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Vector data is prevalent across business and scientific applications, and its popularity is growing with the proliferation of learned embeddings. Vector data collections often reach billions of vectors with thousands of dimensions, thus,…

信息检索 · 计算机科学 2025-09-09 Ilias Azizi , Karima Echihab , Themis Palpanas , Vassilis Christophides

SPREV, short for hyperSphere Reduced to two-dimensional Regular Polygon for Visualisation, is a novel dimensionality reduction technique developed to address the challenges of reducing dimensions and visualizing labeled datasets that…

图形学 · 计算机科学 2025-04-16 Srivathsan Amruth

Generative retrieval generates identifiers of relevant documents in an end-to-end manner using a sequence-to-sequence architecture for a given query. The relation between generative retrieval and other retrieval methods, especially those…

信息检索 · 计算机科学 2024-04-02 Shiguang Wu , Wenda Wei , Mengqi Zhang , Zhumin Chen , Jun Ma , Zhaochun Ren , Maarten de Rijke , Pengjie Ren

Retrieving specific information from a large corpus of documents is a prevalent industrial use case of modern AI, notably due to the popularity of Retrieval-Augmented Generation (RAG) systems. Although neural document retrieval models have…

信息检索 · 计算机科学 2025-12-17 Paul Teiletche , Quentin Macé , Max Conti , Antonio Loison , Gautier Viaud , Pierre Colombo , Manuel Faysse

Dense high dimensional vectors are becoming increasingly vital in fields such as computer vision, machine learning, and large language models (LLMs), serving as standard representations for multimodal data. Now the dimensionality of these…

机器学习 · 计算机科学 2024-10-10 Zhonghan Chen , Ruiyuan Zhang , Xi Zhao , Xiaojun Cheng , Xiaofang Zhou

Textual-visual cross-modal retrieval has been a hot research topic in both computer vision and natural language processing communities. Learning appropriate representations for multi-modal data is crucial for the cross-modal retrieval…

计算机视觉与模式识别 · 计算机科学 2018-06-14 Jiuxiang Gu , Jianfei Cai , Shafiq Joty , Li Niu , Gang Wang

Remote Sensing Image Retrieval remains a challenging topic due to the special nature of Remote Sensing Imagery. Such images contain various different semantic objects, which clearly complicates the retrieval task. In this paper, we present…

计算机视觉与模式识别 · 计算机科学 2019-03-25 Raffaele Imbriaco , Clint Sebastian , Egor Bondarev , Peter H. N. de With

Low-dimensional embeddings for data from disparate sources play critical roles in multi-modal machine learning, multimedia information retrieval, and bioinformatics. In this paper, we propose a supervised dimensionality reduction method…

机器学习 · 计算机科学 2021-01-15 Yanjun Li , Bihan Wen , Hao Cheng , Yoram Bresler

Recent works on representation learning for graph structured data predominantly focus on learning distributed representations of graph substructures such as nodes and subgraphs. However, many graph analytics tasks such as graph…

In-Context derived Vector (ICV) methods extract task-relevant representations from large language models (LLMs) and reinject them during inference, achieving comparable performance to few-shot In-Context Learning (ICL) without repeated…

计算与语言 · 计算机科学 2025-10-13 Wang Cai , Hsiu-Yuan Huang , Zhixiang Wang , Yunfang Wu

Learning a high-dimensional dense representation for vocabulary terms, also known as a word embedding, has recently attracted much attention in natural language processing and information retrieval tasks. The embedding vectors are typically…

信息检索 · 计算机科学 2017-07-18 Hamed Zamani , W. Bruce Croft

Automatic search of neural network architectures is a standing research topic. In addition to the fact that it presents a faster alternative to hand-designed architectures, it can improve their efficiency and for instance generate…

计算机视觉与模式识别 · 计算机科学 2019-02-06 Guillaume Michel , Mohammed Amine Alaoui , Alice Lebois , Amal Feriani , Mehdi Felhi

Designers rely on visual search to explore and develop ideas in early design stages. However, designers can struggle to identify suitable text queries to initiate a search or to discover images for similarity-based search that can…

人机交互 · 计算机科学 2024-03-05 Kihoon Son , DaEun Choi , Tae Soo Kim , Young-Ho Kim , Juho Kim

Linear dimensionality reduction methods are a cornerstone of analyzing high dimensional data, due to their simple geometric interpretations and typically attractive computational properties. These methods capture many data features of…

机器学习 · 统计学 2016-03-22 John P. Cunningham , Zoubin Ghahramani

This paper demonstrates the utility of organized numerical representations of genes in research involving flat string gene formats (i.e., FASTA/FASTQ5). FASTA/FASTQ files have several current limitations, such as their large file sizes,…

基因组学 · 定量生物学 2023-08-11 Daniel H. Um , David A. Knowles , Gail E. Kaiser

Generative image modeling techniques such as GAN demonstrate highly convincing image generation result. However, user interaction is often necessary to obtain the desired results. Existing attempts add interactivity but require either…

图形学 · 计算机科学 2020-09-01 Toby Chong Long Hin , I-Chao Shen , Issei Sato , Takeo Igarashi

Embedding is a useful technique to project a high-dimensional feature into a low-dimensional space, and it has many successful applications including link prediction, node classification and natural language processing. Current approaches…

信息检索 · 计算机科学 2020-09-21 Meimei Liu , Hongxia Yang

Graph-based high-dimensional vector indices have become a mainstream solution for large-scale approximate nearest neighbor search (ANNS). However, their substantial memory footprint often requires storage on secondary devices, where…

数据库 · 计算机科学 2025-08-22 Yijie Zhou , Shengyuan Lin , Shufeng Gong , Song Yu , Shuhao Fan , Yanfeng Zhang , Ge Yu

Word2Vec is a widely used algorithm for extracting low-dimensional vector representations of words. It generated considerable excitement in the machine learning and natural language processing (NLP) communities recently due to its…

分布式、并行与集群计算 · 计算机科学 2016-08-09 Shihao Ji , Nadathur Satish , Sheng Li , Pradeep Dubey

Transducer models have emerged as a promising choice for end-to-end ASR systems, offering a balanced trade-off between recognition accuracy, streaming capabilities, and inference speed in greedy decoding. However, beam search significantly…

音频与语音处理 · 电气工程与系统科学 2025-06-03 Lilit Grigoryan , Vladimir Bataev , Andrei Andrusenko , Hainan Xu , Vitaly Lavrukhin , Boris Ginsburg