Triple

T591500
Position Surface form Disambiguated ID Type / Status
Subject Warminster Line E17280 entity
Predicate usesStation P726 FINISHED
Object 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.
 E110914 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: Willow Grove station | Statement: [Warminster Line, usesStation, Willow Grove station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Willow Grove station
Context triple: [Warminster Line, usesStation, Willow Grove station]
  • A. Hunt Valley station
    Hunt Valley station is a light rail transit station in Hunt Valley, Maryland, serving as the northern endpoint of the Baltimore Light RailLink system.
  • B. Hunting Park station
    Hunting Park station is a subway stop in North Philadelphia serving riders on SEPTA’s Broad Street Line.
  • C. Braddock Road station
    Braddock Road station is a Washington Metro rapid transit station serving the Braddock Road area of Alexandria, Virginia.
  • D. 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.
  • 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: Willow Grove station
Triple: [Warminster Line, usesStation, Willow Grove station]
Generated description
Willow Grove station is a SEPTA Regional Rail stop in Willow Grove, Pennsylvania, serving commuters on the Warminster Line to and from central Philadelphia.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Willow Grove station
Target entity description: Willow Grove station is a SEPTA Regional Rail stop in Willow Grove, Pennsylvania, serving commuters on the Warminster Line to and from central Philadelphia.
  • A. Hunt Valley station
    Hunt Valley station is a light rail transit station in Hunt Valley, Maryland, serving as the northern endpoint of the Baltimore Light RailLink system.
  • B. Hunting Park station
    Hunting Park station is a subway stop in North Philadelphia serving riders on SEPTA’s Broad Street Line.
  • C. Braddock Road station
    Braddock Road station is a Washington Metro rapid transit station serving the Braddock Road area of Alexandria, Virginia.
  • D. 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.
  • 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_69a49379d09c8190ac7e00b24e2810b1 completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a49bbaf53081908eed240bed09f63b completed March 1, 2026, 8:04 p.m.
NED1 Entity disambiguation (via context triple) batch_69a826c02e6c8190843304ae6e27ae37 completed March 4, 2026, 12:34 p.m.
NEDg Description generation batch_69a83522fd90819083fb32eb7189e1e6 completed March 4, 2026, 1:35 p.m.
NED2 Entity disambiguation (via description) batch_69a835c147e08190ad7451472ebd2c72 completed March 4, 2026, 1:38 p.m.
Created at: March 1, 2026, 7:33 p.m.