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The identification of employment centres in Canadian metropolitan areas: the example of Montreal, 1996

2001· article· en· W2141170760 on OpenAlex

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.
fundA Canadian funder is recorded on the work.
venuePublished in a venue whose home country is Canada.
aboutThe title or abstract carries a Canadian signal from the geographic lexicon.

Bibliographic record

VenueCanadian Geographies / Géographies canadiennes · 2001
Typearticle
Languageen
FieldEconomics, Econometrics and Finance
TopicRegional Economics and Spatial Analysis
Canadian institutionsInstitut National de la Recherche ScientifiqueUniversité de Montréal
FundersSocial Sciences and Humanities Research Council of Canada
KeywordsMetropolitan areaIdentification (biology)CensusRegional scienceDistribution (mathematics)GeographyDemographic economicsEconomicsSociologyPopulationDemography

Abstract

fetched live from OpenAlex

The intrametropolitan distribution of economic activities and, specifically, the formation of suburban employment centres has become a major research and policy issue. In spite of an increasing number of detailed analyses of the geography of employment in individual metropolitan areas, no generally accepted and systematic methodology for identifying employment centres exists. Comparisons between metropolitan areas have been highly limited due to both a lack of consistent and comparable data and a plethora of methods. We first present an overview of various methods that have been used to identify employment centres. Using Montreal as a case study, we then evaluate the suitability of various methods in the light of available data on job location in Canadian metropolitan areas. The method that yields the best results is one based upon dual criteria applied at the census tract level: a total employment threshold and the ratio of employment to the resident workers. We use this method to identify the form of the Montreal space‐economy in 1996. The identification of a suitable, although imperfect, method represents a first step towards being able to more objectively and systematically examine a wide range of issues concerning metropolitan economic structure.

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.

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)0.001
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Observational · Consensus signal: Observational
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.302
Threshold uncertainty score0.848

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0010.000
Bibliometrics0.0040.003
Science and technology studies0.0010.001
Scholarly communication0.0000.000
Open science0.0010.000
Research integrity0.0000.000
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 head0.014
GPT teacher head0.186
Teacher spread0.172 · 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