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Optimizing Content Caching and Recommendations with Context Information in Multi-Access Edge Computing

Abstract : Recently, the coupling between content caching at the wireless network edge and video recommendation systems has shown promising results to optimize the cache hit and improve the user experience. However, the quality of the UE wireless link and the resource capabilities of the UE are aspects that impact user experience and that have been neglected in the literature. In this work, we present a resource-aware optimization model for the joint task of caching and recommending videos to mobile users that maximizes the cache hit ratio and the user QoE (concerning content preferences and video representations) under the constraints of UE capabilities and the availability of network resources by the time of the recommendation. We evaluate our proposed model using a video catalog derived from a real-world video content dataset and real-world video representations and compare the performance with a state-of-the-art caching and recommendation method unaware of computing and network resources. Results show that our approach increases user QoE by at least 68% and effective cache hit ratio by at least 14% in comparison with the other method.
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https://hal.inria.fr/hal-03329371
Contributor : Sand Sand Luz Correa Connect in order to contact the contributor
Submitted on : Monday, September 6, 2021 - 3:33:11 PM
Last modification on : Friday, February 4, 2022 - 3:33:14 AM
Long-term archiving on: : Tuesday, December 7, 2021 - 6:11:29 PM

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  • HAL Id : hal-03329371, version 1

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Ana Claudia B L Monção, Sand Luz Correa, Aline Carneiro Viana, Kleber Vieira Cardoso. Optimizing Content Caching and Recommendations with Context Information in Multi-Access Edge Computing. [Research Report] INRIA Saclay - Ile de France (INRIA); Universidade Federal de Goiás. 2021. ⟨hal-03329371⟩

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