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Record W7133035495

Value elimination: a new algorithm for bayesian inference

2003· dissertation· W7133035495 on OpenAlexafffund
Shannon Dalmao

Bibliographic record

VenueTSpace · 2003
Typedissertation
Language
FieldComputer Science
TopicBayesian Modeling and Causal Inference
Canadian institutionsBibliothèque et Archives nationales du QuébecUniversity of Toronto
FundersNatural Sciences and Engineering Research Council of CanadaGovernment of Canada
KeywordsBacktrackingSpeedupFlexibility (engineering)InferenceVariable eliminationContext (archaeology)Bayesian probabilityBayesian network
DOInot available

Abstract

fetched live from OpenAlex

Based on the paradigm of backtracking search, Value Elimination (ValElim) is a new algorithm for inference in Bayesian networks. It represents an advance over previous algorithms in the sense that it can achieve all of their performance guarantees (up to a constant factor) while provably achieving an exponential speedup on some problems. Also, by incurring only a small (polynomial) extra cost, ValElim offers considerably more flexibility in terms of its ability to exploit context specific structure, logical reasoning, and dynamic variable orderings. Moreover, ValElim provides the same space-time tradeoff as Recursive Conditioning. An initial implementation of ValElim demonstrates very promising performance, often being one or two orders of magnitude faster than a commercial Bayesian inference engine, despite the fact that it does not as yet take advantage of context specific 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.

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)0.001
metaresearch head score (Gemma)0.001
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesMeta-epidemiology (narrow), Scholarly communication
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Simulation or modeling · Consensus signal: none
GenreCandidate signal: Methods · Consensus signal: Methods
Teacher disagreement score0.942
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.001
Meta-epidemiology (narrow)0.0010.001
Meta-epidemiology (broad)0.0010.001
Bibliometrics0.0000.001
Science and technology studies0.0010.000
Scholarly communication0.0010.001
Open science0.0020.000
Research integrity0.0010.001
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 head0.041
GPT teacher head0.363
Teacher spread0.323 · 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 designSimulation or modeling
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
Published2003
Admission routes2
Has abstractyes

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