Triple

T6347147
Position Surface form Disambiguated ID Type / Status
Subject Fort Totten E142772 entity
Predicate servedBy P82 FINISHED
Object Fort Totten station (Washington Metro)
Fort Totten station (Washington Metro) is a major Washington, D.C. Metrorail transfer station where multiple lines intersect, serving the Fort Totten neighborhood and surrounding areas.
 E587109 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: Fort Totten station (Washington Metro) | Statement: [Fort Totten, servedBy, Fort Totten station (Washington Metro)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Fort Totten station (Washington Metro)
Context triple: [Fort Totten, servedBy, Fort Totten station (Washington Metro)]
  • A. Crystal City station (Washington Metro)
    Crystal City station (Washington Metro) is an underground rapid transit station in Arlington, Virginia, serving the Blue and Yellow Lines and providing access to the Crystal City business district near Reagan National Airport.
  • B. Capitol Heights station
    Capitol Heights station is an elevated Washington Metro station in Prince George's County, Maryland, serving the Blue and Silver Lines near the D.C.–Maryland border.
  • C. Rockville station
    Rockville station is a commuter rail and transit hub in Rockville, Maryland, served by MARC’s Brunswick Line and Washington Metro’s Red Line.
  • D. Potomac Yard–VT Metrorail station
    Potomac Yard–VT Metrorail station is a Washington Metro station in Alexandria, Virginia, serving the Blue and Yellow lines and providing transit access to the Potomac Yard redevelopment area and nearby neighborhoods.
  • E. West Hyattsville station
    West Hyattsville station is a Washington Metro rapid transit stop in Hyattsville, Maryland, serving the Green 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: Fort Totten station (Washington Metro)
Triple: [Fort Totten, servedBy, Fort Totten station (Washington Metro)]
Generated description
Fort Totten station (Washington Metro) is a major Washington, D.C. Metrorail transfer station where multiple lines intersect, serving the Fort Totten neighborhood and surrounding areas.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Fort Totten station (Washington Metro)
Target entity description: Fort Totten station (Washington Metro) is a major Washington, D.C. Metrorail transfer station where multiple lines intersect, serving the Fort Totten neighborhood and surrounding areas.
  • A. Crystal City station (Washington Metro)
    Crystal City station (Washington Metro) is an underground rapid transit station in Arlington, Virginia, serving the Blue and Yellow Lines and providing access to the Crystal City business district near Reagan National Airport.
  • B. Capitol Heights station
    Capitol Heights station is an elevated Washington Metro station in Prince George's County, Maryland, serving the Blue and Silver Lines near the D.C.–Maryland border.
  • C. Rockville station
    Rockville station is a commuter rail and transit hub in Rockville, Maryland, served by MARC’s Brunswick Line and Washington Metro’s Red Line.
  • D. Potomac Yard–VT Metrorail station
    Potomac Yard–VT Metrorail station is a Washington Metro station in Alexandria, Virginia, serving the Blue and Yellow lines and providing transit access to the Potomac Yard redevelopment area and nearby neighborhoods.
  • E. West Hyattsville station
    West Hyattsville station is a Washington Metro rapid transit stop in Hyattsville, Maryland, serving the Green 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_69c008d5ab108190b346c465696824a9 completed March 22, 2026, 3:20 p.m.
NER Named-entity recognition batch_69c067ba2c64819094fa38bb2aeffa6c completed March 22, 2026, 10:05 p.m.
NED1 Entity disambiguation (via context triple) batch_69c6044b33fc8190a214c6615d072715 completed March 27, 2026, 4:15 a.m.
NEDg Description generation batch_69c6057466ec8190afe96107862bb40a completed March 27, 2026, 4:20 a.m.
NED2 Entity disambiguation (via description) batch_69c6060a113881909b424d0c47c2107e completed March 27, 2026, 4:22 a.m.
Created at: March 22, 2026, 4:31 p.m.