@prefix IAO: . @prefix dcterms: . @prefix met: . @prefix owl: . @prefix pkg: . @prefix rdfs: . @prefix xsd: . met:Assembly a owl:NamedIndividual, met:ProgrammingLanguage ; rdfs:label "Assembly"@en ; met:isGarbageCollected false ; met:isMemorySafe false ; met:languageName "Assembly" . met:C a owl:NamedIndividual, met:ProgrammingLanguage ; rdfs:label "C"@en ; met:isGarbageCollected false ; met:isMemorySafe false ; met:languageName "C" . met:CSharp a owl:NamedIndividual, met:ProgrammingLanguage ; rdfs:label "C#"@en ; met:isGarbageCollected true ; met:isMemorySafe true ; met:languageName "C#" . met:Cpp a owl:NamedIndividual, met:ProgrammingLanguage ; rdfs:label "C++"@en ; met:isGarbageCollected false ; met:isMemorySafe false ; met:languageName "C++" . met:Go a owl:NamedIndividual, met:ProgrammingLanguage ; rdfs:label "Go"@en ; met:isGarbageCollected true ; met:isMemorySafe true ; met:languageName "Go" . met:Java a owl:NamedIndividual, met:ProgrammingLanguage ; rdfs:label "Java"@en ; met:isGarbageCollected true ; met:isMemorySafe true ; met:languageName "Java" . met:JavaScript a owl:NamedIndividual, met:ProgrammingLanguage ; rdfs:label "JavaScript"@en ; met:isGarbageCollected true ; met:isMemorySafe true ; met:languageName "JavaScript" . met:Perl a owl:NamedIndividual, met:ProgrammingLanguage ; rdfs:label "Perl"@en ; met:isGarbageCollected true ; met:isMemorySafe true ; met:languageName "Perl" . met:Python a owl:NamedIndividual, met:ProgrammingLanguage ; rdfs:label "Python"@en ; met:isGarbageCollected true ; met:isMemorySafe true ; met:languageName "Python" . met:Ruby a owl:NamedIndividual, met:ProgrammingLanguage ; rdfs:label "Ruby"@en ; met:isGarbageCollected true ; met:isMemorySafe true ; met:languageName "Ruby" . met:Rust a owl:NamedIndividual, met:ProgrammingLanguage ; rdfs:label "Rust"@en ; met:isGarbageCollected false ; met:isMemorySafe true ; met:languageName "Rust" . met:Shell a owl:NamedIndividual, met:ProgrammingLanguage ; rdfs:label "Shell"@en ; met:isGarbageCollected false ; met:isMemorySafe true ; met:languageName "Shell" . met:TypeScript a owl:NamedIndividual, met:ProgrammingLanguage ; rdfs:label "TypeScript"@en ; met:isGarbageCollected true ; met:isMemorySafe true ; met:languageName "TypeScript" . met:analysisDate a owl:DatatypeProperty ; rdfs:label "analysis date"@en ; IAO:0000115 "The date when the code metrics analysis was performed."@en ; rdfs:comment "The date when the code metrics analysis was performed"@en ; rdfs:domain met:CodeMetrics ; rdfs:isDefinedBy met: ; rdfs:range xsd:dateTime . met:blankLines a owl:DatatypeProperty ; rdfs:label "blank lines"@en ; IAO:0000115 "Number of blank lines in files of this language."@en ; rdfs:comment "Number of blank lines in files of this language"@en ; rdfs:domain met:LanguageMetrics ; rdfs:isDefinedBy met: ; rdfs:range xsd:integer . met:commentLines a owl:DatatypeProperty ; rdfs:label "comment lines"@en ; IAO:0000115 "Number of comment lines in files of this language."@en ; rdfs:comment "Number of comment lines in files of this language"@en ; rdfs:domain met:LanguageMetrics ; rdfs:isDefinedBy met: ; rdfs:range xsd:integer . met:cyclomaticComplexity a owl:DatatypeProperty ; rdfs:label "cyclomatic complexity"@en ; IAO:0000115 "Average cyclomatic complexity per function in this language, measuring the number of independent paths through the code. Higher values indicate more complex branching logic."@en ; rdfs:comment "Average cyclomatic complexity of functions in this language"@en ; rdfs:domain met:LanguageMetrics ; rdfs:isDefinedBy met: ; rdfs:range xsd:float . met:filesCount a owl:DatatypeProperty ; rdfs:label "files count"@en ; IAO:0000115 "Number of source files in this programming language."