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Record W2765725026 · doi:10.3141/2650-13

Carsharing Versus Bikesharing

2017· article· en· W2765725026 on OpenAlexaffabout
Grzegorz Wielinski, Martin Trépanier, Catherine Morency

Bibliographic record

VenueTransportation Research Record Journal of the Transportation Research Board · 2017
Typearticle
Languageen
FieldSocial Sciences
TopicUrban Transport and Accessibility
Canadian institutionsPolytechnique Montréal
Fundersnot available
KeywordsBusinessMultinomial logistic regressionService (business)Transport engineeringPublic transportMarketingComputer scienceEngineering

Abstract

fetched live from OpenAlex

Shared mobility services such as carsharing and bikesharing have gained significant traction in recent years. The services offer efficiency and flexibility to their members while providing benefits to society. In fall 2013, two origin–destination web surveys were carried out on carsharing and bikesharing members in Montreal, Quebec, Canada. These data were used to analyze the typical travel behaviors of members of one or both services. Service provider data were supplied to complement the analyses. The study controlled for factors such as age, gender, home location, and intensity of use of the service. Person and household characteristics showed that bikesharing users differed by being younger, more often male, and more connected (smartphones), and having a higher income. Carsharing users possessed more transit passes, had driving licenses in a higher proportion, and belonged to households with more children and fewer cars. Differences were also found when the intensity of the use of the service was accounted for. On travel behaviors, the study analyzed mode share when the bikesharing service was in operation and when the service ceased operations. On the former, both groups had high shares of public transit and walking, but bikesharing users were more car (driver)-oriented and carsharing members had a higher use of bikes. On the latter, carsharing users increased their use of walking, and bikesharing users increased their use of cars (driver). Finally, the study used a multinomial logit model to evaluate the performance of several variables on the odds of being a carsharing-only member, a bikesharing-only member, or a member of both services.

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 imitation

Not 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.

metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.004
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Observational · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.040
Threshold uncertainty score0.134

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0010.004
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0010.001
Bibliometrics0.0010.002
Science and technology studies0.0010.001
Scholarly communication0.0020.002
Open science0.0010.001
Research integrity0.0010.001
Insufficient payload (model declined to judge)0.0400.004

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 head0.246
GPT teacher head0.480
Teacher spread0.234 · 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 source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
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

Citations25
Published2017
Admission routes2
Has abstractyes

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