On the question of <i>Anadara antiquata</i> bivalve scrapers in the archaeological record of Tonga
Bibliographic record
Abstract
ABSTRACT Expedient shell tool use among Oceanic peoples is widely known in ethnographic context but oftentimes almost impossible to identify in the archaeological record. This paper examines Anadara antiquata bivalve scrapers, a potential artefact type in the Kingdom of Tonga that is defined by a consistently formed ventral margin. To assess the veracity of tool identification and to ensure that the edge has not been created through natural breakage, a series of experimental studies was undertaken. These illustrate that the functional edge can be formed only through intentional preparation using an inside‐out flaking technique on the ventral lip. A low‐powered starch test on archaeological specimens further illustrates the presence of starch on the prepared working plane. Finally, an analysis of archaeological specimens from five Tongan sites seeks additional insight on morphological variation within the tool type.
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How this classification was reachedexpand
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 | 0.003 | 0.003 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.001 | 0.050 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.002 | 0.001 |
| Research integrity | 0.000 | 0.002 |
| 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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, 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".