中文
相关论文

相关论文: Tsunami: A Learned Multi-dimensional Index for Cor…

200 篇论文

Multivector retrieval models achieve state-of-the-art effectiveness through fine-grained token-level representations, but their deployment incurs substantial computational and memory costs. Current solutions, based on the well-known k-means…

信息检索 · 计算机科学 2026-05-01 Silvio Martinico , Franco Maria Nardini , Cosimo Rulli , Rossano Venturini

The large size and fast growth of data repositories, such as data lakes, has spurred the need for data discovery to help analysts find related data. The problem has become challenging as (i) a user typically does not know what datasets…

数据库 · 计算机科学 2023-01-16 Tianji Cong , Fatemeh Nargesian , H. V. Jagadish

Large databases are often organized by hand-labeled metadata, or criteria, which are expensive to collect. We can use unsupervised learning to model database variation, but these models are often high dimensional, complex to parameterize,…

计算机视觉与模式识别 · 计算机科学 2017-06-14 James Tompkin , Kwang In Kim , Hanspeter Pfister , Christian Theobalt

With the advancement of machine learning and deep learning, vector search becomes instrumental to many information retrieval systems, to search and find best matches to user queries based on their semantic similarities.These online services…

计算机视觉与模式识别 · 计算机科学 2018-09-13 Minjia Zhang , Yuxiong He

Standard kernel methods for machine learning usually struggle when dealing with large datasets. We review a recently introduced Structured Deep Kernel Network (SDKN) approach that is capable of dealing with high-dimensional and huge…

机器学习 · 计算机科学 2022-10-31 Tizian Wenzel , Marius Kurz , Andrea Beck , Gabriele Santin , Bernard Haasdonk

Unsupervised classification called clustering is a process of organizing objects into groups whose members are similar in some way. Clustering of uncertain data objects is a challenge in spatial data bases. In this paper we use Probability…

数据库 · 计算机科学 2013-12-10 Ramachandra Rao Kurada

Neuroimaging open-data initiatives have led to increased availability of large scientific datasets. While these datasets are shifting the processing bottleneck from compute-intensive to data-intensive, current standardized analysis tools…

分布式、并行与集群计算 · 计算机科学 2024-04-18 Valérie Hayot-Sasson , Tristan Glatard

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…

信息检索 · 计算机科学 2021-06-14 Joel Mackenzie , Matthias Petri , Alistair Moffat

Learned indexes are promising to replace traditional tree-based indexes. They typically employ machine learning models to efficiently predict target positions in strictly sorted linear arrays. However, the strict sorted order 1)…

数据库 · 计算机科学 2025-02-18 Huibing Dong , Wenlong Wang , Chun Liu , David Du

Deep learning has been effectively applied to many discrete optimization problems. However, learning-based scheduling on unrelated parallel machines remains particularly difficult to design. Not only do the numbers of jobs and machines…

机器学习 · 计算机科学 2025-12-23 Diego Hitzges , Guillaume Sagnol

Clustering is a core task in machine learning with wide-ranging applications in data mining and pattern recognition. However, its unsupervised nature makes it inherently challenging. Many existing clustering algorithms suffer from critical…

机器学习 · 计算机科学 2025-07-29 Ahmed Shokry , Ayman Khalafallah

With the proliferation of spatio-textual data, Top-k KNN spatial keyword queries (TkQs), which return a list of objects based on a ranking function that considers both spatial and textual relevance, have found many real-life applications.…

信息检索 · 计算机科学 2024-11-15 Ziqi Yin , Shanshan Feng , Shang Liu , Gao Cong , Yew Soon Ong , Bin Cui

Mobility service route design requires demand information to operate in a service region. Transit planners and operators can access various data sources including household travel survey data and mobile device location logs. However, when…

人工智能 · 计算机科学 2024-09-04 Gyugeun Yoon , Joseph Y. J. Chow

Distributed cloud environments hosting data-intensive applications often experience slowdowns due to network congestion, asymmetric bandwidth, and inter-node data shuffling. These factors are typically not captured by traditional host-level…

分布式、并行与集群计算 · 计算机科学 2025-11-21 Sankalpa Timilsina , Susmit Shannigrahi

With the rapid growth in computing power demand, cloud native networks have emerged as a promising solution to address the challenges of efficient resource coordination, particularly in coping with the dynamic fluctuations of network…

分布式、并行与集群计算 · 计算机科学 2026-02-11 Hao Jiang , Meng Qin , Ruijie Kuai , Dandan Liang , Yue Gao

Neural document ranking approaches, specifically transformer models, have achieved impressive gains in ranking performance. However, query processing using such over-parameterized models is both resource and time intensive. In this paper,…

信息检索 · 计算机科学 2022-04-05 Jurek Leonhardt , Koustav Rudra , Megha Khosla , Abhijit Anand , Avishek Anand

Clustering is an important part of many modern data analysis pipelines, including network analysis and data retrieval. There are many different clustering algorithms developed by various communities, and it is often not clear which…

机器学习 · 计算机科学 2019-10-04 Maria-Florina Balcan , Travis Dick , Manuel Lang

Vector search plays a crucial role in many real-world applications. In addition to single-vector search, multi-vector search becomes important for multi-modal and multi-feature scenarios today. In a multi-vector database, each row is an…

数据库 · 计算机科学 2026-05-05 Jiongli Zhu , Yue Wang , Bailu Ding , Philip A. Bernstein , Vivek Narasayya , Surajit Chaudhuri

LSM-tree-based data stores are widely used in industry due to their exceptional performance. However, as data volumes grow, efficiently querying large-scale databases becomes increasingly challenging. To address this, recent studies…

数据库 · 计算机科学 2025-06-11 Junfeng Liu , Jiarui Ye , Mengshi Chen , Meng Li , Siqiang Luo

Recent work shows that post-training datasets for LLMs can be substantially downsampled without noticeably deteriorating performance. However, data selection often incurs high computational costs or is limited to narrow domains. In this…

计算与语言 · 计算机科学 2025-09-25 Paramita Mirza , Lucas Weber , Fabian Küch