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Due to the superiority in similarity computation and database storage for large-scale multiple modalities data, cross-modal hashing methods have attracted extensive attention in similarity retrieval across the heterogeneous modalities.…

Information Retrieval · Computer Science 2020-01-15 Lu Wang , Jie Yang

This survey explores the synergistic potential of Large Language Models (LLMs) and Vector Databases (VecDBs), a burgeoning but rapidly evolving research area. With the proliferation of LLMs comes a host of challenges, including…

Databases · Computer Science 2025-06-24 Zhi Jing , Yongye Su , Yikun Han , Bo Yuan , Haiyun Xu , Chunjiang Liu , Kehai Chen , Min Zhang

Support Vector Machines (SVM), a popular machine learning technique, has been applied to a wide range of domains such as science, finance, and social networks for supervised learning. Whether it is identifying high-risk patients by…

Distributed, Parallel, and Cluster Computing · Computer Science 2014-06-20 Jeyanthi Narasimhan , Abhinav Vishnu , Lawrence Holder , Adolfy Hoisie

Retrieval-augmented generation (RAG) systems face significant challenges in multi-hop question answering (MHQA), where complex queries require synthesizing information across multiple document chunks. Existing approaches typically rely on…

Information Retrieval · Computer Science 2025-05-01 Zhonghao Li , Kunpeng Zhang , Jinghuai Ou , Shuliang Liu , Xuming Hu

Visual Question Answering (VQA) is a challenging task that requires systems to provide accurate answers to questions based on image content. Current VQA models struggle with complex questions due to limitations in capturing and integrating…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Peiyuan Chen , Zecheng Zhang , Yiping Dong , Li Zhou , Han Wang

This paper presents the constrained Hybrid Metaheuristic (cHM) algorithm as a general framework for continuous optimisation. Unlike many existing metaheuristics that are tailored to specific function classes or problem domains, cHM is…

Neural and Evolutionary Computing · Computer Science 2026-03-20 Piotr A. Kowalski , Szymon Kucharczyk , Jacek Mańdziuk

Deep image hashing aims to map input images into simple binary hash codes via deep neural networks and thus enable effective large-scale image retrieval. Recently, hybrid networks that combine convolution and Transformer have achieved…

Computer Vision and Pattern Recognition · Computer Science 2024-05-15 Chao He , Hongxi Wei

This paper presents a generic technique for improving hybrid algorithms through the discovery of and tuning of meta-heuristics. The idea is to represent a family of push/pull heuristics that are based upon inserting and removing tasks in a…

Programming Languages · Computer Science 2007-05-23 Yves Caseau , Glenn Silverstein , Francois Laburthe

Many emerging use cases of data mining and machine learning operate on large datasets with data from heterogeneous sources, specifically with both sparse and dense components. For example, dense deep neural network embedding vectors are…

Machine Learning · Computer Science 2019-03-22 Xiang Wu , Ruiqi Guo , David Simcha , Dave Dopson , Sanjiv Kumar

Cross-modal hashing (CMH) is one of the most promising methods in cross-modal approximate nearest neighbor search. Most CMH solutions ideally assume the labels of training and testing set are identical. However, the assumption is often…

Computer Vision and Pattern Recognition · Computer Science 2021-11-09 Runmin Wang , Guoxian Yu , Lei Liu , Lizhen Cui , Carlotta Domeniconi , Xiangliang Zhang

Hybrid optimization algorithms have gained popularity as it has become apparent there cannot be a universal optimization strategy which is globally more beneficial than any other. Despite their popularity, hybridization frameworks require…

Neural and Evolutionary Computing · Computer Science 2013-03-15 Hassan A. Bashir , Richard S. Neville

Similarity-preserving hashing is a widely-used method for nearest neighbour search in large-scale image retrieval tasks. There has been considerable research on generating efficient image representation via the deep-network-based hashing…

Computer Vision and Pattern Recognition · Computer Science 2017-10-20 Hanjiang Lai , Yan Pan

The Building Block Hypothesis suggests that Genetic Algorithms (GAs) are well-suited for hierarchical problems, where efficient solving requires proper problem decomposition and assembly of solution from sub-solution with strong non-linear…

Neural and Evolutionary Computing · Computer Science 2007-05-23 David Iclanzan , Dan Dumitrescu

Packet classification according to multi-field ruleset is a key component for many network applications. Emerging software defined networking and cloud computing need to update the rulesets frequently for flexible policy configuration.…

Networking and Internet Architecture · Computer Science 2019-09-17 Tong Shen , Gaogang Xie , Xin Wang , Zhenyu Li , Xinyi Zhang , Penghao Zhang , Dafang Zhang

Multi-hop question answering over knowledge graphs remains computationally challenging due to the combinatorial explosion of possible reasoning paths. Recent approaches rely on expensive Large Language Model (LLM) inference for both entity…

Computation and Language · Computer Science 2025-11-26 Manil Shrestha , Edward Kim

The Large Language Model (LLM) has gained significant popularity and is extensively utilized across various domains. Most LLM deployments occur within cloud data centers, where they encounter substantial response delays and incur high…

Artificial Intelligence · Computer Science 2024-06-21 Zhi Yao , Zhiqing Tang , Jiong Lou , Ping Shen , Weijia Jia

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

Fraud detection presents a challenging task characterized by ever-evolving fraud patterns and scarce labeled data. Existing methods predominantly rely on graph-based or sequence-based approaches. While graph-based approaches connect users…

Machine Learning · Computer Science 2024-08-02 Fei Xiao , Shaofeng Cai , Gang Chen , H. V. Jagadish , Beng Chin Ooi , Meihui Zhang

This work uses visual knowledge discovery in parallel coordinates to advance methods of interpretable machine learning. The graphic data representation in parallel coordinates made the concepts of hypercubes and hyperblocks (HBs) simple to…

Machine Learning · Computer Science 2023-11-28 Dustin Hayes , Boris Kovalerchuk

This study investigates the influence of several bound constraint handling methods (BCHMs) on the search process specific to Differential Evolution (DE), with a focus on identifying similarities between BCHMs and grouping patterns with…

Neural and Evolutionary Computing · Computer Science 2023-05-23 Mădălina-Andreea Mitran , Anna V. Kononova , Fabio Caraffini , Daniela Zaharie