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Record W1949293046 · doi:10.3141/2379-05

Bikes for Urban Freight?

2013· article· en· W1949293046 on OpenAlexaboutno aff
Barbara Lenz, Ernst Riehle

Bibliographic record

VenueTransportation Research Record Journal of the Transportation Research Board · 2013
Typearticle
Languageen
FieldEngineering
TopicUrban and Freight Transport Logistics
Canadian institutionsnot available
Fundersnot available
KeywordsTransport engineeringTraffic managementWork (physics)Quarter (Canadian coin)City logisticsDriving cycleTruckBusinessEngineeringAutomotive engineeringGeography

Abstract

fetched live from OpenAlex

In light of the necessity of reducing motorized road traffic in Europe, above all in city centers, focus is switching more and more to cycle freight. At present there is little research or systematically prepared findings in this area. This paper demonstrates that the use of cycle freight is already widespread, though restricted to larger cities, which have the density necessary to create demand. The existing firms that use cycle freight operate primarily as pure cycle freight operators. The parallel operation of cargo cycles within fleets of otherwise motorized vehicles has, however, been tried successfully on several occasions. The availability of city center hubs that ensure the necessary efficiency is one of the special requirements associated with the use of cargo cycles. Customers still have reservations, although it may be assumed that these reservations are more a case of initial resistance and could be overcome through information and advertising campaigns. In total, it is expected that around a quarter of city center freight transport could be carried by bike. Bike freight will work only if this mode of delivery is given greater consideration in city and transport planning. Initial estimates indicate that the reduction in air and noise pollution created by cycle-based commercial traffic could be quite significant, although systematic analysis is lacking in this area. To date, there have been no studies on the effects of cycle freight on city center traffic.

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)0.002
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: none
Teacher disagreement score0.128
Threshold uncertainty score0.428

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0010.002
Meta-epidemiology (narrow)0.0010.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0010.001
Science and technology studies0.0030.001
Scholarly communication0.0050.004
Open science0.0010.002
Research integrity0.0020.002
Insufficient payload (model declined to judge)0.1280.026

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 head0.106
GPT teacher head0.328
Teacher spread0.223 · 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

Citations69
Published2013
Admission routes1
Has abstractyes

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