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Record W648111471

Freeway Travel Time Prediction and Route Recommendation via Cell Phone

2006· article· en· W648111471 on OpenAlexaboutno aff
Simon Foo, Anna Barkan, Adam C. Gravitis, Madis Org

Bibliographic record

VenueTransportation Research Board 85th Annual MeetingTransportation Research Board · 2006
Typearticle
Languageen
FieldEngineering
TopicTraffic Prediction and Management Techniques
Canadian institutionsnot available
Fundersnot available
KeywordsComputer scienceTestbedPhoneThe InternetTravel timeReal-time computingWirelessReal-time dataInterface (matter)Service (business)Transport engineeringTraffic congestionComputer networkTelecommunicationsEngineeringWorld Wide Web
DOInot available

Abstract

fetched live from OpenAlex

This paper presents an innovative approach to improving the congestion problems on highways. The result provided below can benefit highway users and, therefore, is commercially appealing. Within the scope of this project, three different methods were developed to interpret Highway 401 (Toronto) data into expected travel time. MATLAB was used to retrieve real-time speed data from the ITS Center and Testbed (ICAT) platform at the University of Toronto and a linear interpolation over distance was used to calculate an estimated travel time. Given the algorithm and user inputs for the on-ramp and off-ramp locations, the program approximated the expected travel time from the origin to destination and also suggests whether to switch from “collector” to “express” lanes and where to do so to minimize the travel time. Finally, the project incorporated a significant inter-protocol development component, where a user interface was created with the use of wireless internet technology. With this service, having already departed, users can receive valuable information about their optimal travel route, by just specifying the on- and off-ramp locations on a wireless internet site accessible from their cell phones.

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)0.004
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesMeta-epidemiology (narrow)
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Observational · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.752
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0040.000
Meta-epidemiology (narrow)0.0000.001
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0020.002
Science and technology studies0.0010.000
Scholarly communication0.0000.001
Open science0.0000.000
Research integrity0.0000.001
Insufficient payload (model declined to judge)0.0000.000

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 head0.019
GPT teacher head0.283
Teacher spread0.265 · 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

Citations0
Published2006
Admission routes1
Has abstractyes

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