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Indexes can significantly improve search performance in relational databases. However, if the query workload changes frequently or new data updates occur continuously, it may not be worthwhile to build a conventional index upfront for query…

Databases · Computer Science 2025-08-06 Suvam Kumar Das , Suprio Ray

The increase in the dimensionality of neural embedding models has enhanced the accuracy of semantic search capabilities but also amplified the computational demands for Approximate Nearest Neighbor Searches (ANNS). This complexity poses…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-05-01 Jingjia Luo , Mingxing Zhang , Kang Chen , Xia Liao , Yingdi Shan , Jinlei Jiang , Yongwei Wu

Inverted indexes continue to be a mainstay of text search engines, allowing efficient querying of large document collections. While there are a number of possible organizations, document-ordered indexes are the most common, since they are…

Information Retrieval · Computer Science 2021-06-14 Joel Mackenzie , Matthias Petri , Alistair Moffat

Scalable web search systems typically employ multi-stage retrieval architectures, where an initial stage generates a set of candidate documents that are then pruned and re-ranked. Since subsequent stages typically exploit a multitude of…

Information Retrieval · Computer Science 2017-12-12 Joel Mackenzie , J. Shane Culpepper , Roi Blanco , Matt Crane , Charles L. A. Clarke , Jimmy Lin

Heterogeneous multi-core systems such as big/little architectures have been introduced as an attractive server design option with the potential to improve performance under power constraints in data centres. Since both big high-performing…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-12-23 Rajiv Nishtala , Vinicius Petrucci , Paul Carpenter , Xavier Martorell

Designing accurate and efficient convolutional neural architectures for vast amount of hardware is challenging because hardware designs are complex and diverse. This paper addresses the hardware diversity challenge in Neural Architecture…

Computer Vision and Pattern Recognition · Computer Science 2020-04-21 Li Lyna Zhang , Yuqing Yang , Yuhang Jiang , Wenwu Zhu , Yunxin Liu

Machine learning tasks over image databases often generate masks that annotate image content (e.g., saliency maps, segmentation maps, depth maps) and enable a variety of applications (e.g., determine if a model is learning spurious…

Databases · Computer Science 2024-01-09 Dong He , Jieyu Zhang , Maureen Daum , Alexander Ratner , Magdalena Balazinska

Cloud data lakes provide a modern solution for managing large volumes of data. The fundamental principle behind these systems is the separation of compute and storage layers. In this architecture, inexpensive cloud storage is utilized for…

Databases · Computer Science 2025-10-20 Gregory , Weintraub

Modern enterprises rely on data management systems to collect, store, and analyze vast amounts of data related with their operations. Nowadays, clusters and hardware accelerators (e.g., GPUs, TPUs) have become a necessity to scale with the…

Databases · Computer Science 2023-11-28 Kristalys Ruiz-Rohena , Manuel Rodriguez-Martinez

Point cloud architecture design has become a crucial problem for 3D deep learning. Several efforts exist to manually design architectures with high accuracy in point cloud tasks such as classification, segmentation, and detection. Recent…

Computer Vision and Pattern Recognition · Computer Science 2020-08-25 Guohao Li , Mengmeng Xu , Silvio Giancola , Ali Thabet , Bernard Ghanem

Due to the Internet of Everything (IoE), data generated in our life become larger. As a result, we need more effort to analyze the data and extract valuable information. In the cloud computing environment, all data analysis is done in the…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-01-27 Chuan-Chi Lai , Yan-Lin Chen , Bo-Xin Liu , Chuan-Ming Liu

Data processing engines increasingly leverage distributed file systems for scalable, cost-effective storage. While the Apache Parquet columnar format has become a popular choice for data storage and retrieval, the immutability of Parquet…

Much like on-premises systems, the natural choice for running database analytics workloads in the cloud is to provision a cluster of nodes to run a database instance. However, analytics workloads are often bursty or low volume, leaving…

Databases · Computer Science 2019-11-27 Matthew Perron , Raul Castro Fernandez , David DeWitt , Samuel Madden

Vector search, the task of finding the k-nearest neighbors of a query vector against a database of high-dimensional vectors, underpins many machine learning applications, including retrieval-augmented generation, recommendation systems, and…

While cluster computing frameworks are continuously evolving to provide real-time data analysis capabilities, Apache Spark has managed to be at the forefront of big data analytics for being a unified framework for both, batch and stream…

Distributed, Parallel, and Cluster Computing · Computer Science 2016-04-29 Ahsan Javed Awan , Mats Brorsson , Vladimir Vlassov , Eduard Ayguade

Flow Matching models achieve state-of-the-art image generation quality but incur substantial inference cost due to iterative denoising through large Transformer networks. We observe that different layer groups within a Transformer exhibit…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Guandong Li

With recent emerging technologies such as the Internet of Things (IoT), information collection on our physical world and environment can be achieved at a much higher granularity and such detailed knowledge will play a critical role in…

Databases · Computer Science 2018-07-24 Wei Emma Zhang , Quan Z. Sheng , Schahram Dustdar

In recent years Deep Learning reached significant results in many practical problems, such as computer vision, natural language processing, speech recognition and many others. For many years the main goal of the research was to improve the…

Computer Vision and Pattern Recognition · Computer Science 2022-08-22 Alexey Letunovskiy , Vladimir Korviakov , Vladimir Polovnikov , Anastasiia Kargapoltseva , Ivan Mazurenko , Yepan Xiong

With the advancement of information retrieval, recommendation systems, and Retrieval-Augmented Generation (RAG), Approximate Nearest Neighbor Search (ANNS) gains widespread applications due to its higher performance and accuracy. While…

Databases · Computer Science 2026-03-03 Yang Xiao , Mo Sun , Ziyu Song , Bing Tian , Jie Zhang , Jie Sun , Zeke Wang

Text indexing is a fundamental and well-studied problem. Classic solutions either replace the original text with a compressed representation, e.g., the FM-index and its variants, or keep it uncompressed but attach some redundancy - an index…

Data Structures and Algorithms · Computer Science 2026-02-05 Lorraine A. K. Ayad , Gabriele Fici , Ragnar Groot Koerkamp , Grigorios Loukides , Rob Patro , Giulio Ermanno Pibiri , Solon P. Pissis