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Hashing has been widely studied for big data retrieval due to its low storage cost and fast query speed. Zero-shot hashing (ZSH) aims to learn a hashing model that is trained using only samples from seen categories, but can generalize well…

Machine Learning · Computer Science 2019-08-21 Xuanwu Liu , Zhao Li , Jun Wang , Guoxian Yu , Carlotta Domeniconi , Xiangliang Zhang

Heuristic search-based planning techniques are commonly used for motion planning on discretized spaces. The performance of these algorithms is heavily affected by the resolution at which the search space is discretized. Typically a fixed…

Robotics · Computer Science 2020-04-15 Wei Du , Fahad Islam , Maxim Likhachev

Hashing method maps similar high-dimensional data to binary hashcodes with smaller hamming distance, and it has received broad attention due to its low storage cost and fast retrieval speed. Pairwise similarity is easily obtained and widely…

Computer Vision and Pattern Recognition · Computer Science 2019-02-05 Shifeng Zhang , Jianmin Li , Bo Zhang

Graph neural architecture search has received a lot of attention as Graph Neural Networks (GNNs) has been successfully applied on the non-Euclidean data recently. However, exploring all possible GNNs architectures in the huge search space…

Machine Learning · Computer Science 2021-12-08 Jiamin Chen , Jianliang Gao , Yibo Chen , Oloulade Babatounde Moctard , Tengfei Lyu , Zhao Li

Heuristic search-based motion planning algorithms typically discretise the search space in order to solve the shortest path problem. Their performance is closely related to this discretisation. A fine discretisation allows for better…

Robotics · Computer Science 2023-03-24 Dhruv Mauria Saxena , Tushar Kusnur , Maxim Likhachev

Despite their near dominance, heuristic state search planners still lag behind disjunctive planners in the generation of parallel plans in classical planning. The reason is that directly searching for parallel solutions in state space…

Artificial Intelligence · Computer Science 2011-06-28 S. Kambhampati , R. Sanchez

This paper describes a generic algorithm for concurrent resizing and on-demand per-bucket rehashing for an extensible hash table. In contrast to known lock-based hash table algorithms, the proposed algorithm separates the resizing and…

Data Structures and Algorithms · Computer Science 2015-09-09 Anton Malakhov

Complex information needs in real-world search scenarios demand deep reasoning and knowledge synthesis across diverse sources, which traditional retrieval-augmented generation (RAG) pipelines struggle to address effectively. Current…

Artificial Intelligence · Computer Science 2025-11-03 Jiajie Jin , Xiaoxi Li , Guanting Dong , Yuyao Zhang , Yutao Zhu , Yang Zhao , Hongjin Qian , Zhicheng Dou

Graph-searching algorithms play a crucial role in various computational domains, enabling efficient exploration and pathfinding in structured data. Traditional approaches, such as Depth-First Search (DFS) and Breadth-First Search (BFS),…

Social and Information Networks · Computer Science 2025-08-21 Rowanda Ahmed , Belaynesh Chekol , Mahmoud Alsaleh

Similarity search (nearest neighbor search) is a problem of pursuing the data items whose distances to a query item are the smallest from a large database. Various methods have been developed to address this problem, and recently a lot of…

Data Structures and Algorithms · Computer Science 2014-08-14 Jingdong Wang , Heng Tao Shen , Jingkuan Song , Jianqiu Ji

Due to its fast retrieval and storage efficiency capabilities, hashing has been widely used in nearest neighbor retrieval tasks. By using deep learning based techniques, hashing can outperform non-learning based hashing technique in many…

Computer Vision and Pattern Recognition · Computer Science 2019-06-04 Zhan Yang , Osolo Ian Raymond , WuQing Sun , Jun Long

Hashing has been recognized as an efficient representation learning method to effectively handle big data due to its low computational complexity and memory cost. Most of the existing hashing methods focus on learning the low-dimensional…

Computer Vision and Pattern Recognition · Computer Science 2019-01-08 Yujuan Ding , Wai Kueng Wong , Zhihui Lai , Zheng Zhang

Thanks to the efficient retrieval speed and low storage consumption, learning to hash has been widely used in visual retrieval tasks. However, existing hashing methods assume that the query and retrieval samples lie in homogeneous feature…

Computer Vision and Pattern Recognition · Computer Science 2022-12-29 Jianglin Lu , Jie Zhou , Yudong Chen , Witold Pedrycz , Kwok-Wai Hung

Semantic hashing represents documents as compact binary vectors (hash codes) and allows both efficient and effective similarity search in large-scale information retrieval. The state of the art has primarily focused on learning hash codes…

Information Retrieval · Computer Science 2021-03-29 Christian Hansen , Casper Hansen , Jakob Grue Simonsen , Stephen Alstrup , Christina Lioma

There has been a rise in the popularity of algebraic methods for graph algorithms given the development of the GraphBLAS library and other sparse matrix methods. An exemplar for these approaches is Breadth-First Search (BFS). The algebraic…

Data Structures and Algorithms · Computer Science 2021-05-14 Paul Burkhardt

State-space search with explicit abstraction heuristics is at the state of the art of cost-optimal planning. These heuristics are inherently limited, nonetheless, because the size of the abstract space must be bounded by some, even if a…

Artificial Intelligence · Computer Science 2014-01-17 Michael Katz , Carmel Domshlak

Hypergraphs are generalisation of graphs in which a hyperedge can connect any number of vertices. It can describe n-ary relationships and high-order information among entities compared to conventional graphs. In this paper, we study the…

Databases · Computer Science 2023-02-21 Zhengyi Yang , Wenjie Zhang , Xuemin Lin , Ying Zhang , Shunyang Li

Shortest path search is a core operation in graph-based applications, yet existing methods face important limitations. Classical algorithms such as Dijkstra's and A* become inefficient as graphs grow more complex, while index-based…

Machine Learning · Computer Science 2025-08-05 Tiantian Liu , Xiao Li , Huan Li , Hua Lu , Christian S. Jensen , Jianliang Xu

This paper presents a novel method designed to enhance the efficiency and accuracy of both image retrieval and pixel retrieval. Traditional diffusion methods struggle to propagate spatial information effectively in conventional graphs due…

Computer Vision and Pattern Recognition · Computer Science 2024-06-18 Guoyuan An , Yuchi Huo , Sung-Eui Yoon

Partitioning graphs into blocks of roughly equal size such that few edges run between blocks is a frequently needed operation in processing graphs. Recently, size, variety, and structural complexity of these networks has grown dramatically.…

Data Structures and Algorithms · Computer Science 2018-10-16 Yaroslav Akhremtsev , Peter Sanders , Christian Schulz
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