MétaCan
Menu
Back to cohort

A Deep Manifold Representation for Information Discovery

2020· article· en· W3107746520 on OpenAlexaff
Lei Gao, Ling Guan

Bibliographic record

Venuenot available
Typearticle
Languageen
FieldComputer Science
TopicAdvanced Image and Video Retrieval Techniques
Canadian institutionsToronto Metropolitan University
Fundersnot available
KeywordsRepresentation (politics)HistogramManifold (fluid mechanics)Hash functionComputer scienceManifold alignmentLocalityArtificial intelligenceNonlinear dimensionality reductionPattern recognition (psychology)Locality-sensitive hashingProcess (computing)Filter (signal processing)Image (mathematics)Computer visionDimensionality reductionHash table

Abstract

fetched live from OpenAlex

Information discovery plays a vital role in the success of various machine learning and data-driven tasks. In essence, it is a process of exploring useful knowledge from input data sources. In this paper, a deep manifold representation method is proposed for information discovery, consisting of multistage manifold filters, a hashing transform and a histogram operation. Specifically, a manifold method, locality preserving projections (LPP) is utilized for constructing multistage filter banks in different layers, followed by a hashing transform and a histogram operation to generate the final manifold representation. In the proposed method, not only is the intrinsic local structure revealed by LPP, but also the abstract representation from different levels is explored by multistage filters, leading to better data representation for information discovery. To demonstrate the effectiveness of the proposed strategy, we conduct experiments on two visual analysis and recognition tasks. Experimental results show that the proposed method is superior to the related methods.

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)0.001
metaresearch head score (Gemma)0.002
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Simulation or modeling · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: none
Teacher disagreement score0.003
Threshold uncertainty score0.007

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0010.002
Meta-epidemiology (narrow)0.0010.000
Meta-epidemiology (broad)0.0010.001
Bibliometrics0.0020.002
Science and technology studies0.0010.001
Scholarly communication0.0010.003
Open science0.0010.002
Research integrity0.0010.002
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 head0.029
GPT teacher head0.294
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 source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designSimulation or modeling
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
Published2020
Admission routes1
Has abstractyes

Explore more

Same topicAdvanced Image and Video Retrieval TechniquesFrench-language works237,207