.NET Standard Library

E34652

.NET technology API specification

The .NET Standard Library is a formal specification of .NET APIs designed to provide a common, cross-platform base for building reusable libraries across different .NET implementations.

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All labels observed (13)

Label	Occurrences
.NET Standard	15
.NET Standard 1.3	3
.NET API	1
.NET Core Base Class Library	1
.NET Standard (API surface)	1
.NET Standard (as primary target for new libraries)	1
.NET Standard (legacy API specification)	1
.NET Standard (various versions, partially)	1
.NET Standard 1.0	1
.NET Standard Library canonical	1
Base Class Library	1
Base Class Library (BCL)	1
CoreFX	1

How this entity was disambiguated

This entity first appeared as the object of triple T265116 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: .NET Standard Library
Context triple: [C#, ecosystem, .NET Standard Library]

A. .NET Framework
The .NET Framework is a Windows-based software development platform and runtime environment that provides a large class library and supports multiple programming languages for building and running applications.
B. C# programming language
C# is a modern, object-oriented programming language designed for building a wide range of applications on the .NET platform, known for its strong typing, rich standard library, and integration with Visual Studio.
C. Visual Studio
Visual Studio is Microsoft's integrated development environment (IDE) used for building, debugging, and deploying applications across Windows, web, cloud, and mobile platforms.
D. F Reactor
F Reactor was one of the early plutonium production reactors at the Hanford Site in Washington, built during the Manhattan Project to support the U.S. nuclear weapons program.
E. STL
STL is a common abbreviation and nickname for the city of St. Louis, Missouri.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: .NET Standard Library
Target entity description: The .NET Standard Library is a formal specification of .NET APIs designed to provide a common, cross-platform base for building reusable libraries across different .NET implementations.

A. .NET Framework
The .NET Framework is a Windows-based software development platform and runtime environment that provides a large class library and supports multiple programming languages for building and running applications.
B. C# programming language
C# is a modern, object-oriented programming language designed for building a wide range of applications on the .NET platform, known for its strong typing, rich standard library, and integration with Visual Studio.
C. Visual Studio
Visual Studio is Microsoft's integrated development environment (IDE) used for building, debugging, and deploying applications across Windows, web, cloud, and mobile platforms.
D. F Reactor
F Reactor was one of the early plutonium production reactors at the Hanford Site in Washington, built during the Manhattan Project to support the U.S. nuclear weapons program.
E. STL
STL is a common abbreviation and nickname for the city of St. Louis, Missouri.
F. None of above. chosen

Statements (47)

Predicate	Object
instanceOf	.NET technology ⓘ API specification ⓘ
alsoKnownAs	.NET Standard ⓘ linked to: .NET Standard Library
announced	around 2016 ⓘ
benefit	simplifies multi-targeting of libraries ⓘ single binary can run on multiple .NET implementations ⓘ
category	software development standard ⓘ
defines	set of .NET APIs ⓘ uniform API surface ⓘ
designedFor	code sharing ⓘ cross-platform development ⓘ reusable libraries ⓘ
developer	Microsoft ⓘ
documentedAt	https://learn.microsoft.com/dotnet/standard/net-standard ⓘ
firstStableVersion	1.0 ⓘ
governs	API availability across .NET implementations ⓘ
hasComponent	Base Class Library ⓘ linked to: .NET Standard Library
includesNamespace	System ⓘ System.Collections ⓘ System.IO ⓘ System.Linq ⓘ linked to: LINQ System.Net ⓘ System.Reflection ⓘ System.Threading ⓘ
introducedBy	.NET Core team ⓘ
notableVersion	1.0 ⓘ 1.3 ⓘ 1.6 ⓘ 2.0 ⓘ 2.1 ⓘ
partOf	.NET ecosystem ⓘ
platform	.NET ⓘ linked to: .NET ecosystem
purpose	to improve portability of .NET libraries ⓘ to provide a common base of APIs for all .NET implementations ⓘ to reduce API fragmentation across .NET platforms ⓘ
replaced	portable class libraries (PCLs) ⓘ
status	still supported for library targeting ⓘ
supersededBy	.NET 5 unified target framework model ⓘ
supports	.NET 5 and later via compatibility mapping ⓘ .NET Core ⓘ .NET Framework ⓘ Mono ⓘ Universal Windows Platform ⓘ Xamarin ⓘ
targetFrameworkMoniker	netstandard ⓘ
usedWith	NuGet packages ⓘ linked to: NuGet package manager
versioningModel	monotonic versioning where higher versions are supersets of lower versions ⓘ

How these facts were elicited

Referenced by (29)

Full triples — surface form annotated when it differs from this entity's canonical label.

C# → ecosystem → .NET Standard Library ⓘ

subject linked to: C# programming language

.NET Standard Library → alsoKnownAs → .NET Standard ⓘ