From Dontopedia, the open, paraconsistent wiki. (Last updated 2026-06-07.)
Validate Metadata has 100 facts recorded in Dontopedia across 9 references, with 20 live disagreements.
Mostly:has parameter(8), checks(8), rdfs:label(7)
calledByrdf:typeerrorMessageraisescheckslogscommentraisesValueErrorpartOferrorLogMessagelogsErrorWhenOther 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.
usedInUsed in(7)ex:boolean-logicex:code-patternex:conditional-logicex:exception-handlingex:field-access-patternex:or-operatorex:pythoncallsCalls(3)ex:extract_metadata_documentsex:ingest_metadataex:process_documentappliesToApplies to(2)ex:partial-implementationex:positive-assessmentcallsFunctionCalls Function(2)ex:example_usageex:test_validate_metadataincludesStepIncludes Step(2)ex:metadata-validationex:workflowtargetedAtTargeted at(2)ex:extension-suggestionex:suggestionusedByUsed by(2)ex:error_message_missing_fieldsex:error_message_type_validationassessedForAssessed for(1)ex:code-qualityassessesAssesses(1)ex:code-reviewcalledBeforeCalled Before(1)ex:normalize_metadatacallsInSequenceCalls in Sequence(1)ex:extract_metadata_documentsconsistsOfConsists of(1)ex:function-chainconsistsOfStepConsists of Step(1)ex:metadata-pipelinecontainsFunctionContains Function(1)ex:unittest-code-blockenablesEnables(1)ex:normalize_metadatafollowedByFollowed by(1)ex:sequence-2hasStepHas Step(1)ex:extract_metadata_then_normalize_then_validateincludesComponentIncludes Component(1)ex:metadata-processingpassedToPassed to(1)ex:normalized_metadataprecedesPrecedes(1)ex:normalize_metadatapredecessorOfPredecessor of(1)ex:normalize_metadataproducedByProduced by(1)ex:validation_resultthenCallsThen Calls(1)ex:function_sequencethirdStepThird Step(1)ex:step-sequenceThe 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.
| Predicate | Value | Ref |
|---|---|---|
| Raises Exception When | non_string_title_or_author | [3] |
| Raises Exception When | missing_required_fields | [3] |
| Exception Message | Title and author must be strings | [4] |
| Exception Message | Missing required fields | [4] |
| Checks Key Presence | 'author' not in metadata | [4] |
| Checks Key Presence | 'title' not in metadata | [4] |
| Checks Condition | title presence | [4] |
| Checks Condition | author presence | [4] |
| Has Validation Check | Required Fields Check | [9] |
| Has Validation Check | Type Check | [9] |
| Checks for Key | title | [6] |
| Checks for Key | author | [6] |
| Checks Presence of | Author Field | [1] |
| Checks Presence of | Title Field | [1] |
| Checks Key Existence | title | [8] |
| Checks Key Existence | author | [8] |
| Rdfs:label | validate_metadata | [6] |
| Rdfs:label | validate_metadata | [3] |
| Rdfs:label | validate_metadata | [4] |
| Rdfs:label | validate_metadata | [5] |
| Rdfs:label | validate_metadata | [8] |
| Rdfs:label | validate_metadata | [2] |
| Rdfs:label | validate_metadata | [1] |
| Raises Exception | ValueError | [4] |
| Raises Exception | ValueError | [3] |
| Purpose | validate-metadata | [7] |
| Expected Return Value | True | [7] |
| Called in | Test Validate Metadata | [7] |
| Except Block Action | log_and_reraise | [3] |
| Error Message Format | f-string | [3] |
| Exception Handler | Except Block | [3] |
| Encloses | Try Block | [3] |
| Catches | Exception | [3] |
| Logs Debug When | metadata_is_valid | [3] |
| Placeholder Comment | ... validate other fields ... | [4] |
| Checks Author Type | str | [4] |
| Checks Title Type | str | [4] |
| Handles Multiple Fields | true | [4] |
| Exception Type | Value Error | [9] |
| Pipeline Stage | 3 | [6] |
| Error Condition | title not in metadata or author not in metadata | [6] |
| Raises Error on Missing Key | Missing required fields | [6] |
| Ellipsis Content | ... validate other fields ... | [6] |
| Has Ellipsis | true | [6] |
| Has Additional Validation | true | [6] |
| Raises Error | ValueError | [6] |
| Accepts As Argument | normalized_metadata | [1] |
| Raises Type Error When | Invalid String Types | [1] |
| Raises Error When | Missing Required Fields | [1] |
| Depends on | Normalize Metadata | [8] |
| Checks Multiple Conditions | true | [8] |
| Indicates Additional Validations | true | [8] |
| Indicates Incomplete Code | true | [8] |
| Follows | Normalize Metadata | [8] |
| Description | is also good | [8] |
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.
doc:beam/6d530de5-e717-4448-9410-cc50786f11ab[Turn 4438] User: I'm trying to optimize the performance of the metadata extraction and normalization process. The current implementation uses a simple iterative approach, but I'm looking for ways to improve the efficiency. Can you suggest …
doc:beam/d7ec8fc9-5f05-40f5-b612-57b74a0b7adfThe `normalize_metadata` function looks good, but you might want to add more normalization steps depending on your requirements. For example, removing leading/trailing spaces or handling special characters. ```python def normalize_metadata…
doc:beam/d9c72668-b906-482c-b262-cc3a3a3c706d### Example Code Let's walk through the full example, including the conversion and parallel processing: ```python import pandas as pd from joblib import Parallel, delayed import time # Sample DataFrame to simulate document records docume…
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