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Record W2492446263 · doi:10.1201/9780203881200-11

Towards fully integrated adaptive urban traffic control

2008· book-chapter· en· W2492446263 on OpenAlexaboutno aff
B. Abdulhai H. Abdelgawad

Bibliographic record

Venuenot available
Typebook-chapter
Languageen
FieldEngineering
TopicTraffic control and management
Canadian institutionsnot available
Fundersnot available
KeywordsComputer scienceControl (management)GeographyArtificial intelligence

Abstract

fetched live from OpenAlex

ABSTRACT: Advancements in Intelligent Transportation Systems (ITS), communication and information technologies have the potential to considerably reduce delay and congestion through an array of network-wide traffic control and management strategies. At the University of Toronto’s ITS Centre, a comprehensive ITS research and teaching program was initiated in 1998. One of the prime goals of the centre is to advance the state of art in traffic control and management. Over the past decade, researchers developed a set of traffic control and management components with an integrated vision in mind. This set includes computer systems for adaptive freeway incident detection, traffic f low forecasting, adaptive arterial signal control, adaptive freeway and corridor control, and a platform for live traffic data gathering, storing and dissemination. In this paper we give an overview of the vision and the overall system, identify its essential components developed to date, and brief ly describe the technical background of each component together with quantitative performance analysis.

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)0.000
metaresearch head score (Gemma)0.001
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Theoretical or conceptual · Consensus signal: none
GenreCandidate signal: Methods · Consensus signal: Methods
Teacher disagreement score0.002
Threshold uncertainty score0.007

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0000.001
Meta-epidemiology (narrow)0.0010.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.001
Scholarly communication0.0010.001
Open science0.0010.001
Research integrity0.0010.001
Insufficient payload (model declined to judge)0.0020.001

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 head0.010
GPT teacher head0.168
Teacher spread0.158 · 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 designTheoretical or conceptual
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

Citations1
Published2008
Admission routes1
Has abstractyes

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