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Record W4294975683 · doi:10.1109/iri54793.2022.00027

Multilayer Meta-Learning Approach to Forecasting Air Pollutants

2022· article· en· W4294975683 on OpenAlexaff
Samuel A. Ajila

Bibliographic record

Venuenot available
Typearticle
Languageen
FieldEnvironmental Science
TopicAir Quality Monitoring and Forecasting
Canadian institutionsCarleton University
Fundersnot available
KeywordsPollutantComputer scienceAir pollutantsEnvironmental scienceArtificial intelligenceMachine learningAir pollutionChemistry

Abstract

fetched live from OpenAlex

Air pollution forecasting is an important factor in the analysis of air quality and it can be used to achieve an increase in the air quality index. The process is likely to contribute to environmental and human health improvement. In this research paper, we apply multilayer meta-learning forecasting using Beijing air quality datasets. The dataset consists among others six air pollutant attributes - PM2.5, PM10, SO2, NO2, CO and O3that are considered important factors in calculating the Air Quality Index. Major air pollutants, especially fine particles such as PM2.5 (particulate matter with diameter less than$2.5\;\upmu{\mathrm{m}})$, are generally associated with adverse health effects that includes cardiac and respiratory morbidity. The resulting performance accuracy (MAE and RMSE values) show a huge improvement over our previous results that uses a compositional learning model. Additionally, the results obtained are considerably better than using “single learners” – Random Forest and Random Committee.

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)0.003
metaresearch head score (Gemma)0.004
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 score0.041

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0030.004
Meta-epidemiology (narrow)0.0020.001
Meta-epidemiology (broad)0.0020.003
Bibliometrics0.0020.002
Science and technology studies0.0010.001
Scholarly communication0.0020.001
Open science0.0020.001
Research integrity0.0020.002
Insufficient payload (model declined to judge)0.0020.000

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 head0.101
GPT teacher head0.264
Teacher spread0.163 · 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

Citations2
Published2022
Admission routes1
Has abstractyes

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