WebAssembly specification

E3761

binary format specification instruction set architecture specification technical standard web standard

The WebAssembly specification is a standardized, low-level binary instruction format designed to enable high-performance, portable code execution on the web and other platforms.

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All labels observed (16)

Label	Occurrences
WebAssembly	68
WebAssembly core specification	5
WebAssembly specification canonical	4
WebAssembly MVP	2
WebAssembly binary format	2
ECMAScript WebAssembly specification	1
Wasm	1
Wasm specification	1
WebAssembly 1.0	1
WebAssembly Core Specification	1
WebAssembly binary encoding	1
WebAssembly binary format (.wasm)	1
WebAssembly core	1
WebAssembly execution model	1
WebAssembly spec	1
WebAssembly standard	1

How this entity was disambiguated

This entity first appeared as the object of triple T20845 — 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: WebAssembly specification
Context triple: [World Wide Web Consortium, developsStandard, WebAssembly specification]

A. W3C Recommendation
A W3C Recommendation is a mature, stable web standard published by the World Wide Web Consortium to promote interoperability and best practices across the World Wide Web.
B. IEEE 754 floating‑point arithmetic standard
The IEEE 754 floating‑point arithmetic standard is the globally adopted specification that defines formats and rules for representing and performing binary and decimal floating‑point calculations in computer systems.
C. WAS
WAS is the standard three-letter abbreviation used for the Washington Commanders NFL franchise.
D. WAS
WAS is the station code for Washington, D.C.’s main intercity and commuter rail hub, Union Station.
E. WAI
WAI (Web Accessibility Initiative) is a World Wide Web Consortium (W3C) program that develops guidelines, resources, and standards to make the web accessible to people with disabilities.
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: WebAssembly specification
Target entity description: The WebAssembly specification is a standardized, low-level binary instruction format designed to enable high-performance, portable code execution on the web and other platforms.

A. W3C Recommendation
A W3C Recommendation is a mature, stable web standard published by the World Wide Web Consortium to promote interoperability and best practices across the World Wide Web.
B. IEEE 754 floating‑point arithmetic standard
The IEEE 754 floating‑point arithmetic standard is the globally adopted specification that defines formats and rules for representing and performing binary and decimal floating‑point calculations in computer systems.
C. WAS
WAS is the standard three-letter abbreviation used for the Washington Commanders NFL franchise.
D. WAS
WAS is the station code for Washington, D.C.’s main intercity and commuter rail hub, Union Station.
E. WAI
WAI (Web Accessibility Initiative) is a World Wide Web Consortium (W3C) program that develops guidelines, resources, and standards to make the web accessible to people with disabilities.
F. None of above. chosen

Statements (52)

Predicate	Object
instanceOf	binary format specification ⓘ instruction set architecture specification ⓘ technical standard ⓘ web standard ⓘ
abbreviation	Wasm specification ⓘ linked to: WebAssembly specification
alsoTargets	non-web platforms ⓘ
defines	WebAssembly ⓘ linked to: WebAssembly specification
definesConcept	WebAssembly function ⓘ WebAssembly module ⓘ control flow instructions ⓘ execution semantics ⓘ export ⓘ host environment interaction ⓘ import ⓘ linear memory ⓘ memory instructions ⓘ module instantiation ⓘ numeric instructions ⓘ table ⓘ type system ⓘ validation ⓘ
definesFormat	low-level binary instruction format ⓘ textual representation of WebAssembly modules ⓘ
designGoal	backwards compatibility of modules ⓘ efficient validation and compilation ⓘ language-agnostic compilation target ⓘ portability across hardware architectures ⓘ streaming compilation support ⓘ
initialPublicationYear	2017 ⓘ
language	English ⓘ
name	WebAssembly Core Specification ⓘ linked to: WebAssembly specification
primaryDomain	client-side web execution ⓘ web platform ⓘ
publisher	W3C WebAssembly Working Group ⓘ linked to: W3C Working Group World Wide Web Consortium ⓘ
purpose	define a safe, sandboxed execution environment ⓘ enable high-performance code execution in web browsers ⓘ enable near-native performance on the web ⓘ provide a portable compilation target for high-level languages ⓘ
relatedSpecification	WASI specification ⓘ WebAssembly JavaScript Interface ⓘ WebAssembly System Interface ⓘ WebAssembly Web API ⓘ linked to: WebAssembly JavaScript Interface
securityProperty	deterministic execution semantics ⓘ sandboxed execution model ⓘ
shortName	WebAssembly spec ⓘ linked to: WebAssembly specification
standardizedBy	W3C ⓘ linked to: World Wide Web Consortium
status	W3C Recommendation ⓘ
targetEnvironment	embedded environments ⓘ standalone runtimes ⓘ web browsers ⓘ
versioningModel	feature-based evolution ⓘ

How these facts were elicited