@en ; rdfs:comment "Number of source files in this programming language"@en ; rdfs:domain met:LanguageMetrics ; rdfs:isDefinedBy met: ; rdfs:range xsd:integer . met:halsteadEffort a owl:DatatypeProperty ; rdfs:label "Halstead effort"@en ; IAO:0000115 "Average Halstead effort metric per function in this language, estimating the mental effort required to understand the code based on operator and operand counts."@en ; rdfs:comment "Average Halstead effort metric for functions in this language"@en ; rdfs:domain met:LanguageMetrics ; rdfs:isDefinedBy met: ; rdfs:range xsd:float . met:hasCodeMetrics a owl:ObjectProperty ; rdfs:label "has code metrics"@en ; IAO:0000115 "Associates a package version with its code analysis results."@en ; rdfs:comment "Associates a package version with its code analysis results"@en ; rdfs:domain pkg:Version ; rdfs:isDefinedBy met: ; rdfs:range met:CodeMetrics . met:implementedIn a owl:ObjectProperty ; rdfs:label "implemented in"@en ; IAO:0000115 "Associates a package with the programming languages it is implemented in."@en ; rdfs:comment "Associates a package with the programming languages it is implemented in"@en ; rdfs:domain pkg:Package ; rdfs:isDefinedBy met: ; rdfs:range met:ProgrammingLanguage . met:isGarbageCollected a owl:DatatypeProperty, owl:FunctionalProperty ; rdfs:label "is garbage collected"@en ; IAO:0000115 "Whether the language uses automatic garbage collection for memory management."@en ; rdfs:comment "Whether the language uses automatic garbage collection"@en ; rdfs:domain met:ProgrammingLanguage ; rdfs:isDefinedBy met: ; rdfs:range xsd:boolean . met:isMemorySafe a owl:DatatypeProperty, owl:FunctionalProperty ; rdfs:label "is memory safe"@en ; IAO:0000115 "Whether the language provides memory safety guarantees through its type system or runtime."@en ; rdfs:comment "Whether the language provides memory safety guarantees"@en ; rdfs:domain met:ProgrammingLanguage ; rdfs:isDefinedBy met: ; rdfs:range xsd:boolean . met:language a owl:ObjectProperty ; rdfs:label "language"@en ; IAO:0000115 "Identifies the programming language for a set of language-specific metrics."@en ; rdfs:comment "Identifies the programming language for a set of language-specific metrics"@en ; rdfs:domain met:LanguageMetrics ; rdfs:isDefinedBy met: ; rdfs:range met:ProgrammingLanguage . met:languageProportion a owl:DatatypeProperty ; rdfs:label "language proportion"@en ; IAO:0000115 "The fraction of the total codebase written in this language, measured by lines of code (not files or bytes), from 0.0 to 1.0."@en ; rdfs:comment "The fraction of the total codebase in this language, from 0.0 to 1.0"@en ; rdfs:domain met:LanguageMetrics ; rdfs:isDefinedBy met: ; rdfs:range xsd:float . met:linesOfCode a owl:DatatypeProperty ; rdfs:label "lines of code"@en ; IAO:0000115 "Physical lines of code (LOC) in this specific programming language, as counted by cloc or similar tools. Includes all non-blank, non-comment lines. This is a physical line count, not logical SLOC."@en ; rdfs:comment "Lines of code in this specific programming language"@en ; rdfs:domain met:LanguageMetrics ; rdfs:isDefinedBy met: ; rdfs:range xsd:integer . met:totalBlankLines a owl:DatatypeProperty ; rdfs:label "total blank lines"@en ; IAO:0000115 "Total blank lines across all source files."@en ; rdfs:comment "Total blank lines across all source files"@en ; rdfs:domain met:CodeMetrics ; rdfs:isDefinedBy met: ; rdfs:range xsd:integer . met:totalCommentLines a owl:DatatypeProperty ; rdfs:label "total comment lines"@en ; IAO:0000115 "Total comment lines across all source files."