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Sotirios K. Michos

dblp:340/7993 · DBLP profile ↗
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1ranked-venue papers
1as first author
1since 2021 · last 2023
0000-0002-4385-5848ORCID · reported

Domains — the database's venue-derived domains; a paper can count in several

Theory of computation · 1 · 1 first-author · 1 since 2021

Expertise — from the expertise taxonomy: the topics of the expert's papers under the CCF categories. A weight counts papers with recency: 1 for a paper about the topic, 0.3 when the topic is its context, halved every five years.

Computer networks
1 paper
Content delivery and video streaming · 100%
Theoretical computer science
1 paper
Information theory · 100%

Topics — the 3 heaviest of 3, each with the papers that count most for it

TopicWeightPapersLastEvidence papers
Content delivery and video streaming
caching
0.712023
On the Computational Aspect of Coded Caching With Uncoded Prefetching · IEEE Trans. Inf. Theory 2023
Content delivery and video streaming › caching
coded caching
0.712023
On the Computational Aspect of Coded Caching With Uncoded Prefetching · IEEE Trans. Inf. Theory 2023
Information theory › network information theory › caching network
coded caching
0.712023
On the Computational Aspect of Coded Caching With Uncoded Prefetching · IEEE Trans. Inf. Theory 2023

Methods — techniques the papers use, named apart from their topics

information-theoretic analysis · 1.3computational analysis · 1.3
YearPublicationVenuePosition
2023 On the Computational Aspect of Coded Caching With Uncoded Prefetching
abstract
Coded caching is the distribution of content across a communication system using techniques from coding theory in order to create multicasting opportunities among the users receiving the content. This enables a multiplicative improvement over the classic uncoded caching with respect to the transmission rates required in the delivery phase of the content. Since its introduction, coded caching has eliceted significant research interest as a result of which several different schemes have been proposed over the last few years. This work focuses on the fundamental case of coded caching with uncoded prefetching. In this case, the users’ caches are filled with uncoded content during a prefetching phase in order to best serve the request made by each user during a subsequent delivery phase. This important case has recently received a complete information-theoretic characterization. However, reaching the information-theoretic optimality imposes a significant computational imbalance among the users. To mitigate this imbalance, we perform a complete computational analysis of the two major forms of coded caching with uncoded prefetching, namely centralized and decentralized. Furthermore, we propose a new information-theoretically optimal method for the delivery phase that achieves a significant computational improvement compared to the state of the art.
Sotirios K. Michos, Panagiotis D. Diamantoulakis, Leonidas Georgiadis, George K. Karagiannidis
IEEE Trans. Inf. Theory1