Triple

T7273236
Position Surface form Disambiguated ID Type / Status
Subject Durbin and Greenbrier Valley Railroad E161156 entity
Predicate operatesRoute P3695 FINISHED
Object Durbin Rocket line from Durbin
The Durbin Rocket line from Durbin is a heritage tourist railroad excursion in West Virginia that operates vintage steam-powered trains through scenic mountain landscapes.
E653641 NE FINISHED

How this triple was built (4 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: Durbin Rocket line from Durbin | Statement: [Durbin and Greenbrier Valley Railroad, operatesRoute, Durbin Rocket line from Durbin]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Durbin Rocket line from Durbin
Context triple: [Durbin and Greenbrier Valley Railroad, operatesRoute, Durbin Rocket line from Durbin]
  • A. D Line
    The D Line is a heavy-rail subway route in the Los Angeles Metro system that runs primarily beneath Wilshire Boulevard, serving key neighborhoods between downtown Los Angeles and the city’s west side.
  • B. D Line
    The D Line is a New York City Subway service that runs through multiple boroughs, including Brooklyn, providing rapid transit along a key north–south corridor.
  • C. Smif-N-Wessun
    Smif-N-Wessun is a Brooklyn-based hip hop duo, part of the Boot Camp Clik collective, known for their gritty 1990s East Coast sound and influential debut album "Dah Shinin'."
  • D. BR Derby Works
    BR Derby Works was a major British Rail engineering facility in Derby, England, known for designing and building a wide range of locomotives and rolling stock for the UK rail network.
  • E. M1A line
    The M1A line is a major rapid transit route in the Istanbul Metro system that connects central Istanbul with Atatürk Airport and several key western districts.
  • 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: Durbin Rocket line from Durbin
Triple: [Durbin and Greenbrier Valley Railroad, operatesRoute, Durbin Rocket line from Durbin]
Generated description
The Durbin Rocket line from Durbin is a heritage tourist railroad excursion in West Virginia that operates vintage steam-powered trains through scenic mountain landscapes.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Durbin Rocket line from Durbin
Target entity description: The Durbin Rocket line from Durbin is a heritage tourist railroad excursion in West Virginia that operates vintage steam-powered trains through scenic mountain landscapes.
  • A. D Line
    The D Line is a heavy-rail subway route in the Los Angeles Metro system that runs primarily beneath Wilshire Boulevard, serving key neighborhoods between downtown Los Angeles and the city’s west side.
  • B. D Line
    The D Line is a New York City Subway service that runs through multiple boroughs, including Brooklyn, providing rapid transit along a key north–south corridor.
  • C. Smif-N-Wessun
    Smif-N-Wessun is a Brooklyn-based hip hop duo, part of the Boot Camp Clik collective, known for their gritty 1990s East Coast sound and influential debut album "Dah Shinin'."
  • D. BR Derby Works
    BR Derby Works was a major British Rail engineering facility in Derby, England, known for designing and building a wide range of locomotives and rolling stock for the UK rail network.
  • E. M1A line
    The M1A line is a major rapid transit route in the Istanbul Metro system that connects central Istanbul with Atatürk Airport and several key western districts.
  • F. None of above. chosen

Provenance (5 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_69c6885181008190b419040e22939c7c completed March 27, 2026, 1:38 p.m.
NER Named-entity recognition batch_69c6eb0c68d0819081b2aebba19bf3e8 completed March 27, 2026, 8:39 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7db2936dc8190aed38888bb5e47b8 completed March 28, 2026, 1:44 p.m.
NEDg Description generation batch_69c7df512bac81909e7c413302afd4ea completed March 28, 2026, 2:01 p.m.
NED2 Entity disambiguation (via description) batch_69c7dfcdc3908190a7e5bf653b87ed00 completed March 28, 2026, 2:03 p.m.
Created at: March 27, 2026, 2:58 p.m.