@en ; rdfs:comment "Total comment lines across all source files"@en ; rdfs:domain met:CodeMetrics ; rdfs:isDefinedBy met: ; rdfs:range xsd:integer . met:totalFiles a owl:DatatypeProperty ; rdfs:label "total files"@en ; IAO:0000115 "Total number of source files in the analyzed version."@en ; rdfs:comment "Total number of source files in the analyzed version"@en ; rdfs:domain met:CodeMetrics ; rdfs:isDefinedBy met: ; rdfs:range xsd:integer . met:totalLinesOfCode a owl:DatatypeProperty ; rdfs:label "total lines of code"@en ; IAO:0000115 "Total physical lines of code (LOC) across all languages in the analyzed version. Sum of per-language linesOfCode values."@en ; rdfs:comment "Total lines of code across all languages in the analyzed version"@en ; rdfs:domain met:CodeMetrics ; rdfs:isDefinedBy met: ; rdfs:range xsd:integer . met:hasLanguageMetrics a owl:ObjectProperty ; rdfs:label "has language metrics"@en ; IAO:0000115 "Links summary code metrics to per-language breakdowns."@en ; rdfs:comment "Links summary code metrics to per-language breakdowns"@en ; rdfs:domain met:CodeMetrics ; rdfs:isDefinedBy met: ; rdfs:range met:LanguageMetrics . met:languageName a owl:DatatypeProperty, owl:FunctionalProperty ; rdfs:label "language name"@en ; IAO:0000115 "The canonical name of the programming language."@en ; rdfs:comment "The canonical name of the programming language"@en ; rdfs:domain met:ProgrammingLanguage ; rdfs:isDefinedBy met: ; rdfs:range xsd:string . met:CodeMetrics a owl:Class ; rdfs:label "Code Metrics"@en ; IAO:0000115 "Summary code analysis results for a specific version of a software package."@en ; rdfs:comment "Summary code analysis results for a specific version of a software package"@en ; rdfs:isDefinedBy met: ; rdfs:subClassOf [ a owl:Restriction ; owl:minCardinality 1 ; owl:onProperty met:hasLanguageMetrics ], owl:Thing . met:LanguageMetrics a owl:Class ; rdfs:label "Language Metrics"@en ; IAO:0000115 "Per-language code analysis breakdown within a set of code metrics, providing detailed statistics for a single programming language."@en ; rdfs:comment "Per-language code analysis breakdown within a set of code metrics"@en ; rdfs:isDefinedBy met: ; rdfs:subClassOf owl:Thing . met:ProgrammingLanguage a owl:Class ; rdfs:label "Programming Language"@en ; IAO:0000115 "A programming language used in software development."@en ; rdfs:comment "A programming language used in software development"@en ; rdfs:isDefinedBy met: ; rdfs:subClassOf [ a owl:Restriction ; owl:cardinality 1 ; owl:onProperty met:languageName ], owl:Thing . met: a owl:Ontology ; rdfs:label "Package Metrics Ontology"@en ; dcterms:abstract "The Metrics ontology captures quantitative code analysis data for packages, including lines of code, cyclomatic complexity, and per-language breakdowns. It enables queries that correlate package size and complexity with dependency counts, maintainer activity, or vulnerability exposure across distributions." ; dcterms:created "2025-09-05"^^xsd:date ; dcterms:creator ; dcterms:description "A comprehensive ontology for modeling programming languages, code analysis metrics, and per-language breakdowns including lines of code, complexity measures, and language characteristics." ; dcterms:license ; dcterms:modified "2026-04-21"^^xsd:date ; dcterms:title "Package Metrics Ontology" ; rdfs:comment "Ontology for representing programming languages, code metrics, and per-language analysis breakdowns for software packages"@en ; rdfs:isDefinedBy met: ; rdfs:seeAlso ; owl:imports pkg: ; owl:priorVersion ; owl:versionIRI ; owl:versionInfo "0.7.0" .