Bibliographic record
Abstract
Abstract Glass wall mosaic is a major feature of early Islamic architecture, surviving above all in the Umayyad monuments of the Dome of the Rock and the Great Mosque of Damascus. These grand mosaics inspired periodic revivals from the eleventh century onwards. The centuries between the Umayyad commissions and the first of the documented revivals, however, have been seen as a period of decline for the craft; the Abbasid dynasty that defeated the Umayyads in 750 has not traditionally been associated with the medium. This article reexamines the question, looking at textual and material evidence for Abbasid mosaic production. It argues that, in fact, there was a continuous mosaic tradition well into the ninth century, under the patronage of both caliphs and lower-ranking officials. The first part of the article considers written evidence for mosaics in Mecca and Medina. The second part looks in detail at a surviving example that, it will be argued, dates to the Abbasid period, on the Bayt al-Mal (Treasury) of the Great Mosque of Damascus. The concluding section discusses factors behind the general decline in mosaic production in the tenth century and the possibility of pockets of continuity.
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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 | 0.001 |
| Science and technology studies | 0.003 | 0.004 |
| Scholarly communication | 0.002 | 0.001 |
| Open science | 0.000 | 0.001 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.004 | 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".