The photographic negative as a historical object : an analysis of the Henryk Ross Łódź ghetto collection at the Art Gallery of Ontario
Bibliographic record
Abstract
The Photographic Negative as a Historical Object: An Analysis of the Henryk Ross Łódź Ghetto Collection at the Art Gallery of Ontario examines the photographic negative, with specific attention to the negative as a historical document. Through an analysis of Jewish photographer Henryk Ross‟ photographic archive, this discussion considers the negative as a historical object by addressing the production, use, dissemination and preservation of the negative using select samples from the 3,000 35mm gelatin silver negatives in the collection, along with Ross‟ 1960s publication Darkam ha-a¸Æaronah shel Yehude Lodz' (The Last Journey of the Jews of Łódź), and Martin Parr and Timothy Prus‟ 2004 Łódź Ghetto Album. By acknowledging the use value of the negative, this thesis focuses on the unique qualities of the photographic negative as a research tool, bringing forth new components to the history of this rare collection.
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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 | 0.002 | 0.003 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.006 | 0.010 |
| Science and technology studies | 0.013 | 0.010 |
| Scholarly communication | 0.005 | 0.001 |
| Open science | 0.001 | 0.003 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.006 | 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".