Triple

T570635
Position Surface form Disambiguated ID Type / Status
Subject Green Line (Washington Metro) E13654 entity
Predicate station P726 FINISHED
Object Mount Vernon Square station
Mount Vernon Square station is a Washington Metro rapid transit stop in downtown Washington, D.C., serving the Green and Yellow Lines near the Mount Vernon Square and Convention Center area.
 E100094 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: Mount Vernon Square station | Statement: [Green Line (Washington Metro), station, Mount Vernon Square station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Mount Vernon Square station
Context triple: [Green Line (Washington Metro), station, Mount Vernon Square station]
  • A. Dupont Circle station
    Dupont Circle station is a Washington, D.C. Metro station on the Red Line serving the Dupont Circle neighborhood and nearby areas such as Kalorama.
  • B. Columbia Heights station
    Columbia Heights station is a Washington, D.C. Metro stop on the Green and Yellow lines serving the Columbia Heights neighborhood and nearby Adams Morgan area.
  • C. 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.
  • D. Foggy Bottom–GWU station
    Foggy Bottom–GWU station is a Washington, D.C. Metrorail station on the Blue, Orange, and Silver lines serving the George Washington University campus and nearby landmarks including the Kennedy Center.
  • E. Woodley Park–Zoo/Adams Morgan station
    Woodley Park–Zoo/Adams Morgan station is a Washington, D.C. Metro station on the Red Line that serves the Woodley Park and Adams Morgan neighborhoods near the National Zoo.
  • 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: Mount Vernon Square station
Triple: [Green Line (Washington Metro), station, Mount Vernon Square station]
Generated description
Mount Vernon Square station is a Washington Metro rapid transit stop in downtown Washington, D.C., serving the Green and Yellow Lines near the Mount Vernon Square and Convention Center area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Mount Vernon Square station
Target entity description: Mount Vernon Square station is a Washington Metro rapid transit stop in downtown Washington, D.C., serving the Green and Yellow Lines near the Mount Vernon Square and Convention Center area.
  • A. Dupont Circle station
    Dupont Circle station is a Washington, D.C. Metro station on the Red Line serving the Dupont Circle neighborhood and nearby areas such as Kalorama.
  • B. Columbia Heights station
    Columbia Heights station is a Washington, D.C. Metro stop on the Green and Yellow lines serving the Columbia Heights neighborhood and nearby Adams Morgan area.
  • C. 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.
  • D. Foggy Bottom–GWU station
    Foggy Bottom–GWU station is a Washington, D.C. Metrorail station on the Blue, Orange, and Silver lines serving the George Washington University campus and nearby landmarks including the Kennedy Center.
  • E. Woodley Park–Zoo/Adams Morgan station
    Woodley Park–Zoo/Adams Morgan station is a Washington, D.C. Metro station on the Red Line that serves the Woodley Park and Adams Morgan neighborhoods near the National Zoo.
  • 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_69a7927a25b081909b553fe3a486e84a completed March 4, 2026, 2:01 a.m.
NEDg Description generation batch_69a796fc8de08190a8bc1fff36d3ea9d completed March 4, 2026, 2:20 a.m.
NED2 Entity disambiguation (via description) batch_69a79773ce988190bd019e1bd03a3464 completed March 4, 2026, 2:22 a.m.
Created at: March 1, 2026, 7:33 p.m.