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Record W4206769521 · doi:10.1109/ideas.2007.4318107

Stream Processing in a Relational Database: a Case Study

2007· article· en· W4206769521 on OpenAlexaff
A. Hoppe, Jarek Gryz

Bibliographic record

Venuenot available
Typearticle
Languageen
FieldComputer Science
TopicAdvanced Database Systems and Queries
Canadian institutionsYork University
Fundersnot available
KeywordsComputer scienceDatabaseStream processingRelational databaseRelational database management systemPoint (geometry)Distributed computing

Abstract

fetched live from OpenAlex

A consensus seems to have emerged that streams cannot be processed efficiently by relational database engines. This point has been strongly advocated by Michael Stonebreaker, whose StreamBase [19] offers two orders of magnitude better performance in stream processing than a standard DBMS. We faced the challenge and investigated how much improvement in stream processing can be achieved in a standard DBMS just by appropriate tuning and use of features already available there. In this paper, we describe some of the techniques useful for stream processing and show how dramatic performance improvements they can provide. We tend to agree with Stonebreaker that the idea "one size fits all" in no longer applicable to all data-centric applications. However, we also believe that dismissing DBMS as irrelevant in stream processing applications is premature. We hope to show that relational database systems are sufficiently flexible to make the idea "one size may fit you " worth looking into.

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)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Theoretical or conceptual · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: none
Teacher disagreement score0.573
Threshold uncertainty score0.291

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.000
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 science0.0000.000
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 head0.037
GPT teacher head0.318
Teacher spread0.281 · 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.

The models applied no category: nothing in the taxonomy fit this work.
Study designTheoretical or conceptual
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
Published2007
Admission routes1
Has abstractyes

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