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Multi-view graph data, which both captures node attributes and rich relational information from diverse sources, is becoming increasingly prevalent in various domains. The effective and efficient retrieval of such data is an important task.…

Information Retrieval · Computer Science 2025-08-19 Yang Xu , Zuliang Yang , Kai Ming Ting

In the realm of big data and cloud computing, distributed systems are tasked with proficiently managing, storing, and validating extensive datasets across numerous nodes, all while maintaining robust data integrity. Conventional hashing…

Cryptography and Security · Computer Science 2025-07-30 Krishnendu Das

Hashing has emerged as a popular technique for large-scale similarity search. Most learning-based hashing methods generate compact yet correlated hash codes. However, this redundancy is storage-inefficient. Hence we propose a lossless…

Computer Vision and Pattern Recognition · Computer Science 2016-03-18 Honghai Yu , Pierre Moulin , Hong Wei Ng , Xiaoli Li

Multimodal AI has demonstrated superior performance over unimodal approaches by leveraging diverse data sources for more comprehensive analysis. However, applying this effectiveness in healthcare is challenging due to the limited…

Computer Vision and Pattern Recognition · Computer Science 2024-07-12 Pranav Poudel , Prashant Shrestha , Sanskar Amgain , Yash Raj Shrestha , Prashnna Gyawali , Binod Bhattarai

A Monotone Minimal Perfect Hash Function (MMPHF) constructed on a set S of keys is a function that maps each key in S to its rank. On keys not in S, the function returns an arbitrary value. Applications range from databases, search engines,…

Data Structures and Algorithms · Computer Science 2023-08-31 Paolo Ferragina , Hans-Peter Lehmann , Peter Sanders , Giorgio Vinciguerra

Most existing approaches to hashing apply a single form of hash function, and an optimization process which is typically deeply coupled to this specific form. This tight coupling restricts the flexibility of the method to respond to the…

Machine Learning · Computer Science 2013-09-10 Guosheng Lin , Chunhua Shen , David Suter , Anton van den Hengel

Implementing cross-modal hashing between 2D images and 3D point-cloud data is a growing concern in real-world retrieval systems. Simply applying existing cross-modal approaches to this new task fails to adequately capture latent multi-modal…

Computer Vision and Pattern Recognition · Computer Science 2024-08-13 Rukai Wei , Heng Cui , Yu Liu , Yufeng Hou , Yanzhao Xie , Ke Zhou

We investigate the problem of multimodal search of target modality, where the task involves enhancing a query in a specific target modality by integrating information from auxiliary modalities. The goal is to retrieve relevant objects whose…

Databases · Computer Science 2023-12-12 Mengzhao Wang , Xiangyu Ke , Xiaoliang Xu , Lu Chen , Yunjun Gao , Pinpin Huang , Runkai Zhu

Federated learning enables many local devices to train a deep learning model jointly without sharing the local data. Currently, most of federated training schemes learns a global model by averaging the parameters of local models. However,…

Machine Learning · Computer Science 2021-10-26 Zhenwei Dai , Chen Dun , Yuxin Tang , Anastasios Kyrillidis , Anshumali Shrivastava

Multi-modal entity alignment (MMEA) is essential for enhancing knowledge graphs and improving information retrieval and question-answering systems. Existing methods often focus on integrating modalities through their complementarity but…

Artificial Intelligence · Computer Science 2024-10-21 Wei Ai , Wen Deng , Hongyi Chen , Jiayi Du , Tao Meng , Yuntao Shou

Retrieving videos of a particular person with face image as a query via hashing technique has many important applications. While face images are typically represented as vectors in Euclidean space, characterizing face videos with some…

Computer Vision and Pattern Recognition · Computer Science 2019-11-05 Shishi Qiao , Ruiping Wang , Shiguang Shan , Xilin Chen

Learning hash functions/codes for similarity search over multi-view data is attracting increasing attention, where similar hash codes are assigned to the data objects characterizing consistently neighborhood relationship across views.…

Machine Learning · Computer Science 2016-11-18 Lin Wu , Yang Wang

Hashing is one of the most popular and powerful approximate nearest neighbor search techniques for large-scale image retrieval. Most traditional hashing methods first represent images as off-the-shelf visual features and then produce…

Computer Vision and Pattern Recognition · Computer Science 2016-12-13 Xiaofang Wang , Yi Shi , Kris M. Kitani

Cross-modal image-recipe retrieval has gained significant attention in recent years. Most work focuses on improving cross-modal embeddings using unimodal encoders, that allow for efficient retrieval in large-scale databases, leaving aside…

Computer Vision and Pattern Recognition · Computer Science 2022-04-22 Mustafa Shukor , Guillaume Couairon , Asya Grechka , Matthieu Cord

In most state-of-the-art hashing-based visual search systems, local image descriptors of an image are first aggregated as a single feature vector. This feature vector is then subjected to a hashing function that produces a binary hash code.…

Computer Vision and Pattern Recognition · Computer Science 2017-04-05 Thanh-Toan Do , Dang-Khoa Le Tan , Trung T. Pham , Ngai-Man Cheung

Due to the availability of large-scale multi-modal data (e.g., satellite images acquired by different sensors, text sentences, etc) archives, the development of cross-modal retrieval systems that can search and retrieve semantically…

Computer Vision and Pattern Recognition · Computer Science 2022-01-21 Georgii Mikriukov , Mahdyar Ravanbakhsh , Begüm Demir

Subsequence matching has appeared to be an ideal approach for solving many problems related to the fields of data mining and similarity retrieval. It has been shown that almost any data class (audio, image, biometrics, signals) is or can be…

Multimedia · Computer Science 2012-06-13 David Novak , Petr Volny , Pavel Zezula

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…

Computer Vision and Pattern Recognition · Computer Science 2018-06-14 Jiuxiang Gu , Jianfei Cai , Shafiq Joty , Li Niu , Gang Wang

Multi-hop reasoning (MHR) is a process in artificial intelligence and natural language processing where a system needs to make multiple inferential steps to arrive at a conclusion or answer. In the context of knowledge graphs or databases,…

Artificial Intelligence · Computer Science 2024-06-13 Jesmin Jahan Tithi , Fabio Checconi , Fabrizio Petrini

In this paper we study the problem of learning from multiple modal data for purpose of document classification. In this problem, each document is composed two different modals of data, i.e., an image and a text. Cross-modal factor analysis…

Machine Learning · Computer Science 2015-08-19 Jingbin Wang , Yihua Zhou , Kanghong Duan , Jim Jing-Yan Wang , Halima Bensmail
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