A framework for an on-demand dangerous goods routing support system for the metro Vancouver area
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.
Bibliographic record
Abstract
This paper proposes a framework that integrates existing climate conditions with a Geographical Information System (GIS) to develop an on-demand dangerous goods (DG) routing support system. The framework focuses on mitigating the risks associated with DG transportation via route selection. Evidently, DG routing involves a number of decisions that require the consideration of multiple and sometimes conflicting risks. As a result, the framework includes a number of different routing criteria pertaining to safety, efficiency, security, and cost. The framework was applied to a large-scale transportation network representing the Metro Vancouver area. The network was represented spatially in a GIS database along with a real-time dispersion plume model to simulate a specific chemical release under local weather conditions. The results show that different routing criteria lead to different optimal route choices. The authors also compared route selection based on the Emergency Response Guidebook (ERG) for protection and isolation actions with route selection based on dispersion models. The comparison results show that, when employing the ERG in a small spill scenario, decisionmakers are at risk of exposing a large number of individuals to severe health effects. Vice versa, if the ERG was to be followed in a large spill scenario, many individuals who are not at risk would be unnecessarily evacuated. This translates into increased evacuation costs, and wastes the time and effort of emergency personnel. The study shows that these issues are properly addressed if a dispersion model is used to refine the estimation of the impact zone by including measures that are specific to the shipment.
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Full frame distilled prediction
Teacher imitationNot 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.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.027 | 0.025 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.000 | 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 it