Bibliographic record
Abstract
During the nineteenth century, Bremen enhanced its economic viability through a series of engineering feats, but struggled with the social problems brought on by urban growth. The most notable technical challenge was maintaining access to the North Sea and Atlantic via the silt-prone Weser River. Through the purchase of land for an outport (Bremerhaven) and a series of dredging operations headed by Ludwig Franzius, Bremen was able to preserve its position as a viable northern European port. But as the city's population grew, it proved less capable in dealing with the social and political challenges associated with urban growth. Its quasi-feudal political structure, which insulated elites from democratic pressures, made it difficult for the city to address housing and other social issues. Demands from the Social Democratic Party and other reformers ultimately undermined the city's elite and contributed to the city's loss of autonomy during the twentieth century.
Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.
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 | 0.005 | 0.008 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.001 | 0.002 |
| Science and technology studies | 0.022 | 0.020 |
| Scholarly communication | 0.012 | 0.008 |
| Open science | 0.002 | 0.018 |
| Research integrity | 0.005 | 0.006 |
| Insufficient payload (model declined to judge) | 0.015 | 0.002 |
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".