Selectors Level 3
E571424
Selectors Level 3 is a W3C CSS specification that defines the syntax and behavior of selectors used to target elements in web documents for styling and scripting.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Selectors Level 3 canonical | 7 |
| CSS Level 3 selector capabilities | 1 |
| selectors-3 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6134007 — 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: Selectors Level 3 Context triple: [CSS Level 3 modules, includesModule, Selectors Level 3]
-
A.
CSS Level 3 modules
CSS Level 3 modules are a collection of W3C specifications that extend and refine Cascading Style Sheets by defining advanced layout, styling, and presentation features for the web.
-
B.
CSS Level 4
CSS Level 4 refers to the next generation of Cascading Style Sheets specifications that introduce more advanced layout, styling, and design capabilities for the web beyond earlier CSS levels.
-
C.
CSS Level 2.1
CSS Level 2.1 is a refined and clarified revision of the CSS2 specification that became the primary W3C recommendation for defining the presentation of HTML and XML documents on the web.
-
D.
CSS Level 2
CSS Level 2 is a W3C-defined style sheet language specification that extends the original CSS with more advanced layout, positioning, and media features for web documents.
-
E.
XPath 3.1
XPath 3.1 is a version of the XML Path Language that extends earlier editions with features like maps, arrays, and higher-order functions for more powerful querying and transformation of XML and related data.
- 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: Selectors Level 3 Target entity description: Selectors Level 3 is a W3C CSS specification that defines the syntax and behavior of selectors used to target elements in web documents for styling and scripting.
-
A.
CSS Level 3 modules
CSS Level 3 modules are a collection of W3C specifications that extend and refine Cascading Style Sheets by defining advanced layout, styling, and presentation features for the web.
-
B.
CSS Level 4
CSS Level 4 refers to the next generation of Cascading Style Sheets specifications that introduce more advanced layout, styling, and design capabilities for the web beyond earlier CSS levels.
-
C.
CSS Level 2.1
CSS Level 2.1 is a refined and clarified revision of the CSS2 specification that became the primary W3C recommendation for defining the presentation of HTML and XML documents on the web.
-
D.
CSS Level 2
CSS Level 2 is a W3C-defined style sheet language specification that extends the original CSS with more advanced layout, positioning, and media features for web documents.
-
E.
XPath 3.1
XPath 3.1 is a version of the XML Path Language that extends earlier editions with features like maps, arrays, and higher-order functions for more powerful querying and transformation of XML and related data.
- F. None of above. chosen
Statements (61)
| Predicate | Object |
|---|---|
| instanceOf |
W3C specification
ⓘ
technical standard ⓘ |
| appliesTo |
HTML documents
ⓘ
XML documents ⓘ |
| area |
cascading style sheets
ⓘ
linked to:
Cascading Style Sheets (CSS)
web development ⓘ web standards ⓘ |
| constrains | how user agents must match selectors ⓘ |
| defines |
::after pseudo-element
ⓘ
::before pseudo-element ⓘ ::first-letter pseudo-element ⓘ ::first-line pseudo-element ⓘ :active pseudo-class ⓘ :empty pseudo-class ⓘ :first-child pseudo-class ⓘ :first-of-type pseudo-class ⓘ :focus pseudo-class ⓘ :hover pseudo-class ⓘ :lang() pseudo-class ⓘ :last-child pseudo-class ⓘ :last-of-type pseudo-class ⓘ :link pseudo-class ⓘ :not() pseudo-class ⓘ :nth-child() pseudo-class ⓘ :nth-last-child() pseudo-class ⓘ :nth-last-of-type() pseudo-class ⓘ :nth-of-type() pseudo-class ⓘ :only-child pseudo-class ⓘ :only-of-type pseudo-class ⓘ :root pseudo-class ⓘ :visited pseudo-class ⓘ CSS selectors behavior ⓘ CSS selectors syntax ⓘ ID selectors ⓘ adjacent sibling combinator ⓘ attribute selectors ⓘ case-sensitivity of attribute selectors ⓘ child combinator ⓘ class selectors ⓘ combinators ⓘ descendant combinator ⓘ general sibling combinator ⓘ namespace prefixes in selectors ⓘ selector matching rules ⓘ selector pseudo-classes ⓘ selector pseudo-elements ⓘ selector specificity rules ⓘ type selectors ⓘ universal selector ⓘ |
| extends | CSS2 selectors model ⓘ |
| fullName | Selectors Level 3 ⓘ |
| partOf | CSS ⓘ |
| publishedBy |
W3C
ⓘ
linked to:
World Wide Web Consortium
World Wide Web Consortium ⓘ |
| relatedTo |
CSS2.1
ⓘ
linked to:
CSS Level 2.1
Selectors Level 4 ⓘ |
| shortName |
selectors-3
ⓘ
linked to:
Selectors Level 3
|
| status | W3C Recommendation ⓘ |
| usedFor |
selecting elements for scripting
ⓘ
styling elements in web documents ⓘ |
| webPage | https://www.w3.org/TR/selectors-3/ ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Selectors Level 3 Description of subject: Selectors Level 3 is a W3C CSS specification that defines the syntax and behavior of selectors used to target elements in web documents for styling and scripting.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Selectors Level 3
linked to: Selectors Level 3