Evaluating impacts of changing drinking water regulations on distribution infrastructure integrity - a conceptual framework
Bibliographic record
Abstract
The drinking water distribution infrastructure is a network of pipes composed of different materials, of different ages and states of repair and subject to varying environments and stresses. Often newer drinking water regulations may require a change in the water-sources, treatment processes and/or practices. The distribution system is at the receiving end of these changes. It is understood from general principles, that any change in the quality of the transported water can adversely affect the distribution system components.Relating changes in treatment practices to distribution infrastructure integrity is complicated by a number of inter-related processes taking place within the distribution system. This paper elaborates a conceptual framework for evaluating the impact of changes in treatment practices on the long-term structural and functional integrity of the distribution infrastructure. The proposed conceptual framework can be used to identify potential problems in the distribution infrastructure that are associated with the changing water treatment practices.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot 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.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.016 | 0.029 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.005 | 0.004 |
| Science and technology studies | 0.002 | 0.011 |
| Scholarly communication | 0.010 | 0.009 |
| Open science | 0.002 | 0.006 |
| Research integrity | 0.003 | 0.002 |
| Insufficient payload (model declined to judge) | 0.005 | 0.000 |
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.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
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".