Triple

T15318572
Position Surface form Disambiguated ID Type / Status
Subject VRE Fredericksburg Line E366226 entity
Predicate terminus P388 FINISHED
Object Fredericksburg station
Fredericksburg station is a historic passenger rail station in Fredericksburg, Virginia, serving Amtrak and Virginia Railway Express commuter trains.
E1150415 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: Fredericksburg station | Statement: [VRE Fredericksburg Line, terminus, Fredericksburg station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Fredericksburg station
Context triple: [VRE Fredericksburg Line, terminus, Fredericksburg station]
  • A. Manassas station
    Manassas station is a historic passenger rail station in Manassas, Virginia, serving as a key stop for Virginia Railway Express commuter trains and Amtrak services.
  • B. Charlottesville station
    Charlottesville station is a passenger rail station in Charlottesville, Virginia, that serves as a regional transportation hub for Amtrak services in the area.
  • C. 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.
  • D. Appomattox Station
    Appomattox Station is a historic Civil War site in Appomattox County, Virginia, associated with the final days of the Confederacy and the surrender of General Robert E. Lee.
  • E. Manassas Park VRE station
    Manassas Park VRE station is a Virginia Railway Express commuter rail stop serving the city of Manassas Park in Northern Virginia.
  • 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: Fredericksburg station
Triple: [VRE Fredericksburg Line, terminus, Fredericksburg station]
Generated description
Fredericksburg station is a historic passenger rail station in Fredericksburg, Virginia, serving Amtrak and Virginia Railway Express commuter trains.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Fredericksburg station
Target entity description: Fredericksburg station is a historic passenger rail station in Fredericksburg, Virginia, serving Amtrak and Virginia Railway Express commuter trains.
  • A. Manassas station
    Manassas station is a historic passenger rail station in Manassas, Virginia, serving as a key stop for Virginia Railway Express commuter trains and Amtrak services.
  • B. Charlottesville station
    Charlottesville station is a passenger rail station in Charlottesville, Virginia, that serves as a regional transportation hub for Amtrak services in the area.
  • C. 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.
  • D. Appomattox Station
    Appomattox Station is a historic Civil War site in Appomattox County, Virginia, associated with the final days of the Confederacy and the surrender of General Robert E. Lee.
  • E. Manassas Park VRE station
    Manassas Park VRE station is a Virginia Railway Express commuter rail stop serving the city of Manassas Park in Northern Virginia.
  • 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_69d85a121520819093dcce999fdefe1a completed April 10, 2026, 2:01 a.m.
NER Named-entity recognition batch_69e03dd356b881908f054b64eee6a371 completed April 16, 2026, 1:39 a.m.
NED1 Entity disambiguation (via context triple) batch_69fef8a9085881909904152c32b0fed1 completed May 9, 2026, 9:04 a.m.
NEDg Description generation batch_69fefc8251d08190bf8a764f83f89d7e completed May 9, 2026, 9:21 a.m.
NED2 Entity disambiguation (via description) batch_69fefd6c2bf88190b17a03be7b3353e3 completed May 9, 2026, 9:25 a.m.
Created at: April 10, 2026, 3:16 a.m.