Triple

T5445977
Position Surface form Disambiguated ID Type / Status
Subject Tennessee Coal, Iron and Railroad Company E122248 entity
Predicate majorOperationsCenter P18768 FINISHED
Object Birmingham District
The Birmingham District is a historically significant industrial region in Alabama known for its rich coal, iron ore, and limestone resources that fueled major steel and iron production.
E521022 NE FINISHED

How this triple was built (5 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Birmingham District | Statement: [Tennessee Coal, Iron and Railroad Company, majorOperationsCenter, Birmingham District]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Birmingham District
Context triple: [Tennessee Coal, Iron and Railroad Company, majorOperationsCenter, Birmingham District]
  • A. Metropolitan Borough of Birmingham
    The Metropolitan Borough of Birmingham was a former local government district in England that encompassed the rapidly industrializing city of Birmingham and its surrounding areas before later administrative reorganization.
  • B. Birmingham West
    Birmingham West was a former UK parliamentary constituency in the city of Birmingham, England, represented in the House of Commons during the late 19th and early 20th centuries.
  • C. Metropolitan Borough of Dudley
    The Metropolitan Borough of Dudley is a local government district in the West Midlands of England that encompasses the large town of Dudley and surrounding urban areas within the Black Country.
  • D. West Midlands
    West Midlands is a metropolitan county and region in central England that includes major cities such as Birmingham, Coventry, and Wolverhampton and serves as a key industrial and cultural hub.
  • E. Sandwell
    Sandwell is a metropolitan borough in the West Midlands of England, forming part of the Birmingham conurbation and encompassing several former industrial towns.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Birmingham District
Triple: [Tennessee Coal, Iron and Railroad Company, majorOperationsCenter, Birmingham District]
Generated description
The Birmingham District is a historically significant industrial region in Alabama known for its rich coal, iron ore, and limestone resources that fueled major steel and iron production.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Birmingham District
Target entity description: The Birmingham District is a historically significant industrial region in Alabama known for its rich coal, iron ore, and limestone resources that fueled major steel and iron production.
  • A. Metropolitan Borough of Birmingham
    The Metropolitan Borough of Birmingham was a former local government district in England that encompassed the rapidly industrializing city of Birmingham and its surrounding areas before later administrative reorganization.
  • B. Birmingham West
    Birmingham West was a former UK parliamentary constituency in the city of Birmingham, England, represented in the House of Commons during the late 19th and early 20th centuries.
  • C. Metropolitan Borough of Dudley
    The Metropolitan Borough of Dudley is a local government district in the West Midlands of England that encompasses the large town of Dudley and surrounding urban areas within the Black Country.
  • D. West Midlands
    West Midlands is a metropolitan county and region in central England that includes major cities such as Birmingham, Coventry, and Wolverhampton and serves as a key industrial and cultural hub.
  • E. Sandwell
    Sandwell is a metropolitan borough in the West Midlands of England, forming part of the Birmingham conurbation and encompassing several former industrial towns.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: majorOperationsCenter
Context triple: [Tennessee Coal, Iron and Railroad Company, majorOperationsCenter, Birmingham District]
  • A. majorOperation
    Indicates that one entity performs or undergoes a significant, large-scale, or primary operation or procedure involving another entity or context.
  • B. majorOperationsOf
    Indicates that one entity is a primary or significant operation, activity, or functional undertaking associated with another entity.
  • C. mobilizationCentre
    Indicates a location where resources, personnel, or equipment are gathered and organized in preparation for deployment or coordinated action.
  • D. centralWork
    Indicates that a particular work is the primary, most important, or focal work associated with an entity or context.
  • E. centralLocation chosen
    Indicates that one entity serves as the primary or central place associated with another entity.
  • F. None of above.

Provenance (6 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69bd4640f52c81909e653ec361f66d76 completed March 20, 2026, 1:06 p.m.
NER Named-entity recognition batch_69bd95be329c81908783420cf81b6af5 completed March 20, 2026, 6:45 p.m.
NED1 Entity disambiguation (via context triple) batch_69bf413573c08190beae400c485d2132 completed March 22, 2026, 1:09 a.m.
NEDg Description generation batch_69bf4364b2f48190b69cc27ca6900892 completed March 22, 2026, 1:18 a.m.
NED2 Entity disambiguation (via description) batch_69bf43b523a88190938662ae89eba502 completed March 22, 2026, 1:19 a.m.
PD Predicate disambiguation batch_69bd919e8d18819098c4af6a015e5cc2 completed March 20, 2026, 6:27 p.m.
Created at: March 20, 2026, 2:07 p.m.