Triple

T676308
Position Surface form Disambiguated ID Type / Status
Subject Silver Line (Washington Metro) E13084 entity
Predicate terminus P388 FINISHED
Object Largo Town Center station
Largo Town Center station is an eastern Washington Metro station in Prince George's County, Maryland, serving as a major transit hub near the Largo area and FedExField.
E136710 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: Largo Town Center station | Statement: [Silver Line (Washington Metro), terminus, Largo Town Center station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Largo Town Center station
Context triple: [Silver Line (Washington Metro), terminus, Largo Town Center station]
  • A. Willow Grove station
    Willow Grove station is a SEPTA Regional Rail stop in Willow Grove, Pennsylvania, serving commuters on the Warminster Line to and from central Philadelphia.
  • B. Friendship Heights station
    Friendship Heights station is a Washington Metro rapid transit station serving the Friendship Heights neighborhood on the Red Line near the D.C.–Maryland border.
  • C. Longwood station
    Longwood station is a light rail stop on Boston's MBTA Green Line that serves the Longwood Medical and Academic Area.
  • D. 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.
  • E. Pentagon City station
    Pentagon City station is a Washington Metro rapid transit stop in Arlington, Virginia, serving the Pentagon City neighborhood and its adjacent shopping and office complexes.
  • 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: Largo Town Center station
Triple: [Silver Line (Washington Metro), terminus, Largo Town Center station]
Generated description
Largo Town Center station is an eastern Washington Metro station in Prince George's County, Maryland, serving as a major transit hub near the Largo area and FedExField.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Largo Town Center station
Target entity description: Largo Town Center station is an eastern Washington Metro station in Prince George's County, Maryland, serving as a major transit hub near the Largo area and FedExField.
  • A. Willow Grove station
    Willow Grove station is a SEPTA Regional Rail stop in Willow Grove, Pennsylvania, serving commuters on the Warminster Line to and from central Philadelphia.
  • B. Friendship Heights station
    Friendship Heights station is a Washington Metro rapid transit station serving the Friendship Heights neighborhood on the Red Line near the D.C.–Maryland border.
  • C. Longwood station
    Longwood station is a light rail stop on Boston's MBTA Green Line that serves the Longwood Medical and Academic Area.
  • D. 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.
  • E. Pentagon City station
    Pentagon City station is a Washington Metro rapid transit stop in Arlington, Virginia, serving the Pentagon City neighborhood and its adjacent shopping and office complexes.
  • 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_69a4933d3bf88190972041cd8cf143b9 completed March 1, 2026, 7:27 p.m.
NER Named-entity recognition batch_69a4a04b2ae881908a5c23453bef8572 completed March 1, 2026, 8:23 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac7623e27c81909022abd9950753d1 completed March 7, 2026, 7:01 p.m.
NEDg Description generation batch_69ac770141a88190b71552d46fb4d2ad completed March 7, 2026, 7:05 p.m.
NED2 Entity disambiguation (via description) batch_69ac777a7768819098b9d4dd771a6750 completed March 7, 2026, 7:07 p.m.
Created at: March 1, 2026, 7:36 p.m.