of large language model (LLM) training by augmenting existing text data with thinking trajectories. The compute for pre-training LLMs has been growing at an…

Computation and Language · Computer Science 2025-10-20 Liang Wang , Nan Yang , Shaohan Huang , Li Dong , Furu Wei

A common way to explore text corpora is through low-dimensional projections of the documents, where one hopes that thematically similar documents will be clustered together in the projected space. However, popular algorithms for…

Computation and Language · Computer Science 2023-08-04 Charumathi Badrinath , Weiwei Pan , Finale Doshi-Velez

Topic modeling has become a crucial method for analyzing text data, particularly for extracting meaningful insights from large collections of documents. However, the output of these models typically consists of lists of keywords that…

Information Retrieval · Computer Science 2025-02-27 Trishia Khandelwal

Large Language Models (LLMs) are important tools for reasoning and problem-solving, while they often operate passively, answering questions without actively discovering new ones. This limitation reduces their ability to simulate human-like…

Computational Engineering, Finance, and Science · Computer Science 2025-09-26 Hong Su