Hierarchical network structure as seen in container shipping liner services in the Caribbean Basin
Why this work is in the frame
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Bibliographic record
Abstract
This paper concerns the network structure of container shipping services in the Caribbean Basin. It investigates Robinson’s (1998) concept of hierarchical networks in container shipping in which the higher the order of the network the fewer the ports and the fewer the connections among those ports. Three networks are defined based on the geographical reach of the carriers’ services: Intra-Basin, Americas’ region, and Inter-Oceanic. All three networks are quite similar, although there are differences in the number of ports served and the number of services and linkages among the ports of each net. Each net has a high degree of redundancy. Almost 40 per cent of the 88 ports in the basin belong to all three nets. It is not true that the higher the order the network, where order is defined by the geographical scale of service, the fewer ports and the fewer linkages. Defining hierarchical structure is elusive. Even the hub and spoke service structure is not immediately obvious.
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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 | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| 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