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Odd Distance Anchors for Rapid Clustering

2020· article· en· W3113052278 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.

Bibliographic record

Venuenot available
Typearticle
Languageen
FieldEngineering
TopicOptimization and Packing Problems
Canadian institutionsUniversity of Guelph
Fundersnot available
KeywordsCluster analysisHamming distanceComputer scienceSet (abstract data type)Line (geometry)Constraint (computer-aided design)Similarity (geometry)AlgorithmMetric (unit)Space (punctuation)Metric spaceData miningCorrelation clusteringMathematicsDiscrete mathematicsArtificial intelligenceEngineeringGeometry

Abstract

fetched live from OpenAlex

This paper introduces a rapid clustering algorithm called anchor clustering. The algorithm was invented to permit clustering of lymphocyte antigen receptor sequences for veterinary diagnostic applications. Anchor clustering has a slow off-line and a rapid on-line phase. The off-line portion consists of locating a set of points, called anchors, by packing points into the data space so that they satisfy a minimum distance constraint. This study addresses a problem in the anchor location phase of anchor clustering. When used on discrete data, like DNA under the Hamming metric, there is a problem with data that exhibit tied minimum distances to anchors. This can be addressed by finding sets of anchors in which as many of the small distances between anchors are odd. This study tests four methods for locating sets of anchors enriched for short, odd distances. One method, which explicitly scores anchor sets on avoiding ties, works very poorly. A method that encourages odd distances is somewhat more effective, but two methods that optimize the ratio of short odd distances to short even distances achieve substantial enrichment of short odd distances. The reasons for the observed performance of different techniques are explored and possible next steps are outlined.

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)0.000
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: Simulation or modeling · Consensus signal: Simulation or modeling
GenreCandidate signal: Methods · Consensus signal: none
Teacher disagreement score0.954
Threshold uncertainty score0.212

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
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 head0.026
GPT teacher head0.214
Teacher spread0.188 · 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

Quick stats

Citations2
Published2020
Admission routes1
Has abstractyes

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