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Record W2807588753 · doi:10.1109/access.2018.2845740

Stochastic QoE-Aware Optimization in Cloud-Based Content Delivery Networks

2018· article· en· W2807588753 on OpenAlexafffund
Ali A. Haghighi, Shahram Shahbazpanahi, Shahram Shah Heydari

Bibliographic record

VenueIEEE Access · 2018
Typearticle
Languageen
FieldComputer Science
TopicCaching and Content Delivery
Canadian institutionsOntario Tech University
FundersNatural Sciences and Engineering Research Council of Canada
KeywordsComputer scienceCloud computingMarkov decision processMathematical optimizationProbabilistic logicOptimization problemBandwidth (computing)Resource allocationMarkov processComputational complexity theoryQuality of experienceDistributed computingLinear programmingQuality of serviceAlgorithmComputer networkArtificial intelligence

Abstract

fetched live from OpenAlex

The problem of cloud resource optimization is examined, while the uncertainty in demand and user feedback is considered. We propose a Markov decision process model for resource assignment in cloud-based content delivery networks. Furthermore, we include a feedback-based probabilistic model for quality of experience in the resource assignment problem. We apply dynamic programming to solve this stochastic optimization problem. In order to address the challenges regarding the computational complexity of the problem, we first present an optimal solution with linear complexity for a special case of unlimited bandwidth cloud sites. Then, we propose a sub-optimal algorithm for the generic bandwidth-constrained problem with significantly reduced complexity and quasi-optimal performance. Simulation results are presented to corroborate the merits of the proposed algorithms.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Simulation or modeling · Consensus signal: Simulation or modeling
GenreCandidate signal: Empirical · Consensus signal: none
Teacher disagreement score0.863
Threshold uncertainty score0.595

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.001
Open science0.0010.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.052
GPT teacher head0.271
Teacher spread0.219 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one teacher head, not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designSimulation or modeling
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations8
Published2018
Admission routes2
Has abstractyes

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