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相关论文: Sentence Meta-Embeddings for Unsupervised Semantic…

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This paper explores an empirical approach to learn more discriminantive sentence representations in an unsupervised fashion. Leveraging semantic graph smoothing, we enhance sentence embeddings obtained from pretrained models to improve…

计算与语言 · 计算机科学 2024-02-21 Chakib Fettal , Lazhar Labiod , Mohamed Nadif

We introduce a new unsupervised text embedding method, Meta-Task Prompting with Explicit One-Word Limitation (MetaEOL), for generating high-quality sentence embeddings from Large Language Models (LLMs) without the need for model…

计算与语言 · 计算机科学 2024-07-23 Yibin Lei , Di Wu , Tianyi Zhou , Tao Shen , Yu Cao , Chongyang Tao , Andrew Yates

Given multiple source word embeddings learnt using diverse algorithms and lexical resources, meta word embedding learning methods attempt to learn more accurate and wide-coverage word embeddings. Prior work on meta-embedding has repeatedly…

计算与语言 · 计算机科学 2022-04-27 Danushka Bollegala

We present a contrasting learning approach with data augmentation techniques to learn document representations in an unsupervised manner. Inspired by recent contrastive self-supervised learning algorithms used for image and NLP pretraining,…

Learning high quality sentence embeddings from dialogues has drawn increasing attentions as it is essential to solve a variety of dialogue-oriented tasks with low annotation cost. Annotating and gathering utterance relationships in…

计算与语言 · 计算机科学 2026-04-14 Minsik Oh , Jiwei Li , Guoyin Wang

Current approaches to learning semantic representations of sentences often use prior word-level knowledge. The current study aims to leverage visual information in order to capture sentence level semantics without the need for word…

计算与语言 · 计算机科学 2019-09-25 Danny Merkx , Stefan Frank

Sign language translation (SLT) is typically trained with text in a single spoken language, which limits scalability and cross-language generalization. Earlier approaches have replaced gloss supervision with text-based sentence embeddings,…

计算与语言 · 计算机科学 2025-10-23 Yasser Hamidullah , Shakib Yazdani , Cennet Oguz , Josef van Genabith , Cristina España-Bonet

We explore semantic correspondence estimation through the lens of unsupervised learning. We thoroughly evaluate several recently proposed unsupervised methods across multiple challenging datasets using a standardized evaluation protocol…

计算机视觉与模式识别 · 计算机科学 2022-07-12 Mehmet Aygün , Oisin Mac Aodha

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

Sense embedding learning methods learn multiple vectors for a given ambiguous word, corresponding to its different word senses. For this purpose, different methods have been proposed in prior work on sense embedding learning that use…

计算与语言 · 计算机科学 2023-05-31 Haochen Luo , Yi Zhou , Danushka Bollegala

Existing models of multilingual sentence embeddings require large parallel data resources which are not available for low-resource languages. We propose a novel unsupervised method to derive multilingual sentence embeddings relying only on…

计算与语言 · 计算机科学 2021-05-24 Ivana Kvapilıkova , Mikel Artetxe , Gorka Labaka , Eneko Agirre , Ondřej Bojar

We present a language independent, unsupervised method for building word embeddings using morphological expansion of text. Our model handles the problem of data sparsity and yields improved word embeddings by relying on training word…

计算与语言 · 计算机科学 2017-11-16 Syed Sarfaraz Akhtar , Arihant Gupta , Avijit Vajpayee , Arjit Srivastava , Manish Shrivastava

Several prior studies have suggested that word frequency biases can cause the Bert model to learn indistinguishable sentence embeddings. Contrastive learning schemes such as SimCSE and ConSERT have already been adopted successfully in…

计算与语言 · 计算机科学 2023-09-15 Pu Miao , Zeyao Du , Junlin Zhang

Understanding images without explicit supervision has become an important problem in computer vision. In this paper, we address image captioning by generating language descriptions of scenes without learning from annotated pairs of images…

计算机视觉与模式识别 · 计算机科学 2019-08-27 Iro Laina , Christian Rupprecht , Nassir Navab

Unsupervised sentence embedding representation has become a hot research topic in natural language processing. As a tensor, sentence embedding has two critical properties: direction and norm. Existing works have been limited to constraining…

计算与语言 · 计算机科学 2025-03-18 Tianyu Zong , Bingkang Shi , Hongzhu Yi , Jungang Xu

Learning better sentence embeddings leads to improved performance for natural language understanding tasks including semantic textual similarity (STS) and natural language inference (NLI). As prior studies leverage large-scale labeled NLI…

计算与语言 · 计算机科学 2024-03-11 Sho Hoshino , Akihiko Kato , Soichiro Murakami , Peinan Zhang

Sentence encoders play a pivotal role in various NLP tasks; hence, an accurate evaluation of their compositional properties is paramount. However, existing evaluation methods predominantly focus on goal task-specific performance. This…

计算与语言 · 计算机科学 2025-03-03 Naman Bansal , Yash mahajan , Sanjeev Sinha , Santu Karmaker

Semantically meaningful sentence embeddings are important for numerous tasks in natural language processing. To obtain such embeddings, recent studies explored the idea of utilizing synthetically generated data from pretrained language…

计算与语言 · 计算机科学 2022-08-31 Taehee Kim , ChaeHun Park , Jimin Hong , Radhika Dua , Edward Choi , Jaegul Choo

We propose a novel model architecture and training algorithm to learn bilingual sentence embeddings from a combination of parallel and monolingual data. Our method connects autoencoding and neural machine translation to force the source and…

计算与语言 · 计算机科学 2019-06-06 Yunsu Kim , Hendrik Rosendahl , Nick Rossenbach , Jan Rosendahl , Shahram Khadivi , Hermann Ney

We present semi-supervised models with data augmentation (SMDA), a semi-supervised text classification system to classify interactive affective responses. SMDA utilizes recent transformer-based models to encode each sentence and employs…

计算与语言 · 计算机科学 2020-04-24 Jiaao Chen , Yuwei Wu , Diyi Yang