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Word embeddings are widely used in Natural Language Processing, mainly due to their success in capturing semantic information from massive corpora. However, their creation process does not allow the different meanings of a word to be…

计算与语言 · 计算机科学 2017-06-22 Massimiliano Mancini , Jose Camacho-Collados , Ignacio Iacobacci , Roberto Navigli

We propose a new technique for computational language representation called elementwise embedding, in which a material (semantic unit) is abstracted into a horizontal concatenation of lower-dimensional element (character) embeddings. While…

计算与语言 · 计算机科学 2023-02-28 Dunam Kim , Jeeeun Kim

In the area of ad-targeting, predicting user responses is essential for many applications such as Real-Time Bidding (RTB). Many of the features available in this domain are sparse categorical features. This presents a challenge especially…

信息检索 · 计算机科学 2017-05-19 Enno Shioji , Masayuki Arai

With text analysis tools becoming increasingly sophisticated over the last decade, researchers now face a decision of whether to use state-of-the-art models that provide high performance but that can be highly opaque in their operations and…

计算与语言 · 计算机科学 2024-11-05 Catherine Moez

Modern language models use a single matrix for input embedding and output projection. This couples two distinct objectives: token representation and discrimination over a vocabulary. This work introduces Leviathan, a Transformer…

计算与语言 · 计算机科学 2026-05-08 Reza T. Batley , Sourav Saha

Recurrent neural networks (RNNs) have achieved state-of-the-art performances in many natural language processing tasks, such as language modeling and machine translation. However, when the vocabulary is large, the RNN model will become very…

计算与语言 · 计算机科学 2016-11-01 Xiang Li , Tao Qin , Jian Yang , Tie-Yan Liu

In this paper, we propose a novel deep neural network architecture, Sequence-to-Sequence Audio2Vec, for unsupervised learning of fixed-length vector representations of audio segments excised from a speech corpus, where the vectors contain…

计算与语言 · 计算机科学 2017-11-07 Yu-An Chung , James Glass

Autoregressive language models are vulnerable to orthographic attacks, where input text is perturbed with characters from multilingual alphabets, leading to substantial performance degradation. This vulnerability primarily stems from the…

计算与语言 · 计算机科学 2025-09-01 Han Yang , Jian Lan , Yihong Liu , Hinrich Schütze , Thomas Seidl

Although contemporary text-to-image generation models have achieved remarkable breakthroughs in producing visually appealing images, their capacity to generate precise and flexible typographic elements, especially non-Latin alphabets,…

计算机视觉与模式识别 · 计算机科学 2025-04-29 Haofan Wang , Yujia Xu , Yimeng Li , Junchen Li , Chaowei Zhang , Jing Wang , Kejia Yang , Zhibo Chen

Unsupervise learned word embeddings have seen tremendous success in numerous Natural Language Processing (NLP) tasks in recent years. The main contribution of this paper is to develop a technique called Skill2vec, which applies machine…

计算与语言 · 计算机科学 2019-10-10 Le Van-Duyet , Vo Minh Quan , Dang Quang An

We present an efficient document representation learning framework, Document Vector through Corruption (Doc2VecC). Doc2VecC represents each document as a simple average of word embeddings. It ensures a representation generated as such…

计算与语言 · 计算机科学 2017-07-11 Minmin Chen

We introduce EmbeddingGemma, a new lightweight, open text embedding model based on the Gemma 3 language model family. Our innovative training recipe strategically captures knowledge from larger models via encoder-decoder initialization and…

Text embeddings are fundamental to many natural language processing (NLP) tasks, extensively applied in domains such as recommendation systems and information retrieval (IR). Traditionally, transmitting embeddings instead of raw text has…

计算与语言 · 计算机科学 2025-07-11 Dominykas Seputis , Yongkang Li , Karsten Langerak , Serghei Mihailov

Network embeddings, which learn low-dimensional representations for each vertex in a large-scale network, have received considerable attention in recent years. For a wide range of applications, vertices in a network are typically…

计算与语言 · 计算机科学 2018-08-30 Dinghan Shen , Xinyuan Zhang , Ricardo Henao , Lawrence Carin

Language models (LMs) have recently flourished in natural language processing and computer vision, generating high-fidelity texts or images in various tasks. In contrast, the current speech generative models are still struggling regarding…

声音 · 计算机科学 2023-10-13 Xinfa Zhu , Yuanjun Lv , Yi Lei , Tao Li , Wendi He , Hongbin Zhou , Heng Lu , Lei Xie

Most image watermarking systems focus on robustness, capacity, and imperceptibility while treating the embedded payload as meaningless bits. This bit-centric view imposes a hard ceiling on capacity and prevents watermarks from carrying…

密码学与安全 · 计算机科学 2025-10-02 Gautier Evennou , Vivien Chappelier , Ewa Kijak

Pre-training visual and textual representations from large-scale image-text pairs is becoming a standard approach for many downstream vision-language tasks. The transformer-based models learn inter and intra-modal attention through a list…

计算机视觉与模式识别 · 计算机科学 2024-10-02 Mohammad Abuzar Hashemi , Zhanghexuan Li , Mihir Chauhan , Yan Shen , Abhishek Satbhai , Mir Basheer Ali , Mingchen Gao , Sargur Srihari

High-fidelity neural audio codecs in Text-to-speech (TTS) aim to compress speech signals into discrete representations for faithful reconstruction. However, prior approaches faced challenges in effectively disentangling acoustic and…

声音 · 计算机科学 2025-09-23 Ruonan Zhang , Xiaoyang Hao , Yichen Han , Junjie Cao , Yue Liu , Kai Zhang

CAPTCHA (Completely Automated Public Truing test to tell Computers and Humans Apart) is a widely used technology to distinguish real users and automated users such as bots. However, the advance of AI technologies weakens many CAPTCHA tests…

机器学习 · 计算机科学 2021-01-08 Rulin Shao , Zhouxing Shi , Jinfeng Yi , Pin-Yu Chen , Cho-Jui Hsieh

Vector retrieval systems exhibit significant performance variance across queries due to heterogeneous embedding quality. We propose a lightweight framework for predicting retrieval performance at the query level by combining quantization…

信息检索 · 计算机科学 2025-07-09 Y. Du