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Zhang et al., 2023 - Google Patents

Efficient dynamic weighted set sampling and its extension

Zhang et al., 2023

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Document ID
18348112171955059538
Author
Zhang F
Jiang M
Wang S
Publication year
Publication venue
Proceedings of the VLDB Endowment

External Links

Snippet

Given a weighted set S of n elements, weighted set sampling (WSS) samples an element in S so that each element ai; is sampled with a probability proportional to its weight w (ai). The classic alias method pre-processes an index in O (n) time with O (n) space and handles …
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Classifications

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    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
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    • G06F17/30—Information retrieval; Database structures therefor; File system structures therefor
    • G06F17/30286—Information retrieval; Database structures therefor; File system structures therefor in structured data stores
    • G06F17/30386—Retrieval requests
    • G06F17/30424—Query processing
    • G06F17/30533—Other types of queries
    • G—PHYSICS
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    • G06F17/30961—Trees
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    • G—PHYSICS
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    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
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