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Record W3094196896 · doi:10.1063/5.0028464

Markov chain long run probabilities for estimation of traffic flow

2020· article· en· W3094196896 on OpenAlexaff
R. Sujatha, G. Kuppuswami, D. Nagarajan

Bibliographic record

VenueAIP conference proceedings · 2020
Typearticle
Languageen
FieldEngineering
TopicTraffic Prediction and Management Techniques
Canadian institutionsToronto Metropolitan University
Fundersnot available
KeywordsMarkov chainComputer scienceMarkov processTraffic flow (computer networking)Traffic congestion reconstruction with Kerner's three-phase theoryMarkov modelMarkov decision processState (computer science)Set (abstract data type)Traffic congestionOperations researchMathematical optimizationAlgorithmTransport engineeringEngineeringMathematicsComputer networkMachine learningStatistics

Abstract

fetched live from OpenAlex

Traffic congestion is an important social problem in a past few decades. Prediction of traffic conditions study has recently become increased and gained attention of researchers and significant number of different forecasting method exist in this field because of its vital role played to control the traffic and decision making process. Traffic control is vital in smart cities. This work attempts to find the equilibrium state for traffic volume detection using Markov chain. The proposed approach is demonstrated through a case study. A Markov chain is a stochastic model comprising of a set of states and the conditional probabilities of transition between them. The equilibrium state of a Markov chain denotes the probability of being in each state in the long run. The new proposed approach very useful to know the change of traffic flow in any junction. This method also helpful to the transportation department to know the variation of the traffic in any congested place.

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 machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.002
metaresearch head score (Gemma)0.010
Version: metacan-v3-hybrid-931329e0061cValidation 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 score0.021
Threshold uncertainty score0.042

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0020.010
Meta-epidemiology (narrow)0.0010.001
Meta-epidemiology (broad)0.0010.001
Bibliometrics0.0020.002
Science and technology studies0.0010.001
Scholarly communication0.0010.002
Open science0.0010.001
Research integrity0.0010.002
Insufficient payload (model declined to judge)0.0040.001

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 head0.018
GPT teacher head0.218
Teacher spread0.200 · 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 source (direct Gemma or distilled Codex), 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

Citations1
Published2020
Admission routes1
Has abstractyes

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