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Knowledge embeddings (KE) represent a knowledge graph (KG) by embedding entities and relations into continuous vector spaces. Existing methods are mainly structure-based or description-based. Structure-based methods learn representations…

计算与语言 · 计算机科学 2023-06-30 Xintao Wang , Qianyu He , Jiaqing Liang , Yanghua Xiao

Pretrained contextualized embeddings are powerful word representations for structured prediction tasks. Recent work found that better word representations can be obtained by concatenating different types of embeddings. However, the…

计算与语言 · 计算机科学 2021-06-02 Xinyu Wang , Yong Jiang , Nguyen Bach , Tao Wang , Zhongqiang Huang , Fei Huang , Kewei Tu

Recent advances in AI have catalyzed the adoption of intelligent educational tools, yet many semantic retrieval systems remain ill-suited to the unique linguistic and structural characteristics of academic content. This study presents two…

计算与语言 · 计算机科学 2025-05-09 Ramteja Sajja , Yusuf Sermet , Ibrahim Demir

In the context of pose-invariant object recognition and retrieval, we demonstrate that it is possible to achieve significant improvements in performance if both the category-based and the object-identity-based embeddings are learned…

计算机视觉与模式识别 · 计算机科学 2024-03-04 Rohan Sarkar , Avinash Kak

Word embedding models learn semantically rich vector representations of words and are widely used to initialize natural processing language (NLP) models. The popular continuous bag-of-words (CBOW) model of word2vec learns a vector embedding…

计算与语言 · 计算机科学 2020-06-02 Shashank Sonkar , Andrew E. Waters , Richard G. Baraniuk

Embedding techniques have become essential components of large databases in the deep learning era. By encoding discrete entities, such as words, items, or graph nodes, into continuous vector spaces, embeddings facilitate more efficient…

信息检索 · 计算机科学 2024-10-18 Shiwei Li , Zhuoqi Hu , Xing Tang , Haozhao Wang , Shijie Xu , Weihong Luo , Yuhua Li , Xiuqiang He , Ruixuan Li

One of the most important factors in training object recognition networks using convolutional neural networks (CNNs) is the provision of annotated data accompanying human judgment. Particularly, in object detection or semantic segmentation,…

计算机视觉与模式识别 · 计算机科学 2018-02-21 Min-Kook Choi , Jaehyeong Park , Jihun Jung , Heechul Jung , Jin-Hee Lee , Woong Jae Won , Woo Young Jung , Jincheol Kim , Soon Kwon

Code embeddings capture the semantic representations of code and are crucial for various code-related large language model (LLM) applications, such as code search. Previous training primarily relies on optimizing the InfoNCE loss by…

计算与语言 · 计算机科学 2025-07-18 Zuchen Gao , Zizheng Zhan , Xianming Li , Erxin Yu , Ziqi Zhan , Haotian Zhang , Bin Chen , Yuqun Zhang , Jing Li

Cross-lingual word embeddings (CLWE) have been proven useful in many cross-lingual tasks. However, most existing approaches to learn CLWE including the ones with contextual embeddings are sense agnostic. In this work, we propose a novel…

计算与语言 · 计算机科学 2022-09-16 Linlin Liu , Thien Hai Nguyen , Shafiq Joty , Lidong Bing , Luo Si

Recent studies have demonstrated the usefulness of contextualized word embeddings in unsupervised semantic frame induction. However, they have also revealed that generic contextualized embeddings are not always consistent with human…

计算与语言 · 计算机科学 2023-04-28 Kosuke Yamada , Ryohei Sasano , Koichi Takeda

Large ontologies still pose serious challenges to state-of-the-art ontology alignment systems. In this paper we present an approach that combines a neural embedding model and logic-based modules to accurately divide an input ontology…

人工智能 · 计算机科学 2020-03-12 Ernesto Jiménez-Ruiz , Asan Agibetov , Jiaoyan Chen , Matthias Samwald , Valerie Cross

Despite the great success of word embedding, sentence embedding remains a not-well-solved problem. In this paper, we present a supervised learning framework to exploit sentence embedding for the medical question answering task. The learning…

计算与语言 · 计算机科学 2018-11-16 Yu Hao , Xien Liu , Ji Wu , Ping Lv

Instruction data is crucial for improving the capability of Large Language Models (LLMs) to align with human-level performance. Recent research LIMA demonstrates that alignment is essentially a process where the model adapts instructions'…

计算与语言 · 计算机科学 2024-10-01 Yiwei Li , Jiayi Shi , Shaoxiong Feng , Peiwen Yuan , Xinglin Wang , Boyuan Pan , Heda Wang , Yao Hu , Kan Li

Neural network techniques are widely applied to obtain high-quality distributed representations of words, i.e., word embeddings, to address text mining, information retrieval, and natural language processing tasks. Recently, efficient…

计算与语言 · 计算机科学 2014-09-08 Qing Cui , Bin Gao , Jiang Bian , Siyu Qiu , Tie-Yan Liu

We introduce a simple yet effective method of integrating contextual embeddings with commonsense graph embeddings, dubbed BERT Infused Graphs: Matching Over Other embeDdings. First, we introduce a preprocessing method to improve the speed…

计算与语言 · 计算机科学 2019-10-18 Jeff Da

Ontology Alignment (OA) is essential for enabling semantic interoperability across heterogeneous knowledge systems. While recent advances have focused on large language models (LLMs) for capturing contextual semantics, this work revisits…

人工智能 · 计算机科学 2025-10-01 Hamed Babaei Giglou , Jennifer D'Souza , Sören Auer , Mahsa Sanaei

Matching images and sentences demands a fine understanding of both modalities. In this paper, we propose a new system to discriminatively embed the image and text to a shared visual-textual space. In this field, most existing works apply…

计算机视觉与模式识别 · 计算机科学 2021-07-28 Zhedong Zheng , Liang Zheng , Michael Garrett , Yi Yang , Mingliang Xu , Yi-Dong Shen

With the current ubiquity of deep learning methods to solve computer vision and remote sensing specific tasks, the need for labelled data is growing constantly. However, in many cases, the annotation process can be long and tedious…

计算机视觉与模式识别 · 计算机科学 2023-06-19 Paul Berg , Minh-Tan Pham , Nicolas Courty

Ensembling word embeddings to improve distributed word representations has shown good success for natural language processing tasks in recent years. These approaches either carry out straightforward mathematical operations over a set of…

计算与语言 · 计算机科学 2018-08-14 James O' Neill , Danushka Bollegala

Recent work has managed to learn cross-lingual word embeddings without parallel data by mapping monolingual embeddings to a shared space through adversarial training. However, their evaluation has focused on favorable conditions, using…

计算与语言 · 计算机科学 2021-12-28 Mikel Artetxe , Gorka Labaka , Eneko Agirre