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Record W2912803559 · doi:10.1109/bigdata.2018.8622063

Towards a New Approach to Empower Periodic Pattern Mining for Massive Data using Map-Reduce

2018· article· en· W2912803559 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
FieldComputer Science
TopicData Mining Algorithms and Applications
Canadian institutionsCarleton University
Fundersnot available
KeywordsComputer scienceTimestampData miningPruningTime seriesSuffix treeBig dataData structureMachine learning

Abstract

fetched live from OpenAlex

Recent applications like social networks and IoT are the main source of the massive amount of data generated every day. Time series data is a major form where data is sequenced and indexed by timestamps. Multiple data mining techniques are applied to discover the behavior of time series datasets, periodic pattern mining is one of them. Many sequential pattern mining algorithms were presented, some of them built suffix trees and performed early pruning while other algorithms used pattern-growth techniques such as projection. A few algorithms performed Apriori-based techniques where lattice trees were built and traversed. However, most algorithms suffer from time and space issues when mining large scale time series sequences. In our paper, we present a solution that utilizes advanced and sophisticated distributed systems such as MapReduce framework. It splits the original sequence and distributes its segments across thousands of nodes in the MapReduce infrastructure. We use different training datasets to evaluate both traditional pattern mining algorithms and our MapReduce solution. After analyzing our solution in terms of time complexity, efficiency and accuracy, we clarify the advantages of processing data segments using periodic pattern mining along with MapReduce framework.

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: none
GenreCandidate signal: Methods · Consensus signal: Methods
Teacher disagreement score0.854
Threshold uncertainty score0.504

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 communication0.0000.001
Open science0.0020.001
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 head0.141
GPT teacher head0.359
Teacher spread0.217 · 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

Citations5
Published2018
Admission routes1
Has abstractyes

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