Triple

T570640
Position Surface form Disambiguated ID Type / Status
Subject Green Line (Washington Metro) E13654 entity
Predicate station P726 FINISHED
Object Navy Yard–Ballpark station
Navy Yard–Ballpark station is a Washington Metro stop in Southeast D.C. serving the Navy Yard area and Nationals Park baseball stadium.
 E101409 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: Navy Yard–Ballpark station | Statement: [Green Line (Washington Metro), station, Navy Yard–Ballpark station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Navy Yard–Ballpark station
Context triple: [Green Line (Washington Metro), station, Navy Yard–Ballpark station]
  • A. Prince George's Plaza station
    Prince George's Plaza station is a Washington Metro rapid transit stop in Hyattsville, Maryland, serving the Green Line and the surrounding commercial and residential areas.
  • B. Braddock Road station
    Braddock Road station is a Washington Metro rapid transit station serving the Braddock Road area of Alexandria, Virginia.
  • C. Roosevelt Island station
    Roosevelt Island station is the aerial tramway stop on New York City’s Roosevelt Island that serves as the eastern end of the Roosevelt Island Tramway connecting to Manhattan.
  • D. Hunting Park station
    Hunting Park station is a subway stop in North Philadelphia serving riders on SEPTA’s Broad Street Line.
  • E. Sullivan Square station
    Sullivan Square station is a major multimodal transit hub in Boston, Massachusetts, serving MBTA Orange Line trains and numerous bus routes that connect the city and surrounding areas.
  • 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: Navy Yard–Ballpark station
Triple: [Green Line (Washington Metro), station, Navy Yard–Ballpark station]
Generated description
Navy Yard–Ballpark station is a Washington Metro stop in Southeast D.C. serving the Navy Yard area and Nationals Park baseball stadium.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Navy Yard–Ballpark station
Target entity description: Navy Yard–Ballpark station is a Washington Metro stop in Southeast D.C. serving the Navy Yard area and Nationals Park baseball stadium.
  • A. Prince George's Plaza station
    Prince George's Plaza station is a Washington Metro rapid transit stop in Hyattsville, Maryland, serving the Green Line and the surrounding commercial and residential areas.
  • B. Braddock Road station
    Braddock Road station is a Washington Metro rapid transit station serving the Braddock Road area of Alexandria, Virginia.
  • C. Roosevelt Island station
    Roosevelt Island station is the aerial tramway stop on New York City’s Roosevelt Island that serves as the eastern end of the Roosevelt Island Tramway connecting to Manhattan.
  • D. Hunting Park station
    Hunting Park station is a subway stop in North Philadelphia serving riders on SEPTA’s Broad Street Line.
  • E. Sullivan Square station
    Sullivan Square station is a major multimodal transit hub in Boston, Massachusetts, serving MBTA Orange Line trains and numerous bus routes that connect the city and surrounding areas.
  • 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_69a4933fa4d88190a7949cc83c08c5c1 completed March 1, 2026, 7:27 p.m.
NER Named-entity recognition batch_69a49b057e708190b4e5975516e58993 completed March 1, 2026, 8:01 p.m.
NED1 Entity disambiguation (via context triple) batch_69a7a3a260888190b89e90c1da061733 completed March 4, 2026, 3:14 a.m.
NEDg Description generation batch_69a7a5d4125481908fa8cbfefe39f7cd completed March 4, 2026, 3:24 a.m.
NED2 Entity disambiguation (via description) batch_69a7a6584acc81908a12da6f0c2faec5 completed March 4, 2026, 3:26 a.m.
Created at: March 1, 2026, 7:33 p.m.