Triple

T10071817
Position Surface form Disambiguated ID Type / Status
Subject Shady Grove station E213645 entity
Predicate category P87 FINISHED
Object Red Line (Washington Metro) stations
Red Line (Washington Metro) stations are the passenger rail stops served by the Red Line of the Washington, D.C. Metrorail rapid transit system.
 E839370 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: Red Line (Washington Metro) stations | Statement: [Shady Grove station, category, Red Line (Washington Metro) stations]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Red Line (Washington Metro) stations
Context triple: [Shady Grove station, category, Red Line (Washington Metro) stations]
  • A. Silver Line (Washington Metro) stations
    Silver Line (Washington Metro) stations are the passenger rail stops served by the Silver Line of the Washington, D.C. Metrorail system, primarily connecting downtown Washington with northern Virginia suburbs and Dulles International Airport.
  • B. Washington Metro Blue Line stations
    Washington Metro Blue Line stations are the network of rapid transit stops in the Washington, D.C. metropolitan area served by the Blue Line of the Washington Metro system.
  • C. Washington Metro Orange Line stations
    Washington Metro Orange Line stations are the network of rapid transit stops in the Washington, D.C. area served by the system’s Orange Line, connecting key downtown, suburban, and regional destinations.
  • D. Orange Line (Washington Metro)
    The Orange Line of the Washington Metro is a rapid transit line in the Washington, D.C. metropolitan area that runs generally east–west, connecting suburbs in Virginia and Maryland with downtown Washington.
  • E. Blue Line (Washington Metro)
    The Blue Line is one of the primary rapid transit lines of the Washington Metro system, running through downtown Washington, D.C., and connecting key locations in Virginia and Maryland.
  • 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: Red Line (Washington Metro) stations
Triple: [Shady Grove station, category, Red Line (Washington Metro) stations]
Generated description
Red Line (Washington Metro) stations are the passenger rail stops served by the Red Line of the Washington, D.C. Metrorail rapid transit system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Red Line (Washington Metro) stations
Target entity description: Red Line (Washington Metro) stations are the passenger rail stops served by the Red Line of the Washington, D.C. Metrorail rapid transit system.
  • A. Silver Line (Washington Metro) stations
    Silver Line (Washington Metro) stations are the passenger rail stops served by the Silver Line of the Washington, D.C. Metrorail system, primarily connecting downtown Washington with northern Virginia suburbs and Dulles International Airport.
  • B. Washington Metro Blue Line stations
    Washington Metro Blue Line stations are the network of rapid transit stops in the Washington, D.C. metropolitan area served by the Blue Line of the Washington Metro system.
  • C. Washington Metro Orange Line stations
    Washington Metro Orange Line stations are the network of rapid transit stops in the Washington, D.C. area served by the system’s Orange Line, connecting key downtown, suburban, and regional destinations.
  • D. Orange Line (Washington Metro)
    The Orange Line of the Washington Metro is a rapid transit line in the Washington, D.C. metropolitan area that runs generally east–west, connecting suburbs in Virginia and Maryland with downtown Washington.
  • E. Blue Line (Washington Metro)
    The Blue Line is one of the primary rapid transit lines of the Washington Metro system, running through downtown Washington, D.C., and connecting key locations in Virginia and Maryland.
  • 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_69ca839add308190b57d53b4ec21f2d0 completed March 30, 2026, 2:07 p.m.
NER Named-entity recognition batch_69cdd01279388190b94c8def00425c78 completed April 2, 2026, 2:10 a.m.
NED1 Entity disambiguation (via context triple) batch_69d29aaa61308190b134b49a6c1c1131 completed April 5, 2026, 5:23 p.m.
NEDg Description generation batch_69d29e8617c08190bf4fb02ac40caba3 completed April 5, 2026, 5:40 p.m.
NED2 Entity disambiguation (via description) batch_69d29f20b2f48190906d7e53fb1e5544 completed April 5, 2026, 5:42 p.m.
Created at: March 30, 2026, 8:59 p.m.