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Computational models of pragmatic language use have traditionally relied on hand-specified sets of utterances and meanings, limiting their applicability to real-world language use. We propose a neuro-symbolic framework that enhances…

计算与语言 · 计算机科学 2025-06-03 Polina Tsvilodub , Robert D. Hawkins , Michael Franke

Retrieval-augmented generation (RAG) systems rely on accurate document retrieval to ground large language models (LLMs) in external knowledge, yet retrieval quality often degrades in corpora where topics overlap and thematic variation is…

信息检索 · 计算机科学 2026-01-06 Rodrigo Kataishi

Topic evolution modeling has been researched for a long time and has gained considerable interest. A state-of-the-art method has been recently using word modeling algorithms in combination with community detection mechanisms to achieve…

计算与语言 · 计算机科学 2019-12-17 Patrick Kiss , Elaheh Momeni

This paper presents an unsupervised framework for jointly modeling topic content and discourse behavior in microblog conversations. Concretely, we propose a neural model to discover word clusters indicating what a conversation concerns…

计算与语言 · 计算机科学 2019-03-19 Jichuan Zeng , Jing Li , Yulan He , Cuiyun Gao , Michael R. Lyu , Irwin King

The remarkable success of Large Language Models (LLMs) has ushered natural language processing (NLP) research into a new era. Despite their diverse capabilities, LLMs trained on different corpora exhibit varying strengths and weaknesses,…

计算与语言 · 计算机科学 2024-07-09 Jinliang Lu , Ziliang Pang , Min Xiao , Yaochen Zhu , Rui Xia , Jiajun Zhang

Topic models are some of the most popular ways to represent textual data in an interpret-able manner. Recently, advances in deep generative models, specifically auto-encoding variational Bayes (AEVB), have led to the introduction of…

信息检索 · 计算机科学 2022-04-08 Jeffrey Chiu , Rajat Mittal , Neehal Tumma , Abhishek Sharma , Finale Doshi-Velez

An exhaustive study on neural network language modeling (NNLM) is performed in this paper. Different architectures of basic neural network language models are described and examined. A number of different improvements over basic neural…

计算与语言 · 计算机科学 2017-08-25 Dengliang Shi

Many classification models work poorly on short texts due to data sparsity. To address this issue, we propose topic memory networks for short text classification with a novel topic memory mechanism to encode latent topic representations…

计算与语言 · 计算机科学 2018-09-12 Jichuan Zeng , Jing Li , Yan Song , Cuiyun Gao , Michael R. Lyu , Irwin King

In recent years, we have witnessed a dramatic shift towards techniques driven by neural networks for a variety of NLP tasks. Undoubtedly, neural language models (NLMs) have reduced perplexity by impressive amounts. This progress, however,…

计算与语言 · 计算机科学 2018-11-05 Raphael Tang , Jimmy Lin

Recently, prompt tuning \cite{lester2021power} has gradually become a new paradigm for NLP, which only depends on the representation of the words by freezing the parameters of pre-trained language models (PLMs) to obtain remarkable…

计算与语言 · 计算机科学 2022-01-31 Pan He , Yuxi Chen , Yan Wang , Yanru Zhang

Conventional diffusion models typically relies on a fixed forward process, which implicitly defines complex marginal distributions over latent variables. This can often complicate the reverse process' task in learning generative…

机器学习 · 统计学 2025-06-10 Grigory Bartosh , Dmitry Vetrov , Christian A. Naesseth

In various work contexts, such as meeting scheduling, collaborating, and project planning, collective decision-making is essential but often challenging due to diverse individual preferences, varying work focuses, and power dynamics among…

计算与语言 · 计算机科学 2025-08-13 Marios Papachristou , Longqi Yang , Chin-Chia Hsu

Recent advancements in large language models (LLMs) have shown promising results in multilingual translation even with limited bilingual supervision. The major challenges are catastrophic forgetting and parameter interference for finetuning…

计算与语言 · 计算机科学 2024-10-01 Shaolin Zhu , Leiyu Pan , Bo Li , Deyi Xiong

We consider probabilistic topic models and more recent word embedding techniques from a perspective of learning hidden semantic representations. Inspired by a striking similarity of the two approaches, we merge them and learn probabilistic…

计算与语言 · 计算机科学 2017-11-15 Anna Potapenko , Artem Popov , Konstantin Vorontsov

Topic models are a popular approach for extracting semantic information from large document collections. However, recent studies suggest that the topics generated by these models often do not align well with human intentions. Although…

信息检索 · 计算机科学 2025-02-10 Mayank Nagda , Phil Ostheimer , Sophie Fellenz

Integrating General Models (GMs) such as Large Language Models (LLMs), with Specialized Models (SMs) in autonomous driving tasks presents a promising approach to mitigating challenges in data diversity and model capacity of existing…

机器人学 · 计算机科学 2025-09-03 Ren Xin , Hongji Liu , Xiaodong Mei , Wenru Liu , Maosheng Ye , Zhili Chen , Jun Ma

Deep learning (DL) based language models achieve high performance on various benchmarks for Natural Language Inference (NLI). And at this time, symbolic approaches to NLI are receiving less attention. Both approaches (symbolic and DL) have…

计算与语言 · 计算机科学 2021-06-11 Zeming Chen , Qiyue Gao , Lawrence S. Moss

Current topic models often suffer from discovering topics not matching human intuition, unnatural switching of topics within documents and high computational demands. We address these concerns by proposing a topic model and an inference…

计算与语言 · 计算机科学 2018-02-06 Johannes Schneider

Large Language Models (LLMs) have shown remarkable reasoning capabilities in mathematical and scientific tasks. To enhance complex reasoning, multi-agent systems have been proposed to harness the collective intelligence of LLM agents.…

人工智能 · 计算机科学 2025-10-22 Zhenyu Bi , Meng Lu , Yang Li , Swastik Roy , Weijie Guan , Morteza Ziyadi , Xuan Wang

Large-scale models have exhibited remarkable capabilities across diverse domains, including automated medical services and intelligent customer support. However, as most large models are trained on single-modality corpora, enabling them to…

计算机视觉与模式识别 · 计算机科学 2025-08-26 Hao Sun , Yu Song , Jiaqing Liu , Jihong Hu , Yen-Wei Chen , Lanfen Lin