British Iron Age chariot burials of the Arras culture: a multi-isotope approach to investigating mobility levels and subsistence practices
Bibliographic record
Abstract
Iron Age chariot burials in the UK are rare and restricted in their distribution. Historically it has been suggested that their Arras culture affinities with Continental Europe, particularly with the Paris basin in France, may be indicative of migration. The majority of them are found on chalk and the putative source region is also chalk. This has meant that a study using only strontium isotopes to identify mobile individuals is problematic. Here we present a range of isotope ratio data (strontium, oxygen, carbon, nitrogen and sulphur) for seven chariot burials from Wetwang, Garton Station and Kirkburn. The majority of them are of men and women who were born and lived locally, although the individual from Kirkburn is likely to have spent his childhood elsewhere. They do, however, differ quite subtly from others in the local population, probably in their relationship to a local land-use pattern operating between two distinct biospheres.
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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 | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.002 |
| Science and technology studies | 0.002 | 0.001 |
| Scholarly communication | 0.001 | 0.000 |
| Open science | 0.000 | 0.001 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.002 | 0.001 |
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".