Triple

T137322
Position Surface form Disambiguated ID Type / Status
Subject MARC Train E2774 entity
Predicate terminus P388 FINISHED
Object Martinsburg station
Martinsburg station is a historic passenger rail station in Martinsburg, West Virginia, serving MARC commuter trains and Amtrak services on the former Baltimore & Ohio Railroad line.
E17938 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: Martinsburg station | Statement: [MARC Train, terminus, Martinsburg station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Martinsburg station
Context triple: [MARC Train, terminus, Martinsburg station]
  • A. Pennsylvania Station (Baltimore)
    Pennsylvania Station (Baltimore) is the main intercity and regional rail hub in Baltimore, Maryland, serving Amtrak and commuter trains along the Northeast Corridor.
  • B. Princeton Station
    Princeton Station is a small commuter rail station in Princeton, New Jersey, serving as the terminus of the short "Dinky" shuttle line that connects the town and Princeton University to the Northeast Corridor.
  • C. Martinsburg, West Virginia
    Martinsburg, West Virginia is a small historic city in the eastern panhandle of the state, known as a regional hub for transportation, commerce, and access to the Washington, D.C. metropolitan area.
  • D. Vermont/Sunset station
    Vermont/Sunset station is an underground Los Angeles Metro Rail station in East Hollywood serving the B Line.
  • E. Shirley station
    Shirley station is a commuter rail stop in Shirley, Massachusetts, serving passengers on the MBTA Fitchburg Line.
  • 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: Martinsburg station
Triple: [MARC Train, terminus, Martinsburg station]
Generated description
Martinsburg station is a historic passenger rail station in Martinsburg, West Virginia, serving MARC commuter trains and Amtrak services on the former Baltimore & Ohio Railroad line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Martinsburg station
Target entity description: Martinsburg station is a historic passenger rail station in Martinsburg, West Virginia, serving MARC commuter trains and Amtrak services on the former Baltimore & Ohio Railroad line.
  • A. Pennsylvania Station (Baltimore)
    Pennsylvania Station (Baltimore) is the main intercity and regional rail hub in Baltimore, Maryland, serving Amtrak and commuter trains along the Northeast Corridor.
  • B. Princeton Station
    Princeton Station is a small commuter rail station in Princeton, New Jersey, serving as the terminus of the short "Dinky" shuttle line that connects the town and Princeton University to the Northeast Corridor.
  • C. Martinsburg, West Virginia
    Martinsburg, West Virginia is a small historic city in the eastern panhandle of the state, known as a regional hub for transportation, commerce, and access to the Washington, D.C. metropolitan area.
  • D. Vermont/Sunset station
    Vermont/Sunset station is an underground Los Angeles Metro Rail station in East Hollywood serving the B Line.
  • E. Shirley station
    Shirley station is a commuter rail stop in Shirley, Massachusetts, serving passengers on the MBTA Fitchburg Line.
  • 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_69a2521e35c08190b28e5c9f1e3c9b59 completed Feb. 28, 2026, 2:25 a.m.
NER Named-entity recognition batch_69a257a6cab88190944c8f74d8d1605c completed Feb. 28, 2026, 2:49 a.m.
NED1 Entity disambiguation (via context triple) batch_69a2c52c563c81908a53f3dbe1eb7455 completed Feb. 28, 2026, 10:36 a.m.
NEDg Description generation batch_69a2c5f4c6c08190a54543e7cbdbae14 completed Feb. 28, 2026, 10:39 a.m.
NED2 Entity disambiguation (via description) batch_69a2c658297481908c6d6a845be7152c completed Feb. 28, 2026, 10:41 a.m.
Created at: Feb. 28, 2026, 2:31 a.m.