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Cache-Centric Video Recommendation: An Approach to Improve the Efficiency of YouTube Caches

Published: 02 June 2015 Publication History

Abstract

In this article, we take advantage of the user behavior of requesting videos from the top of the related list provided by YouTube to improve the performance of YouTube caches. We recommend that local caches reorder the related lists associated with YouTube videos, presenting the cached content above noncached content. We argue that the likelihood that viewers select content from the top of the related list is higher than selection from the bottom, and pushing contents already in the cache to the top of the related list would increase the likelihood of choosing cached content. To verify that the position on the list really is the selection criterion more dominant than the content itself, we conduct a user study with 40 YouTube-using volunteers who were presented with random related lists in their everyday YouTube use. After confirming our assumption, we analyze the benefits of our approach by an investigation that is based on two traces collected from a university campus. Our analysis shows that the proposed reordering approach for related lists would lead to a 2 to 5 times increase in cache hit rate compared to an approach without reordering the related list. This increase in hit rate would lead to reduction in server load and backend bandwidth usage, which in turn reduces the latency in streaming the video requested by the viewer and has the potential to improve the overall performance of YouTube's content distribution system. An analysis of YouTube's recommendation system reveals that related lists are created from a small pool of videos, which increases the potential for caching content from related lists and reordering based on the content in the cache.

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Published In

cover image ACM Transactions on Multimedia Computing, Communications, and Applications
ACM Transactions on Multimedia Computing, Communications, and Applications  Volume 11, Issue 4
April 2015
231 pages
ISSN:1551-6857
EISSN:1551-6865
DOI:10.1145/2788342
Issue’s Table of Contents
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 02 June 2015
Accepted: 01 December 2014
Revised: 01 August 2014
Received: 01 March 2014
Published in TOMM Volume 11, Issue 4

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Author Tags

  1. Caching
  2. YouTube
  3. recommendation

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Cited By

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  • (2024)Collaborative Video Caching in the Edge Network using Deep Reinforcement LearningACM Transactions on Internet of Things10.1145/36646135:3(1-26)Online publication date: 11-May-2024
  • (2024)Recommendation-Driven Multi-Cell Cooperative Caching: A Multi-Agent Reinforcement Learning ApproachIEEE Transactions on Mobile Computing10.1109/TMC.2023.3297213(1-13)Online publication date: 2024
  • (2024)Content Recommendation Considering Cache State2024 IEEE 25th International Conference on High Performance Switching and Routing (HPSR)10.1109/HPSR62440.2024.10635938(233-238)Online publication date: 22-Jul-2024
  • (2023)Quid pro Quo in Streaming Services: Algorithms for Cooperative RecommendationsIEEE Transactions on Mobile Computing10.1109/TMC.2023.3240006(1-14)Online publication date: 2023
  • (2023)When Should Recommenders Account for Low QoS?IEEE Access10.1109/ACCESS.2023.333462311(132014-132036)Online publication date: 2023
  • (2023)The State-of-the-Art and Challenges on Recommendation System’s: Principle, Techniques and Evaluation StrategySN Computer Science10.1007/s42979-023-02207-z4:5Online publication date: 3-Sep-2023
  • (2023)PCDF: A Parallel-Computing Distributed Framework for Sponsored Search Advertising ServingMachine Learning and Knowledge Discovery in Databases: Applied Data Science and Demo Track10.1007/978-3-031-43427-3_40(669-683)Online publication date: 17-Sep-2023
  • (2022)MDP-based Network Friendly RecommendationsACM Transactions on Modeling and Performance Evaluation of Computing Systems10.1145/35131316:4(1-29)Online publication date: 1-Apr-2022
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  • (2022)Combining Resource-Aware Recommendation and Caching in the Era of MEC for Improving the Experience of Video Streaming UsersIEEE Transactions on Services Computing10.1109/TSC.2022.3205482(1-14)Online publication date: 2022
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