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Topic segmentation and labeling is often considered a prerequisite for higher-level conversation analysis and has been shown to be useful in many Natural Language Processing (NLP) applications. We present two new corpora of email and blog…

计算与语言 · 计算机科学 2014-02-05 Shafiq Rayhan Joty , Giuseppe Carenini , Raymond T Ng

In this paper we describe our attempt at producing a state-of-the-art Twitter sentiment classifier using Convolutional Neural Networks (CNNs) and Long Short Term Memory (LSTMs) networks. Our system leverages a large amount of unlabeled data…

计算与语言 · 计算机科学 2017-04-21 Mathieu Cliche

We introduce Segment-Phrase Table (SPT), a large collection of bijective associations between textual phrases and their corresponding segmentations. Leveraging recent progress in object recognition and natural language semantics, we show…

计算机视觉与模式识别 · 计算机科学 2015-09-29 Hamid Izadinia , Fereshteh Sadeghi , Santosh Kumar Divvala , Yejin Choi , Ali Farhadi

This paper introduces a novel deep learning framework including a lexicon-based approach for sentence-level prediction of sentiment label distribution. We propose to first apply semantic rules and then use a Deep Convolutional Neural…

计算与语言 · 计算机科学 2017-06-27 Huy Nguyen , Minh-Le Nguyen

Sentiment analysis has been an active area of research in the past two decades and recently, with the advent of social media, there has been an increasing demand for sentiment analysis on social media texts. Since the social media texts are…

计算与语言 · 计算机科学 2020-10-21 Sainik Kumar Mahata , Dipankar Das , Sivaji Bandyopadhyay

As part of autonomous car driving systems, semantic segmentation is an essential component to obtain a full understanding of the car's environment. One difficulty, that occurs while training neural networks for this purpose, is class…

计算机视觉与模式识别 · 计算机科学 2019-01-25 Robin Chan , Matthias Rottmann , Fabian Hüger , Peter Schlicht , Hanno Gottschalk

NLP tasks are often limited by scarcity of manually annotated data. In social media sentiment analysis and related tasks, researchers have therefore used binarized emoticons and specific hashtags as forms of distant supervision. Our paper…

机器学习 · 统计学 2019-11-19 Bjarke Felbo , Alan Mislove , Anders Søgaard , Iyad Rahwan , Sune Lehmann

In this article, we describe the system that we used for the memotion analysis challenge, which is Task 8 of SemEval-2020. This challenge had three subtasks where affect based sentiment classification of the memes was required along with…

计算机视觉与模式识别 · 计算机科学 2020-05-25 Sourya Dipta Das , Soumil Mandal

Hate speech detection on Twitter is critical for applications like controversial event extraction, building AI chatterbots, content recommendation, and sentiment analysis. We define this task as being able to classify a tweet as racist,…

计算与语言 · 计算机科学 2017-06-02 Pinkesh Badjatiya , Shashank Gupta , Manish Gupta , Vasudeva Varma

Despite the superior performance of Deep Learning (DL) on numerous segmentation tasks, the DL-based approaches are notoriously overconfident about their prediction with highly polarized label probability. This is often not desirable for…

图像与视频处理 · 电气工程与系统科学 2021-12-14 Sungmin Hong , Anna K. Bonkhoff , Andrew Hoopes , Martin Bretzner , Markus D. Schirmer , Anne-Katrin Giese , Adrian V. Dalca , Polina Golland , Natalia S. Rost

With the proliferation of digital content and the need for efficient information retrieval, this study's insights can be applied to various domains, including news services, e-commerce, and digital marketing, to provide users with more…

信息检索 · 计算机科学 2024-04-24 Mike Nkongolo

This paper describes our multi-view ensemble approach to SemEval-2017 Task 4 on Sentiment Analysis in Twitter, specifically, the Message Polarity Classification subtask for English (subtask A). Our system is a voting ensemble, where each…

计算与语言 · 计算机科学 2017-04-10 Edilson A. Corrêa , Vanessa Queiroz Marinho , Leandro Borges dos Santos

Problems involving code-mixed language are often plagued by a lack of resources and an absence of materials to perform sophisticated transfer learning with. In this paper we describe our submission to the Sentimix Hindi-English task…

计算与语言 · 计算机科学 2020-07-24 Aditya Srivastava , V. Harsha Vardhan

Tokenizing raw texts into word units is an essential pre-processing step for critical tasks in the NLP pipeline such as tagging, parsing, named entity recognition, and more. For most languages, this tokenization step straightforward.…

计算与语言 · 计算机科学 2022-03-22 Idan Brusilovsky , Reut Tsarfaty

Twitter, a microblogging service, has evolved into a powerful communication platform with millions of active users who generate immense volume of microposts on a daily basis. To facilitate effective categorization and easy search, users…

社会与信息网络 · 计算机科学 2017-05-31 Hamidreza Alvari

Hashtag recommendation is a crucial task, especially with an increase of interest in using social media platforms such as Twitter in the last decade. Hashtag recommendation systems automatically suggest hashtags to a user while writing a…

信息检索 · 计算机科学 2020-10-06 Areej Alsini , Du Q. Huynh , Amitava Datta

Citation sentimet analysis is one of the little studied tasks for scientometric analysis. For citation analysis, we developed eight datasets comprising citation sentences, which are manually annotated by us into three sentiment polarities…

计算与语言 · 计算机科学 2020-05-12 Vishal Vyas , Kumar Ravi , Vadlamani Ravi , V. Uma , Srirangaraj Setlur , Venu Govindaraju

Word segmentation, the problem of finding word boundaries in speech, is of interest for a range of tasks. Previous papers have suggested that for sequence-to-sequence models trained on tasks such as speech translation or speech recognition,…

计算与语言 · 计算机科学 2021-09-22 Ramon Sanabria , Hao Tang , Sharon Goldwater

Recent years the task of incomplete utterance rewriting has raised a large attention. Previous works usually shape it as a machine translation task and employ sequence to sequence based architecture with copy mechanism. In this paper, we…

计算与语言 · 计算机科学 2020-09-29 Qian Liu , Bei Chen , Jian-Guang Lou , Bin Zhou , Dongmei Zhang

Simple, short, and compact hashtags cover a wide range of information on social networks. Although many works in the field of natural language processing (NLP) have demonstrated the importance of hashtag recommendation, hashtag…

计算机视觉与模式识别 · 计算机科学 2016-05-18 Minseok Park , Hanxiang Li , Junmo Kim