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Record W6992821067

Methodologies for estimating and characterizing truck volumes on rural highways

2004· dissertation· en· W6992821067 on OpenAlexaboutno aff

Bibliographic record

VenueMspace (University of Manitoba) · 2004
Typedissertation
Languageen
FieldEngineering
TopicTransport Systems and Technology
Canadian institutionsnot available
Fundersnot available
KeywordsTruckTraffic volumeEstimationVolume (thermodynamics)Commercial vehicle
DOInot available

Abstract

fetched live from OpenAlex

in the company of trucking experts.The inspections provided a practical understanding of trucking, trucks, truck traffic, the effects of relevant regulations, and freight movement considerations.At the same time, they provided J. 4. 5. 6. 1.4 2. J. 4. opportunities to consider the importance of individual highway segments and the structure of the highway network in servicing truck traffic in the province.Regular professional interaction and communication with technical field staff and engineers in Manitoba Transportation and Government Services, including field inspections involving placement and calibration of AVC and wIM equipment.Experience with database creation, field inspections, and regular interaction with knowledgeable professionals, coupled with active participation in relevant symposia and conferences in Canada and the United States, and continuous involvement in the traffic component of Strategic Highway Research Program (SHRP/C-SHRP) and Long-Term Pavement Performance (LTPP) activities in Manitoba and elsewhere.This provided practical insights and inputs into the research which made it possible to transfer and translate vast databases into useful information.Utilization of the Manitoba Highway Single Centerline spatial database platform (Han, 2003), and the specialized geographic information systems for transportation (GIS-T) and database software used for traffic information system analysis and slmthesis in Manitoba (TransCAD, Maptitude, lrtergraph Geomedia, Paradox).This GIS platform is fully integrated with other spatial database files from adjacent jurisdictions.Understanding the structure of this spatial file is critical to the design and implementation of a truck traffic information system which can operate easily and efÍiciently on a GIS-T platform.Analysis and design of the TIMTIG-Manitoba Truck Planning Network (Tang, Minty, and Han, 2003).The network accounts for about 55 percent of route kilometers in the province, and nearly 90 percent of truck kilometers of travel.It is from this network that a sub-system is selected for the detailed truck volume estimation and charac tenzation undertaken in the res earch.

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)0.002
metaresearch head score (Gemma)0.006
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: Methods · Consensus signal: Methods
Teacher disagreement score0.017
Threshold uncertainty score0.033

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0020.006
Meta-epidemiology (narrow)0.0010.001
Meta-epidemiology (broad)0.0010.001
Bibliometrics0.0060.004
Science and technology studies0.0010.000
Scholarly communication0.0020.001
Open science0.0010.001
Research integrity0.0010.001
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 head0.022
GPT teacher head0.218
Teacher spread0.196 · 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
GenreMethods

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

Citations0
Published2004
Admission routes1
Has abstractyes

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