Bibliographic record
Abstract
The discovery of shale oil and gas in North America (the United States and Canada) is considered a ‘game changer’ in the global petroleum industry. It provides an opportunity for the United States to achieve the energy self-reliance it has sought since the 1970s. It is also expected to allow the United States, the largest petroleum consumer and importer globally, to focus its attention on maximizing the economic benefits and comparative advantages of becoming a self-reliant energy state. It could also enable the United States to reprioritize its strategic interests, sharing responsibility for the security of the oil export routes in the Gulf with its European and Asian allies, rather than shouldering that task almost single-handedly, as is presently the case. However, realization of the advantages that North American shale oil and gas discoveries are purported to bring about will depend on whether the depletion rate can be slowed down and minimized and on whether the cost of production can remain competitive compared with that of conventional hydrocarbons. It will also depend on whether the United States will allow a large percentage of its shale petroleum to be exported, rather than be consumed domestically.
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 | 0.001 | 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 | 0.004 | 0.005 |
| Scholarly communication | 0.005 | 0.004 |
| Open science | 0.000 | 0.001 |
| Research integrity | 0.002 | 0.002 |
| Insufficient payload (model declined to judge) | 0.018 | 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".