Triple

T106486
Position Surface form Disambiguated ID Type / Status
Subject Union Pacific Railroad E2147 entity
Predicate operatesFacility P4904 FINISHED
Object Bailey Yard
Bailey Yard is the world’s largest railroad classification yard, located in North Platte, Nebraska, and serving as a major hub for freight train operations in the United States.
E24503 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: Bailey Yard | Statement: [Union Pacific Railroad, operatesFacility, Bailey Yard]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Bailey Yard
Context triple: [Union Pacific Railroad, operatesFacility, Bailey Yard]
  • A. Johnson Park
    Johnson Park is a large public riverside park in Piscataway, New Jersey, known for its open green spaces, walking paths, and recreational facilities along the Raritan River.
  • B. Victory Park
    Victory Park is a mixed-use urban district in downtown Dallas, Texas, known for its entertainment venues, residential and office spaces, and proximity to major sports and event facilities.
  • C. Comiskey Park
    Comiskey Park was a historic Major League Baseball stadium in Chicago that served as the longtime home of the Chicago White Sox.
  • D. Patriot Place
    Patriot Place is a large open-air shopping, dining, and entertainment complex located adjacent to Gillette Stadium in Foxborough, Massachusetts.
  • E. Railroad Park
    Railroad Park is a popular urban green space and community gathering spot in downtown Birmingham, Alabama, known for its walking trails, ponds, and skyline views.
  • 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: Bailey Yard
Triple: [Union Pacific Railroad, operatesFacility, Bailey Yard]
Generated description
Bailey Yard is the world’s largest railroad classification yard, located in North Platte, Nebraska, and serving as a major hub for freight train operations in the United States.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Bailey Yard
Target entity description: Bailey Yard is the world’s largest railroad classification yard, located in North Platte, Nebraska, and serving as a major hub for freight train operations in the United States.
  • A. Johnson Park
    Johnson Park is a large public riverside park in Piscataway, New Jersey, known for its open green spaces, walking paths, and recreational facilities along the Raritan River.
  • B. Victory Park
    Victory Park is a mixed-use urban district in downtown Dallas, Texas, known for its entertainment venues, residential and office spaces, and proximity to major sports and event facilities.
  • C. Comiskey Park
    Comiskey Park was a historic Major League Baseball stadium in Chicago that served as the longtime home of the Chicago White Sox.
  • D. Patriot Place
    Patriot Place is a large open-air shopping, dining, and entertainment complex located adjacent to Gillette Stadium in Foxborough, Massachusetts.
  • E. Railroad Park
    Railroad Park is a popular urban green space and community gathering spot in downtown Birmingham, Alabama, known for its walking trails, ponds, and skyline views.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: operatesFacility
Context triple: [Union Pacific Railroad, operatesFacility, Bailey Yard]
  • A. operatesOver
    Indicates that one entity performs actions or exerts functional control across, upon, or throughout another entity or domain.
  • B. operatesBy
    Indicates that an entity performs its function, action, or process through the use or application of another entity (e.g., a method, mechanism, or principle).
  • C. operatesWithin
    Indicates that one entity carries out its activities, functions, or operations inside the scope, boundaries, or jurisdiction defined by another entity.
  • D. hasFacilityType
    Indicates that an entity possesses or is associated with a specific type or category of facility.
  • E. operatedAs
    Indicates that an entity functioned or was used in the capacity, role, or identity of another entity for some period of time.
  • F. None of above. chosen

Provenance (7 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_69a24e0a5b7c81908d52da08c60dabc4 completed Feb. 28, 2026, 2:08 a.m.
NER Named-entity recognition batch_69a256ec650c8190bee2067e37065527 completed Feb. 28, 2026, 2:46 a.m.
NED1 Entity disambiguation (via context triple) batch_69a30cc33a10819087668612b65e1eb5 completed Feb. 28, 2026, 3:41 p.m.
NEDg Description generation batch_69a30e47c4bc8190bbee2f9b5e9f52d4 completed Feb. 28, 2026, 3:48 p.m.
NED2 Entity disambiguation (via description) batch_69a30e9e681c8190ac50fb7429b26d17 completed Feb. 28, 2026, 3:49 p.m.
PD Predicate disambiguation batch_69a2563d33788190999d471b486d5603 completed Feb. 28, 2026, 2:43 a.m.
PDg Predicate description generation batch_69a256ea776081908fec36c3fdfb8d84 completed Feb. 28, 2026, 2:46 a.m.
Created at: Feb. 28, 2026, 2:12 a.m.