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相关论文: Polarity and Subjectivity Detection with Multitask…

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Multitask learning aims at solving a set of related tasks simultaneously, by exploiting the shared knowledge for improving the performance on individual tasks. Hence, an important aspect of multitask learning is to understand the…

机器学习 · 计算机科学 2019-10-22 Changjian Shui , Mahdieh Abbasi , Louis-Émile Robitaille , Boyu Wang , Christian Gagné

We present two deep learning approaches to narrative text understanding for character relationship modelling. The temporal evolution of these relations is described by dynamic word embeddings, that are designed to learn semantic changes…

计算与语言 · 计算机科学 2020-03-20 Vani K , Simone Mellace , Alessandro Antonucci

Recent work has shown that pre-trained language models such as BERT improve robustness to spurious correlations in the dataset. Intrigued by these results, we find that the key to their success is generalization from a small amount of…

计算与语言 · 计算机科学 2020-08-12 Lifu Tu , Garima Lalwani , Spandana Gella , He He

Semantic parsing is the task of transforming sentences from natural language into formal representations of predicate-argument structures. Under this research area, frame-semantic parsing has attracted much interest. This parsing approach…

计算与语言 · 计算机科学 2019-11-01 Sang-Sang Tan , Jin-Cheon Na

Word embeddings (e.g., word2vec) have been applied successfully to eCommerce products through~\textit{prod2vec}. Inspired by the recent performance improvements on several NLP tasks brought by contextualized embeddings, we propose to…

计算与语言 · 计算机科学 2021-06-24 Federico Bianchi , Bingqing Yu , Jacopo Tagliabue

Most state-of-the-art Deep Learning systems for speaker verification are based on speaker embedding extractors. These architectures are commonly composed of a feature extractor front-end together with a pooling layer to encode…

音频与语音处理 · 电气工程与系统科学 2021-01-12 Miquel India , Pooyan Safari , Javier Hernando

Despite the recent advances in multi-task learning of dense prediction problems, most methods rely on expensive labelled datasets. In this paper, we present a label efficient approach and look at jointly learning of multiple dense…

计算机视觉与模式识别 · 计算机科学 2022-05-05 Wei-Hong Li , Xialei Liu , Hakan Bilen

The application of machine learning techniques to large-scale personalized recommendation problems is a challenging task. Such systems must make sense of enormous amounts of implicit feedback in order to understand user preferences across…

信息检索 · 计算机科学 2019-01-15 Thom Lake , Sinead A. Williamson , Alexander T. Hawk , Christopher C. Johnson , Benjamin P. Wing

Aspect-based sentiment analysis (ABSA) task is a multi-grained task of natural language processing and consists of two subtasks: aspect term extraction (ATE) and aspect polarity classification (APC). Most of the existing work focuses on the…

计算与语言 · 计算机科学 2020-02-13 Heng Yang , Biqing Zeng , JianHao Yang , Youwei Song , Ruyang Xu

This paper presents our system for SemEval-2026 Task 9: Detecting Multilingual, Multicultural and Multievent Online Polarization, which identifies polarized social media content in 22 languages through three subtasks: binary detection,…

计算与语言 · 计算机科学 2026-05-12 Fengze Guo , Yue Chang

Multi-task learning has shown to significantly enhance the performance of multiple related learning tasks in a variety of situations. We present the fused logistic regression, a sparse multi-task learning approach for binary classification.…

机器学习 · 统计学 2013-12-31 Venelin Mitov , Manfred Claassen

Article prediction is a task that has long defied accurate linguistic description. As such, this task is ideally suited to evaluate models on their ability to emulate native-speaker intuition. To this end, we compare the performance of…

计算与语言 · 计算机科学 2022-06-10 Harish Tayyar Madabushi , Dagmar Divjak , Petar Milin

Current multimodal sentiment analysis frames sentiment score prediction as a general Machine Learning task. However, what the sentiment score actually represents has often been overlooked. As a measurement of opinions and affective states,…

计算与语言 · 计算机科学 2018-07-05 Leimin Tian , Catherine Lai , Johanna D. Moore

We introduce SpERT, an attention model for span-based joint entity and relation extraction. Our key contribution is a light-weight reasoning on BERT embeddings, which features entity recognition and filtering, as well as relation…

计算与语言 · 计算机科学 2021-06-30 Markus Eberts , Adrian Ulges

We introduce SetBERT, a fine-tuned BERT-based model designed to enhance query embeddings for set operations and Boolean logic queries, such as Intersection (AND), Difference (NOT), and Union (OR). SetBERT significantly improves retrieval…

计算与语言 · 计算机科学 2024-06-27 Quan Mai , Susan Gauch , Douglas Adams

Subjective bias detection is critical for applications like propaganda detection, content recommendation, sentiment analysis, and bias neutralization. This bias is introduced in natural language via inflammatory words and phrases, casting…

计算与语言 · 计算机科学 2020-06-16 Tanvi Dadu , Kartikey Pant , Radhika Mamidi

Deep metric learning aims to learn an embedding function, modeled as deep neural network. This embedding function usually puts semantically similar images close while dissimilar images far from each other in the learned embedding space.…

计算机视觉与模式识别 · 计算机科学 2018-09-03 Wonsik Kim , Bhavya Goyal , Kunal Chawla , Jungmin Lee , Keunjoo Kwon

This paper studies the task of best counter-argument retrieval given an input argument. Following the definition that the best counter-argument addresses the same aspects as the input argument while having the opposite stance, we aim to…

计算与语言 · 计算机科学 2023-04-20 Hongguang Shi , Shuirong Cao , Cam-Tu Nguyen

Although BERT and its variants have reshaped the NLP landscape, it still remains unclear how best to derive sentence embeddings from such pre-trained Transformers. In this work, we propose a contrastive learning method that utilizes…

计算与语言 · 计算机科学 2021-06-15 Taeuk Kim , Kang Min Yoo , Sang-goo Lee

The idea of using multi-task learning approaches to address the joint extraction of entity and relation is motivated by the relatedness between the entity recognition task and the relation classification task. Existing methods using…

计算与语言 · 计算机科学 2020-09-18 Kai Sun , Richong Zhang , Samuel Mensah , Yongyi Mao , Xudong Liu