中文
相关论文

相关论文: Topic Stability over Noisy Sources

200 篇论文

Intent Classification (IC) and Slot Labeling (SL) models, which form the basis of dialogue systems, often encounter noisy data in real-word environments. In this work, we investigate how robust IC/SL models are to noisy data. We collect and…

计算与语言 · 计算机科学 2021-11-03 Sailik Sengupta , Jason Krone , Saab Mansour

This article presents a probabilistic generative model for text based on semantic topics and syntactic classes called Part-of-Speech LDA (POSLDA). POSLDA simultaneously uncovers short-range syntactic patterns (syntax) and long-range…

计算与语言 · 计算机科学 2013-03-13 William M. Darling , Fei Song

Legacy procedures for topic modelling have generally suffered problems of overfitting and a weakness towards reconstructing sparse topic structures. With motivation from a consumer-generated corpora, this paper proposes semiparametric topic…

计算与语言 · 计算机科学 2025-03-05 Dominic B. Dayta , Erniel B. Barrios

Optical Character Recognition (OCR) plays a crucial role in digitizing historical and multilingual documents, yet OCR errors - imperfect extraction of text, including character insertion, deletion, and substitution can significantly impact…

计算与语言 · 计算机科学 2025-09-22 Bhawna Piryani , Jamshid Mozafari , Abdelrahman Abdallah , Antoine Doucet , Adam Jatowt

Generating multiple distinct subjects remains a challenge for existing text-to-image diffusion models. Complex prompts often lead to subject leakage, causing inaccuracies in quantities, attributes, and visual features. Preventing leakage…

计算机视觉与模式识别 · 计算机科学 2025-05-28 Omer Dahary , Yehonathan Cohen , Or Patashnik , Kfir Aberman , Daniel Cohen-Or

Machine learning models have recently enjoyed a significant increase in size and popularity. However, this growth has created concerns about dataset privacy. To counteract data leakage, various privacy frameworks guarantee that the output…

机器学习 · 计算机科学 2024-06-05 Coleman DuPlessie , Aidan Gao

While unbiased machine learning models are essential for many applications, bias is a human-defined concept that can vary across tasks. Given only input-label pairs, algorithms may lack sufficient information to distinguish stable (causal)…

机器学习 · 计算机科学 2022-06-28 Yujia Bao , Shiyu Chang , Regina Barzilay

Besides the text content, documents and their associated words usually come with rich sets of meta informa- tion, such as categories of documents and semantic/syntactic features of words, like those encoded in word embeddings. Incorporating…

计算与语言 · 计算机科学 2017-09-20 He Zhao , Lan Du , Wray Buntine , Gang Liu

Recent advancements in Automatic Piano Transcription (APT) have significantly improved system performance, but the impact of noisy environments on the system performance remains largely unexplored. This study investigates the impact of…

声音 · 计算机科学 2024-10-21 Yonghyun Kim , Alexander Lerch

Topic modeling is a well-established technique for exploring text corpora. Conventional topic models (e.g., LDA) represent topics as bags of words that often require "reading the tea leaves" to interpret; additionally, they offer users…

计算与语言 · 计算机科学 2024-04-03 Chau Minh Pham , Alexander Hoyle , Simeng Sun , Philip Resnik , Mohit Iyyer

Topic models have been widely used in discovering latent topics which are shared across documents in text mining. Vector representations, word embeddings and topic embeddings, map words and topics into a low-dimensional and dense real-value…

计算与语言 · 计算机科学 2017-02-24 Jarvan Law , Hankz Hankui Zhuo , Junhua He , Erhu Rong

This paper introduces the Luca-Noise Reflex Protocol (LN-RP), a computational framework for analyzing noise-driven persona emergence in large language models. By injecting stochastic noise seeds into the initial generation state, we observe…

计算与语言 · 计算机科学 2026-01-01 Toshiyuki Shigemura

We study speech language models that incorporate semantic initialization and planning losses to achieve robust and consistent generation. Our approach initializes speech tokens with self-supervised features, applies a light alignment loss,…

计算与语言 · 计算机科学 2025-10-01 Morteza Rohanian , Michael Krauthammer

Analyzing journals and articles abstract text or documents using topic modelling and text clustering has become a modern solution for the increasing number of text documents. Topic modelling and text clustering are both intensely involved…

信息检索 · 计算机科学 2025-08-25 Shadikur Rahman , Umme Ayman Koana , Aras M. Ismael , Karmand Hussein Abdalla

Existing studies have investigated the tendency of autoregressive language models to generate contexts that exhibit undesired biases and toxicity. Various debiasing approaches have been proposed, which are primarily categorized into…

计算与语言 · 计算机科学 2022-05-03 Yoon A Park , Frank Rudzicz

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

Topic models are one of the compelling methods for discovering latent semantics in a document collection. However, it assumes that a document has sufficient co-occurrence information to be effective. However, in short texts, co-occurrence…

计算与语言 · 计算机科学 2023-10-25 Pritom Saha Akash , Jie Huang , Kevin Chen-Chuan Chang

This paper introduces new techniques for using convex optimization to fit input-output data to a class of stable nonlinear dynamical models. We present an algorithm that guarantees consistent estimates of models in this class when a small…

最优化与控制 · 数学 2013-03-19 Mark M. Tobenkin , Ian R. Manchester , Alexandre Megretski

Nowadays, data analysis has become a problem as the amount of data is constantly increasing. In order to overcome this problem in textual data, many models and methods are used in natural language processing. The topic modeling field is one…

计算与语言 · 计算机科学 2021-10-22 Zekeriya Anil Guven , Banu Diri , Tolgahan Cakaloglu

Recently, zero-shot text-to-speech (TTS) systems, capable of synthesizing any speaker's voice from a short audio prompt, have made rapid advancements. However, the quality of the generated speech significantly deteriorates when the audio…

音频与语音处理 · 电气工程与系统科学 2024-06-11 Xiaofei Wang , Sefik Emre Eskimez , Manthan Thakker , Hemin Yang , Zirun Zhu , Min Tang , Yufei Xia , Jinzhu Li , Sheng Zhao , Jinyu Li , Naoyuki Kanda