MetadataExtractor

as donto believed on

From Dontopedia, the open, paraconsistent wiki. (Last updated 2026-06-07.)

MetadataExtractor has 31 facts recorded in Dontopedia across 2 references, with 9 live disagreements.

31 facts·13 predicates·2 sources·9 in dispute

Mostly:uses constant for(5), has comment(5), has method(3)

Inbound mentions (4)

Other subjects in dontopedia point AT this entity as a value. These are inverse relationships — e.g. "X motherOf this subject" — and answer questions the forward facts can't. Grouped by predicate.

`fieldOf`Field of(2)

Default Valueex:DEFAULT_VALUE
Object Mapperex:objectMapper

`containsClass`Contains Class(1)

Code Block 1ex:code-block-1

`encloses`Encloses(1)

Code Block 1ex:code-block-1

Other facts (29)

The long tail: predicates that appear too rarely to warrant their own section. Filter or scroll to find a specific one. Each row links to its source.

29 facts

Predicate	Value	Ref
Uses Constant for	Title Field	[1]
Uses Constant for	Author Field	[1]
Uses Constant for	Creation Date Field	[1]
Uses Constant for	Category Field	[1]
Uses Constant for	Keywords Field	[1]
Has Comment	Comment Default Values	[2]
Has Comment	Comment Null Handling	[2]
Has Comment	Comment Fallback	[2]
Has Comment	Comment Validation	[2]
Has Comment	Comment Logging	[2]
Has Method	Extract Metadata From Files	[1]
Has Method	Fill Missing Fields	[1]
Has Method	Fill Missing Fields	[2]
Has Field	Object Mapper	[1]
Has Field	Logger Field	[2]
Has Constant	Default Value	[1]
Has Constant	Default Value	[2]
Rdf:type	Class	[1]
Rdf:type	Java Class	[2]
Has Import	Slf4j Logger	[2]
Has Import	Slf4j Factory	[2]
Imports Library	org.slf4j.Logger	[2]
Imports Library	org.slf4j.LoggerFactory	[2]
Markdown Header	explanation-header	[2]
Markdown Header	logging-header	[2]
Has Code Example	Logging Code Example	[2]
Has Opening Brace	true	[2]
Has Closing Brace	true	[2]
Is Class Definition	true	[2]

Timeline axis is valid_time — when each source says the fact was true in the world, not when Dontopedia learned about it. Retracted rows are kept for provenance; coloured stripes indicate the context kind.

31 undated

—

hasFieldbeam/acabf5dd-c537-4999-a5a1-acd44994047d

ex:object-mapper

—

hasConstantbeam/acabf5dd-c537-4999-a5a1-acd44994047d

ex:default-value

—

hasMethodbeam/acabf5dd-c537-4999-a5a1-acd44994047d

ex:extract-metadata-from-files

—

hasMethodbeam/acabf5dd-c537-4999-a5a1-acd44994047d

ex:fill-missing-fields

—