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Recent state-of-the-art natural language understanding models, such as BERT and XLNet, score a pair of sentences (A and B) using multiple cross-attention operations - a process in which each word in sentence A attends to all words in…

机器学习 · 计算机科学 2019-11-22 Oren Barkan , Noam Razin , Itzik Malkiel , Ori Katz , Avi Caciularu , Noam Koenigstein

Contextualized word embeddings (CWE) such as provided by ELMo (Peters et al., 2018), Flair NLP (Akbik et al., 2018), or BERT (Devlin et al., 2019) are a major recent innovation in NLP. CWEs provide semantic vector representations of words…

计算与语言 · 计算机科学 2019-10-02 Gregor Wiedemann , Steffen Remus , Avi Chawla , Chris Biemann

Word embeddings and language models have transformed natural language processing (NLP) by facilitating the representation of linguistic elements in continuous vector spaces. This review visits foundational concepts such as the…

ELMo embeddings (Peters et. al, 2018) had a huge impact on the NLP community and may recent publications use these embeddings to boost the performance for downstream NLP tasks. However, integration of ELMo embeddings in existent NLP…

计算与语言 · 计算机科学 2019-04-08 Nils Reimers , Iryna Gurevych

Sentiment analysis is a crucial task in natural language processing (NLP) that enables the extraction of meaningful insights from textual data, particularly from dynamic platforms like Twitter and IMDB. This study explores a hybrid…

计算与语言 · 计算机科学 2026-03-02 Aish Albladi , Md Kaosar Uddin , Minarul Islam , Cheryl Seals

Conflict scholars have used rule-based approaches to extract information about political violence from news reports and texts. Recent Natural Language Processing developments move beyond rigid rule-based approaches. We review our recent…

Social media is becoming a primary medium to discuss what is happening around the world. Therefore, the data generated by social media platforms contain rich information which describes the ongoing events. Further, the timeliness associated…

信息检索 · 计算机科学 2021-05-27 Hansi Hettiarachchi , Mariam Adedoyin-Olowe , Jagdev Bhogal , Mohamed Medhat Gaber

Argumentation mining comprises several subtasks, among which stance classification focuses on identifying the standpoint expressed in an argumentative text toward a specific target topic. While arguments-especially about controversial…

Pre-trained language models (PLMs) like BERT have made great progress in NLP. News articles usually contain rich textual information, and PLMs have the potentials to enhance news text modeling for various intelligent news applications like…

计算与语言 · 计算机科学 2021-09-03 Chuhan Wu , Fangzhao Wu , Yang Yu , Tao Qi , Yongfeng Huang , Qi Liu

We propose new static word embeddings optimised for sentence semantic representation. We first extract word embeddings from a pre-trained Sentence Transformer, and improve them with sentence-level principal component analysis, followed by…

计算与语言 · 计算机科学 2025-10-01 Takashi Wada , Yuki Hirakawa , Ryotaro Shimizu , Takahiro Kawashima , Yuki Saito

Financial sentiment analysis enhances market understanding. However, standard Natural Language Processing (NLP) approaches encounter significant challenges when applied to small datasets. This study presents a comparative evaluation of…

机器学习 · 计算机科学 2026-04-10 Joyjit Roy , Samaresh Kumar Singh

Word embeddings are one of the most useful tools in any modern natural language processing expert's toolkit. They contain various types of information about each word which makes them the best way to represent the terms in any NLP task. But…

计算与语言 · 计算机科学 2019-06-20 Armin Seyeditabari , Narges Tabari , Shafie Gholizade , Wlodek Zadrozny

Self-attentive neural syntactic parsers using contextualized word embeddings (e.g. ELMo or BERT) currently produce state-of-the-art results in joint parsing and disfluency detection in speech transcripts. Since the contextualized word…

计算与语言 · 计算机科学 2020-04-30 Paria Jamshid Lou , Mark Johnson

Distributed representations of text can be used as features when training a statistical classifier. These representations may be created as a composition of word vectors or as context-based sentence vectors. We compare the two kinds of…

计算与语言 · 计算机科学 2019-06-14 Aditya Joshi , Sarvnaz Karimi , Ross Sparks , Cecile Paris , C Raina MacIntyre

Prior work on pretrained sentence embeddings and benchmarks focus on the capabilities of stand-alone sentences. We propose DiscoEval, a test suite of tasks to evaluate whether sentence representations include broader context information. We…

计算与语言 · 计算机科学 2019-11-11 Mingda Chen , Zewei Chu , Kevin Gimpel

Due to massive adoption of social media, detection of users' depression through social media analytics bears significant importance, particularly for underrepresented languages, such as Bangla. This study introduces a well-grounded approach…

计算与语言 · 计算机科学 2024-07-15 Saad Ahmed Sazan , Mahdi H. Miraz , A B M Muntasir Rahman

Effective sentence embeddings that capture semantic nuances and generalize well across diverse contexts are crucial for natural language processing tasks. We address this challenge by applying SimCSE (Simple Contrastive Learning of Sentence…

计算与语言 · 计算机科学 2025-01-24 Yumeng Wang , Ziran Zhou , Junjin Wang

Contextual word embedding models such as ELMo (Peters et al., 2018) and BERT (Devlin et al., 2018) have dramatically improved performance for many natural language processing (NLP) tasks in recent months. However, these models have been…

计算与语言 · 计算机科学 2019-06-24 Emily Alsentzer , John R. Murphy , Willie Boag , Wei-Hung Weng , Di Jin , Tristan Naumann , Matthew B. A. McDermott

This study introduces novel methods for sentiment and opinion classification of tweets to support the New Product Development (NPD) process. Two popular word embedding techniques, Word2Vec and BERT, were evaluated as inputs for classic…

计算与语言 · 计算机科学 2023-04-18 Princessa Cintaqia , Matheus Inoue

Pre-trained language models have demonstrated superior performance in various natural language processing tasks. However, these models usually contain hundreds of millions of parameters, which limits their practicality because of latency…

计算与语言 · 计算机科学 2022-05-02 Simiao Zuo , Qingru Zhang , Chen Liang , Pengcheng He , Tuo Zhao , Weizhu Chen