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We propose a neuralized undirected graphical model called Neural-Hidden-CRF to solve the weakly-supervised sequence labeling problem. Under the umbrella of probabilistic undirected graph theory, the proposed Neural-Hidden-CRF embedded with…

计算与语言 · 计算机科学 2023-10-02 Zhijun Chen , Hailong Sun , Wanhao Zhang , Chunyi Xu , Qianren Mao , Pengpeng Chen

This paper focuses on improving the performance of current convolutional neural networks in visual recognition without changing the network architecture. A hierarchical matcher is proposed that builds chains of local binary neural networks…

计算机视觉与模式识别 · 计算机科学 2018-05-08 Lingfeng Zhang , Ioannis A. Kakadiaris

Classical non-neural dependency parsers put considerable effort on the design of feature functions. Especially, they benefit from information coming from structural features, such as features drawn from neighboring tokens in the dependency…

计算与语言 · 计算机科学 2019-06-05 Agnieszka Falenska , Jonas Kuhn

Current State-of-the-Art models in Named Entity Recognition (NER) are neural models with a Conditional Random Field (CRF) as the final network layer, and pre-trained "contextual embeddings". The CRF layer is used to facilitate global…

计算与语言 · 计算机科学 2021-03-25 Brian Lester , Daniel Pressel , Amy Hemmeter , Sagnik Ray Choudhury

While deep learning has revolutionized research and applications in NLP and computer vision, this has not yet been the case for behavioral modeling and behavioral health applications. This is because the domain's datasets are smaller, have…

机器学习 · 计算机科学 2021-07-14 Mike A. Merrill , Tim Althoff

Translating characters instead of words or word-fragments has the potential to simplify the processing pipeline for neural machine translation (NMT), and improve results by eliminating hyper-parameters and manual feature engineering.…

计算与语言 · 计算机科学 2018-08-30 Colin Cherry , George Foster , Ankur Bapna , Orhan Firat , Wolfgang Macherey

This paper aims to benchmark recent progress in language understanding models that output contextualised representations at the character level. Many such modelling architectures and methods to train those architectures have been proposed,…

计算与语言 · 计算机科学 2023-05-10 Kris Cao

The practice of fine-tuning Pre-trained Language Models (PLMs) from general or domain-specific data to a specific task with limited resources, has gained popularity within the field of natural language processing (NLP). In this work, we…

计算与语言 · 计算机科学 2023-10-31 Samuel Belkadi , Lifeng Han , Yuping Wu , Goran Nenadic

Traditional hand-crafted linguistically-informed features have often been used for distinguishing between translated and original non-translated texts. By contrast, to date, neural architectures without manual feature engineering have been…

This work explores attention models to weight the contribution of local convolutional representations for the instance search task. We present a retrieval framework based on bags of local convolutional features (BLCF) that benefits from…

计算机视觉与模式识别 · 计算机科学 2017-11-30 Eva Mohedano , Kevin McGuinness , Xavier Giro-i-Nieto , Noel E. O'Connor

Multilayer perceptrons (MLPs) learn high frequencies slowly. Recent approaches encode features in spatial bins to improve speed of learning details, but at the cost of larger model size and loss of continuity. Instead, we propose to encode…

计算机视觉与模式识别 · 计算机科学 2022-12-05 Jae Yong Lee , Yuqun Wu , Chuhang Zou , Shenlong Wang , Derek Hoiem

Conditional Random Rields (CRF) have been widely applied in image segmentations. While most studies rely on hand-crafted features, we here propose to exploit a pre-trained large convolutional neural network (CNN) to generate deep features…

计算机视觉与模式识别 · 计算机科学 2015-03-31 Fayao Liu , Guosheng Lin , Chunhua Shen

This paper presents a simple yet very effective data-driven approach to fuse both low-level and high-level local geometric features for 3D rigid data matching. It is a common practice to generate distinctive geometric descriptors by fusing…

计算机视觉与模式识别 · 计算机科学 2019-04-30 Jiaqi Yang , Chen Zhao , Ke Xian , Angfan Zhu , Zhiguo Cao

In the last few years, neural networks have been intensively used to develop meaningful distributed representations of words and contexts around them. When these representations, also known as "embeddings", are learned from unsupervised…

计算与语言 · 计算机科学 2019-08-07 Giuseppe Marra , Andrea Zugarini , Stefano Melacci , Marco Maggini

We propose a new method for input variable selection in nonlinear regression. The method is embedded into a kernel regression machine that can model general nonlinear functions, not being a priori limited to additive models. This is the…

机器学习 · 计算机科学 2018-09-05 Magda Gregorová , Jason Ramapuram , Alexandros Kalousis , Stéphane Marchand-Maillet

The Transformer architecture and transfer learning have marked a quantum leap in natural language processing, improving the state of the art across a range of text-based tasks. This paper examines how these advancements can be applied to…

软件工程 · 计算机科学 2022-08-29 Pasquale Salza , Christoph Schwizer , Jian Gu , Harald C. Gall

We introduce a framework for unsupervised learning of structured predictors with overlapping, global features. Each input's latent representation is predicted conditional on the observable data using a feature-rich conditional random field.…

机器学习 · 计算机科学 2014-11-11 Waleed Ammar , Chris Dyer , Noah A. Smith

We introduce a novel encoder-decoder architecture to embed functional processes into latent vector spaces. This embedding can then be decoded to sample the encoded functions over any arbitrary domain. This autoencoder generalizes the…

机器学习 · 计算机科学 2018-12-14 Marcel Nassar , Xin Wang , Evren Tumer

Convolutional neural networks have been successfully applied to various NLP tasks. However, it is not obvious whether they model different linguistic patterns such as negation, intensification, and clause compositionality to help the…

计算与语言 · 计算机科学 2018-10-23 Mahnaz Koupaee , William Yang Wang

Non-local operations play a crucial role in computer vision enabling the capture of long-range dependencies through weighted sums of features across the input, surpassing the constraints of traditional convolution operations that focus…

计算机视觉与模式识别 · 计算机科学 2024-08-23 Sparsh Gupta , Debanjan Konar , Vaneet Aggarwal