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Identifying texts with a given semantics is central for many information seeking scenarios. Similarity search over vector embeddings appear to be central to this ability, yet the similarity reflected in current text embeddings is…

计算与语言 · 计算机科学 2024-07-25 Shauli Ravfogel , Valentina Pyatkin , Amir DN Cohen , Avshalom Manevich , Yoav Goldberg

Representing words by vectors, or embeddings, enables computational reasoning and is foundational to automating natural language tasks. For example, if word embeddings of similar words contain similar values, word similarity can be readily…

计算与语言 · 计算机科学 2022-02-02 Carl Allen

Neural language models learn word representations, or embeddings, that capture rich linguistic and conceptual information. Here we investigate the embeddings learned by neural machine translation models, a recently-developed class of neural…

计算与语言 · 计算机科学 2015-04-06 Felix Hill , Kyunghyun Cho , Sebastien Jean , Coline Devin , Yoshua Bengio

Sentence Embedding stands as a fundamental task within the realm of Natural Language Processing, finding extensive application in search engines, expert systems, and question-and-answer platforms. With the continuous evolution of large…

计算与语言 · 计算机科学 2024-05-16 Bowen Zhang , Kehua Chang , Chunping Li

Word Embeddings are used widely in multiple Natural Language Processing (NLP) applications. They are coordinates associated with each word in a dictionary, inferred from statistical properties of these words in a large corpus. In this paper…

计算与语言 · 计算机科学 2020-06-18 Adam Sutton , Nello Cristianini

Word and sentence embeddings are useful feature representations in natural language processing. However, intrinsic evaluation for embeddings lags far behind, and there has been no significant update since the past decade. Word and sentence…

计算与语言 · 计算机科学 2022-03-22 Bin Wang , C. -C. Jay Kuo , Haizhou Li

The creation of high-quality human-labeled image-caption datasets presents a significant bottleneck in the development of Visual-Language Models (VLMs). In this work, we investigate an approach that leverages the strengths of Large Language…

计算机视觉与模式识别 · 计算机科学 2024-06-10 Sahand Sharifzadeh , Christos Kaplanis , Shreya Pathak , Dharshan Kumaran , Anastasija Ilic , Jovana Mitrovic , Charles Blundell , Andrea Banino

This paper evaluates existing and newly proposed answer selection methods based on pre-trained word embeddings. Word embeddings are highly effective in various natural language processing tasks and their integration into traditional…

信息检索 · 计算机科学 2017-08-16 Rishav Chakravarti , Jiri Navratil , Cicero Nogueira dos Santos

Images with visual and scene text content are ubiquitous in everyday life. However, current image interpretation systems are mostly limited to using only the visual features, neglecting to leverage the scene text content. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2021-08-03 Arka Ujjal Dey , Suman Kumar Ghosh , Ernest Valveny , Gaurav Harit

We present our work in progress exploring the possibilities of a shared embedding space between textual and visual modality. Leveraging the textual nature of object detection labels and the hypothetical expressiveness of extracted visual…

计算机视觉与模式识别 · 计算机科学 2020-10-21 Dušan Variš , Katsuhito Sudoh , Satoshi Nakamura

While paragraph embedding models are remarkably effective for downstream classification tasks, what they learn and encode into a single vector remains opaque. In this paper, we investigate a state-of-the-art paragraph embedding method…

计算与语言 · 计算机科学 2019-06-11 Tu Vu , Mohit Iyyer

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

The recent tremendous success of unsupervised word embeddings in a multitude of applications raises the obvious question if similar methods could be derived to improve embeddings (i.e. semantic representations) of word sequences as well. We…

计算与语言 · 计算机科学 2018-12-31 Matteo Pagliardini , Prakhar Gupta , Martin Jaggi

Sentence embeddings can be decoded to give approximations of the original texts used to create them. We explore this effect in the context of text simplification, demonstrating that reconstructed text embeddings preserve complexity levels.…

计算与语言 · 计算机科学 2025-10-29 Matthew Shardlow

Deep Learning and Machine Learning based models have become extremely popular in text processing and information retrieval. However, the non-linear structures present inside the networks make these models largely inscrutable. A significant…

信息检索 · 计算机科学 2026-03-12 Sourav Saha , Debapriyo Majumdar , Mandar Mitra

Deep metric learning aims to learn an embedding space where the distance between data reflects their class equivalence, even when their classes are unseen during training. However, the limited number of classes available in training…

计算机视觉与模式识别 · 计算机科学 2022-01-05 Kyungmoon Lee , Sungyeon Kim , Seunghoon Hong , Suha Kwak

The words of a language reflect the structure of the human mind, allowing us to transmit thoughts between individuals. However, language can represent only a subset of our rich and detailed cognitive architecture. Here, we ask what kinds of…

计算与语言 · 计算机科学 2018-03-07 Gabriel Grand , Idan Asher Blank , Francisco Pereira , Evelina Fedorenko

In this paper, we focus on training and evaluating effective word embeddings with both text and visual information. More specifically, we introduce a large-scale dataset with 300 million sentences describing over 40 million images crawled…

机器学习 · 计算机科学 2016-11-28 Junhua Mao , Jiajing Xu , Yushi Jing , Alan Yuille

Current video summarization methods rely heavily on supervised computer vision techniques, which demands time-consuming and subjective manual annotations. To overcome these limitations, we investigated self-supervised video summarization.…

计算机视觉与模式识别 · 计算机科学 2024-08-21 Tomoya Sugihara , Shuntaro Masuda , Ling Xiao , Toshihiko Yamasaki

In video-text retrieval, most existing methods adopt the dual-encoder architecture for fast retrieval, which employs two individual encoders to extract global latent representations for videos and texts. However, they face challenges in…

计算机视觉与模式识别 · 计算机科学 2024-02-27 Haowei Liu , Yaya Shi , Haiyang Xu , Chunfeng Yuan , Qinghao Ye , Chenliang Li , Ming Yan , Ji Zhang , Fei Huang , Bing Li , Weiming Hu