Triple

T570628
Position Surface form Disambiguated ID Type / Status
Subject Green Line (Washington Metro) E13654 entity
Predicate station P726 FINISHED
Object 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.
 E92522 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: Prince George's Plaza station | Statement: [Green Line (Washington Metro), station, Prince George's Plaza station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Prince George's Plaza station
Context triple: [Green Line (Washington Metro), station, Prince George's Plaza station]
  • A. Braddock Road station
    Braddock Road station is a Washington Metro rapid transit station serving the Braddock Road area of Alexandria, Virginia.
  • 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. 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.
  • D. 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.
  • E. 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.
  • 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: Prince George's Plaza station
Triple: [Green Line (Washington Metro), station, Prince George's Plaza station]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Prince George's Plaza station
Target entity description: 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.
  • A. Braddock Road station
    Braddock Road station is a Washington Metro rapid transit station serving the Braddock Road area of Alexandria, Virginia.
  • 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. 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.
  • D. 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.
  • E. 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.
  • 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_69a6732a8c0881909753261f9256fcf2 completed March 3, 2026, 5:35 a.m.
NEDg Description generation batch_69a6738d22f48190b7933ffeb84e8b9c completed March 3, 2026, 5:37 a.m.
NED2 Entity disambiguation (via description) batch_69a673dc2af88190896776ed418ffa44 completed March 3, 2026, 5:38 a.m.
Created at: March 1, 2026, 7:33 p.m.