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Semantic embeddings to represent objects such as image, text and audio are widely used in machine learning and have spurred the development of vector similarity search methods for retrieving semantically related objects. In this work, we…

数据结构与算法 · 计算机科学 2026-01-21 Stephen Mussmann , Mehul Smriti Raje , Kavya Tumkur , Oumayma Messoussi , Cyprien Hachem , Seby Jacob

Information retrieval lies at the foundation of the modern digital industry. While natural language search has seen dramatic progress in recent years largely driven by embedding-based models and large-scale pretraining, the field still…

人工智能 · 计算机科学 2026-02-20 Adrià Molina , Oriol Ramos Terrades , Josep Lladós

Semantic vector embedding techniques have proven useful in learning semantic representations of data across multiple domains. A key application enabled by such techniques is the ability to measure semantic similarity between given data…

计算与语言 · 计算机科学 2020-09-01 Shalisha Witherspoon , Dean Steuer , Graham Bent , Nirmit Desai

Nonlinear dimensionality reduction methods have demonstrated top-notch performance in many pattern recognition and image classification tasks. Despite their popularity, they suffer from highly expensive time and memory requirements, which…

计算几何 · 计算机科学 2014-04-08 Amir Najafi , Amir Joudaki , Emad Fatemizadeh

Recently, the retrieval models based on dense representations have been gradually applied in the first stage of the document retrieval tasks, showing better performance than traditional sparse vector space models. To obtain high efficiency,…

信息检索 · 计算机科学 2021-08-20 Hongyin Tang , Xingwu Sun , Beihong Jin , Jingang Wang , Fuzheng Zhang , Wei Wu

We propose flexgrid2vec, a novel approach for image representation learning. Existing visual representation methods suffer from several issues, including the need for highly intensive computation, the risk of losing in-depth structural…

计算机视觉与模式识别 · 计算机科学 2021-09-30 Ali Hamdi , Du Yong Kim , Flora D. Salim

We demonstrate three approaches for adapting the open-source Lucene search library to perform approximate nearest-neighbor search on arbitrary dense vectors, using similarity search on word embeddings as a case study. At its core, Lucene is…

信息检索 · 计算机科学 2019-10-29 Tommaso Teofili , Jimmy Lin

This paper provides a new similarity detection algorithm. Given an input set of multi-dimensional data points, where each data point is assumed to be multi-dimensional, and an additional reference data point for similarity finding, the…

人工智能 · 计算机科学 2017-07-12 Yariv Aizenbud , Amir Averbuch , Gil Shabat , Guy Ziv

Efficient representation of text documents is an important building block in many NLP tasks. Research on long text categorization has shown that simple weighted averaging of word vectors for sentence representation often outperforms more…

计算与语言 · 计算机科学 2019-11-20 Vivek Gupta , Ankit Saw , Pegah Nokhiz , Harshit Gupta , Partha Talukdar

We propose a new application of embedding techniques for problem retrieval in adaptive tutoring. The objective is to retrieve problems whose mathematical concepts are similar. There are two challenges: First, like sentences, problems…

计算机与社会 · 计算机科学 2020-03-25 Du Su , Ali Yekkehkhany , Yi Lu , Wenmiao Lu

Multi-directional 3D printing has the capability of decreasing or eliminating the need for support structures. Recent work proposed a beam-guided search algorithm to find an optimized sequence of plane-clipping, which gives volume…

图形学 · 计算机科学 2020-07-21 Chenming Wu , Yong-Jin Liu , Charlie C. L. Wang

PSDVec is a Python/Perl toolbox that learns word embeddings, i.e. the mapping of words in a natural language to continuous vectors which encode the semantic/syntactic regularities between the words. PSDVec implements a word embedding…

计算与语言 · 计算机科学 2016-07-05 Shaohua Li , Jun Zhu , Chunyan Miao

As mobile robot capabilities improve and deployment times increase, tools to analyze the growing volume of data are becoming necessary. Current state-of-the-art logging, playback, and exploration systems are insufficient for practitioners…

机器人学 · 计算机科学 2020-08-03 Samer B. Nashed

Limiting the model size of a kernel support vector machine to a pre-defined budget is a well-established technique that allows to scale SVM learning and prediction to large-scale data. Its core addition to simple stochastic gradient…

机器学习 · 计算机科学 2018-06-28 Tobias Glasmachers , Sahar Qaadan

Large-scale multi-modal deep learning models have revolutionized domains such as healthcare, highlighting the importance of computational power. However, in resource-constrained regions like Low and Middle-Income Countries (LMICs), limited…

We present a feature vector formation technique for documents - Sparse Composite Document Vector (SCDV) - which overcomes several shortcomings of the current distributional paragraph vector representations that are widely used for text…

计算与语言 · 计算机科学 2017-05-15 Dheeraj Mekala , Vivek Gupta , Bhargavi Paranjape , Harish Karnick

Vector search systems are indispensable in large language model (LLM) serving, search engines, and recommender systems, where minimizing online search latency is essential. Among various algorithms, graph-based vector search (GVS) is…

硬件体系结构 · 计算机科学 2025-07-21 Wenqi Jiang , Hang Hu , Torsten Hoefler , Gustavo Alonso

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 2025-09-08 Ilias Azizi , Karima Echihabi , Themis Palpanas

The rapid advancement of Multimodal Large Language Models (MLLMs) has extended CLIP-based frameworks to produce powerful, universal embeddings for retrieval tasks. However, existing methods primarily focus on natural images, offering…

计算机视觉与模式识别 · 计算机科学 2025-11-03 Weijian Jian , Yajun Zhang , Dawei Liang , Chunyu Xie , Yixiao He , Dawei Leng , Yuhui Yin

We propose a neural embedding algorithm called Network Vector, which learns distributed representations of nodes and the entire networks simultaneously. By embedding networks in a low-dimensional space, the algorithm allows us to compare…

社会与信息网络 · 计算机科学 2017-09-11 Hao Wu , Kristina Lerman