MétaCan
Menu
Back to cohort
Record W2074792188 · doi:10.3141/2419-03

Rail Transit

2014· article· en· W2074792188 on OpenAlexaff
Saeid Saidi, S. C. Wirasinghe, Lina Kattan

Bibliographic record

VenueTransportation Research Record Journal of the Transportation Research Board · 2014
Typearticle
Languageen
FieldSocial Sciences
TopicTransportation Planning and Optimization
Canadian institutionsUniversity of Calgary
FundersConseil Régional, Île-de-France
KeywordsTransport engineeringTransit (satellite)Public transportEngineering

Abstract

fetched live from OpenAlex

Regression analyses were performed to study the relationship between rail transit network parameters (e.g., length of line, age of the system, network topology) with city parameters (e.g., population, city area, population density). Transit ridership patterns in Europe, Asia, and North America were investigated. Ring transit lines were found to be an important factor in network topology and the improvement of transit network efficiency and reliability. Cities that had ring rail transit services were assessed. Parameters that justified the implementation of a rail transit network in a city, particularly a ring line, were analyzed through the investigation of cities that had implemented such services. Ring lines were seen to be less popular in North America than in Europe and Asia. A highly concentrated central business district surrounded by remote residential neighborhoods would make circumferential travel less appealing than in larger and mixed land-use city centers with several cross-town activity centers. Further regression analyses were conducted to investigate the relevant parameters for the length of a ring rail transit line. Arguably, a ring transit line can improve the connectivity and directness of a transit network and thus improve transit ridership.

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 distilled prediction

Teacher imitation

Not 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.

metaresearch head score (Codex)0.011
metaresearch head score (Gemma)0.001
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesScience and technology studies
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Observational · Consensus signal: Observational
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.247
Threshold uncertainty score0.999

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0110.001
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0010.003
Science and technology studies0.0020.001
Scholarly communication0.0000.001
Open science0.0010.000
Research integrity0.0000.002
Insufficient payload (model declined to judge)0.0010.000

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.

Opus teacher head0.094
GPT teacher head0.407
Teacher spread0.313 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one teacher head, not a consensus.

Study designObservational
Domainnot available
GenreEmpirical

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".

Quick stats

Citations11
Published2014
Admission routes1
Has abstractyes

Explore more

Same venueTransportation Research Record Journal of the Transportation Research BoardSame topicTransportation Planning and OptimizationFrench-language works237,207