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Record W2133307643 · doi:10.1109/wcre.2002.1173084

Semantic grep: regular expressions + relational abstraction

2003· article· en· W2133307643 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
TopicAdvanced Database Systems and Queries
Canadian institutionsUniversity of Waterloo
Fundersnot available
KeywordsComputer scienceRelational databaseAbstractionRegular expressionSemantic matchingProgramming languagePattern matchingMatching (statistics)Expression (computer science)Semantic data modelExtension (predicate logic)Information retrieval

Abstract

fetched live from OpenAlex

Searching source code is one of the most common activities of software engineers. Text editors and other support tools normally provide searching based on lexical expressions (regular expressions). Some more advanced editors provide a way to add semantic direction to some of the searches. Recent research has focused on advancing the semantic options available to text-based queries. Most of these results make use of heavy weight relational database management technology. In this paper we explore the extension of lexical pattern matching by means of light weight relational queries, implemented using a tool called grok. A "semantic grep" (sgrep) command was implemented, which translates queries in a mixed algebraic and lexical language into a combination of grok queries and grep commands. This paper presents the design decisions behind sgrep, and example queries that can be posed. The paper concludes with a case study in which sgrep was used to identify architectural anomalies in PostgreSQL, an open source Database Management System.

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: Theoretical or conceptual · Consensus signal: none
GenreCandidate signal: Methods · Consensus signal: Methods
Teacher disagreement score0.971
Threshold uncertainty score0.205

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 science0.0000.000
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 head0.021
GPT teacher head0.245
Teacher spread0.223 · 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

Citations25
Published2003
Admission routes1
Has abstractyes

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