Triple

T731672
Position Surface form Disambiguated ID Type / Status
Subject Barstow E14843 entity
Predicate hasRailFacility P19495 FINISHED
Object Barstow Yard
Barstow Yard is a major railroad classification and freight yard in Barstow, California, serving as a key hub for train operations in the region.
E85916 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: Barstow Yard | Statement: [Barstow, hasRailFacility, Barstow Yard]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Barstow Yard
Context triple: [Barstow, hasRailFacility, Barstow Yard]
  • A. North Avenue Light Rail Yard
    North Avenue Light Rail Yard is a major maintenance, storage, and operations facility serving Baltimore’s Light RailLink system.
  • B. Redding station
    Redding station is a small commuter rail stop in Redding, Connecticut, serving passengers on the Metro-North Railroad’s Danbury Branch.
  • C. Riverside station
    Riverside station is a major Massachusetts Bay Transportation Authority light rail station and park-and-ride hub located in Newton, Massachusetts.
  • D. Corry Station
    Corry Station is a U.S. Navy installation in Escambia County, Florida, primarily known as a training center for information warfare, cryptology, and related technical fields.
  • E. Cecil B. Moore station
    Cecil B. Moore station is a subway stop on Philadelphia’s Broad Street Line serving the Temple University area and surrounding North Philadelphia neighborhoods.
  • 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: Barstow Yard
Triple: [Barstow, hasRailFacility, Barstow Yard]
Generated description
Barstow Yard is a major railroad classification and freight yard in Barstow, California, serving as a key hub for train operations in the region.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Barstow Yard
Target entity description: Barstow Yard is a major railroad classification and freight yard in Barstow, California, serving as a key hub for train operations in the region.
  • A. North Avenue Light Rail Yard
    North Avenue Light Rail Yard is a major maintenance, storage, and operations facility serving Baltimore’s Light RailLink system.
  • B. Redding station
    Redding station is a small commuter rail stop in Redding, Connecticut, serving passengers on the Metro-North Railroad’s Danbury Branch.
  • C. Riverside station
    Riverside station is a major Massachusetts Bay Transportation Authority light rail station and park-and-ride hub located in Newton, Massachusetts.
  • D. Corry Station
    Corry Station is a U.S. Navy installation in Escambia County, Florida, primarily known as a training center for information warfare, cryptology, and related technical fields.
  • E. Cecil B. Moore station
    Cecil B. Moore station is a subway stop on Philadelphia’s Broad Street Line serving the Temple University area and surrounding North Philadelphia neighborhoods.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hasRailFacility
Context triple: [Barstow, hasRailFacility, Barstow Yard]
  • A. hasRailStation
    Indicates that one entity possesses, contains, or is served by a rail station.
  • B. usesRailInfrastructureOf
    Indicates that one entity operates on, accesses, or otherwise makes use of the rail infrastructure owned or managed by another entity.
  • C. hasRailSystem
    Indicates that an entity possesses or is served by a rail-based transportation system.
  • D. hasRailwayStation
    Indicates that a place or location is served by, or contains, a railway station.
  • E. hasTransportHub
    Indicates that a location contains or serves as a central facility where multiple transport routes or modes connect for passenger or cargo movement.
  • 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_69a4934d9930819099eed80096b0597d completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a4a66820548190b373deb117187c2c completed March 1, 2026, 8:49 p.m.
NED1 Entity disambiguation (via context triple) batch_69a6375fd8388190bb4a13bf4b151bfd completed March 3, 2026, 1:20 a.m.
NEDg Description generation batch_69a63814e01081909304d6f01374e5a0 completed March 3, 2026, 1:23 a.m.
NED2 Entity disambiguation (via description) batch_69a638b43e748190a809b089c35ab1c9 completed March 3, 2026, 1:26 a.m.
PD Predicate disambiguation batch_69a4a4f9b7608190bf97c8418a26e632 completed March 1, 2026, 8:43 p.m.
PDg Predicate description generation batch_69a4a66658948190bdae6e521951954f completed March 1, 2026, 8:49 p.m.
Created at: March 1, 2026, 7:37 p.m.