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Prediction and Analysis of Coastal Water Quality Using Ensemble Machine Learning Classifiers Based on Water Quality Index (WQI) Assessment

2025· article· W7125000596 on OpenAlex

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.

Bibliographic record

Venuenot available
Typearticle
Language
FieldEnvironmental Science
TopicHydrological Forecasting Using AI
Canadian institutionsXanadu Quantum Technologies (Canada)
Fundersnot available
KeywordsOverfittingFeature selectionWater qualityRandom forestSupport vector machineDecision treeEnsemble learningGeneralizability theorySustainability

Abstract

fetched live from OpenAlex

Access to clean, safe water is vital for both environmental sustainability and human health. Water quality assessment and management can benefit greatly from the use of predictive models, which is made possible by the development of sophisticated technology such as machine learning. This study makes use of a dataset that includes a variety of metrics that were gathered from several water sources, including turbidity, dissolved oxygen, pH levels, and other contaminants. In order to deal with missing values, outliers, and normalization, data preparation techniques are first used. The most pertinent variables influencing water quality are then found using feature selection techniques. The effectiveness of a number of well-known ML classifiers, such as Random Forest, Support Vector Machines, Decision Trees, and XGBoost, in predicting water quality is assessed and contrasted. Cross-validation techniques are used to train, validate, and test the models in order to guarantee their generalizability and robustness. The experimental outcomes show how well the suggested method works to forecast the levels of water quality. In particular, the XGBoost performs better with low overfitting and great precision. Furthermore, feature importance analysis identifies important variables offering environmentalists and policymakers insightful information.

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.

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)0.005
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesMeta-epidemiology (narrow), Insufficient payload (model declined to judge)
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Simulation or modeling · Consensus signal: Simulation or modeling
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.206
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0050.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0010.000
Bibliometrics0.0000.001
Science and technology studies0.0010.001
Scholarly communication0.0000.000
Open science0.0000.001
Research integrity0.0000.001
Insufficient payload (model declined to judge)0.0040.000

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 head0.059
GPT teacher head0.334
Teacher spread0.275 · 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

Quick stats

Citations0
Published2025
Admission routes1
Has abstractyes

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