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Conditional random field (CRF) and Structural Support Vector Machine (Structural SVM) are two state-of-the-art methods for structured prediction which captures the interdependencies among output variables. The success of these methods is…

机器学习 · 计算机科学 2015-03-19 Qi Mao , Ivor W. Tsang

Discrete undirected graphical models, also known as Markov Random Fields (MRFs), can flexibly encode probabilistic interactions of multiple variables, and have enjoyed successful applications to a wide range of problems. However, a…

机器学习 · 计算机科学 2021-12-08 Guangyao Zhou , Wolfgang Lehrach , Antoine Dedieu , Miguel Lázaro-Gredilla , Dileep George

We consider the problem of learning predictive models from longitudinal data, consisting of irregularly repeated, sparse observations from a set of individuals over time. Such data often exhibit {\em longitudinal correlation} (LC)…

机器学习 · 统计学 2019-11-25 Junjie Liang , Dongkuan Xu , Yiwei Sun , Vasant Honavar

We consider higher-order linear-chain conditional random fields (HO-LC-CRFs) for sequence modelling, and use sum-product networks (SPNs) for representing higher-order input- and output-dependent factors. SPNs are a recently introduced class…

机器学习 · 计算机科学 2018-07-09 Martin Ratajczak , Sebastian Tschiatschek , Franz Pernkopf

While few-shot classification has been widely explored with similarity based methods, few-shot sequence labeling poses a unique challenge as it also calls for modeling the label dependencies. To consider both the item similarity and label…

计算与语言 · 计算机科学 2019-09-10 Yutai Hou , Zhihan Zhou , Yijia Liu , Ning Wang , Wanxiang Che , Han Liu , Ting Liu

In this paper, we propose a variety of Long Short-Term Memory (LSTM) based models for sequence tagging. These models include LSTM networks, bidirectional LSTM (BI-LSTM) networks, LSTM with a Conditional Random Field (CRF) layer (LSTM-CRF)…

计算与语言 · 计算机科学 2015-08-11 Zhiheng Huang , Wei Xu , Kai Yu

Conversational recommender systems (CRS) based on Large Language Models (LLMs) need to constantly be aligned to the user preferences to provide satisfying and context-relevant item recommendations. The traditional supervised fine-tuning…

机器学习 · 计算机科学 2025-08-08 Zhongheng Yang , Aijia Sun , Yushang Zhao , Yinuo Yang , Dannier Li , Chengrui Zhou

Often we wish to predict a large number of variables that depend on each other as well as on other observed variables. Structured prediction methods are essentially a combination of classification and graphical modeling, combining the…

机器学习 · 统计学 2010-11-19 Charles Sutton , Andrew McCallum

Temporal/spatial receptive fields of models play an important role in sequential/spatial tasks. Large receptive fields facilitate long-term relations, while small receptive fields help to capture the local details. Existing methods…

计算机视觉与模式识别 · 计算机科学 2022-06-16 Shanghua Gao , Zhong-Yu Li , Qi Han , Ming-Ming Cheng , Liang Wang

Persuasion aims at forming one's opinion and action via a series of persuasive messages containing persuader's strategies. Due to its potential application in persuasive dialogue systems, the task of persuasive strategy recognition has…

计算与语言 · 计算机科学 2020-11-24 Hui Chen , Deepanway Ghosal , Navonil Majumder , Amir Hussain , Soujanya Poria

Many problems in real-world applications involve predicting several random variables which are statistically related. Markov random fields (MRFs) are a great mathematical tool to encode such relationships. The goal of this paper is to…

机器学习 · 计算机科学 2015-04-29 Liang-Chieh Chen , Alexander G. Schwing , Alan L. Yuille , Raquel Urtasun

Are we using the right potential functions in the Conditional Random Field models that are popular in the Vision community? Semantic segmentation and other pixel-level labelling tasks have made significant progress recently due to the deep…

计算机视觉与模式识别 · 计算机科学 2018-01-03 Måns Larsson , Anurag Arnab , Fredrik Kahl , Shuai Zheng , Philip Torr

Conditional Random Field (CRF) based neural models are among the most performant methods for solving sequence labeling problems. Despite its great success, CRF has the shortcoming of occasionally generating illegal sequences of tags, e.g.…

机器学习 · 计算机科学 2021-03-22 Tianwen Wei , Jianwei Qi , Shenghuan He , Songtao Sun

In this paper, we will show that the recently introduced graphical model: Conditional Random Fields (CRF) provides a template to integrate micro-level information about biological entities into a mathematical model to understand their…

机器学习 · 计算机科学 2020-08-07 Lior Lukov , Sanjay Chawla , Wei Liu , Brett Church , Gaurav Pandey

In the last few years, Recurrent Neural Networks (RNNs) have proved effective on several NLP tasks. Despite such great success, their ability to model \emph{sequence labeling} is still limited. This lead research toward solutions where RNNs…

计算与语言 · 计算机科学 2017-06-07 Yoann Dupont , Marco Dinarelli , Isabelle Tellier

Conditional Random Fields (CRF) have been widely used in a variety of computer vision tasks. Conventional CRFs typically define edges on neighboring image pixels, resulting in a sparse graph such that efficient inference can be performed.…

计算机视觉与模式识别 · 计算机科学 2016-11-17 Peng Wang , Chunhua Shen , Anton van den Hengel

Reinforcement learning from human feedback (RLHF) is widely used to train large language models (LLMs). However, it is unclear whether LLMs accurately learn the underlying preferences in human feedback data. We coin the term \textit{Learned…

机器学习 · 计算机科学 2025-09-22 Luke Marks , Amir Abdullah , Clement Neo , Rauno Arike , David Krueger , Philip Torr , Fazl Barez

Click-through rate (CTR) prediction is a critical task in online advertising and recommender systems, relying on effective modeling of feature interactions. Explicit interactions capture predefined relationships, such as inner products, but…

信息检索 · 计算机科学 2025-05-27 Kefan Wang , Hao Wang , Wei Guo , Yong Liu , Jianghao Lin , Defu Lian , Enhong Chen

Local Feature Matching, an essential component of several computer vision tasks (e.g., structure from motion and visual localization), has been effectively settled by Transformer-based methods. However, these methods only integrate…

计算机视觉与模式识别 · 计算机科学 2023-10-23 Xinyu Zhang , Li Wang , Zhiqiang Jiang , Kun Dai , Tao Xie , Lei Yang , Wenhao Yu , Yang Shen , Jun Li

Many of the state-of-the-art algorithms for gesture recognition are based on Conditional Random Fields (CRFs). Successful approaches, such as the Latent-Dynamic CRFs, extend the CRF by incorporating latent variables, whose values are mapped…

计算机视觉与模式识别 · 计算机科学 2017-04-04 Manoel Horta Ribeiro , Bruno Teixeira , Antônio Otávio Fernandes , Wagner Meira , Erickson R. Nascimento