Triple
T16770510
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ashburn |
E407579
|
entity |
| Predicate | hasMetraStation |
P726
|
FINISHED |
| Object |
Ashburn station
Ashburn station is a commuter rail stop on Metra’s SouthWest Service line serving the Ashburn neighborhood on Chicago’s Southwest Side.
|
E1232630
|
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: Ashburn station | Statement: [Ashburn, hasMetraStation, Ashburn station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Ashburn station Context triple: [Ashburn, hasMetraStation, Ashburn station]
-
A.
Ashburn station
Ashburn station is a Washington Metro Silver Line terminus located in Loudoun County, Virginia, serving as a major commuter hub for the outer suburbs of the Washington, D.C. metropolitan area.
-
B.
Herndon station
Herndon station is a Washington Metro rail station in Herndon, Virginia, on the Silver Line serving the Dulles Technology Corridor and surrounding suburbs.
-
C.
Lorton station
Lorton station is the northern terminus of Amtrak’s Auto Train service, located in Lorton, Virginia.
-
D.
McLean station
McLean station is a Washington Metro rapid transit stop in McLean, Virginia, providing service to the nearby Tysons business district.
-
E.
Arlington station
Arlington station is an underground light rail stop on Boston's MBTA Green Line located near the Back Bay and Boston Public Garden.
- 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: Ashburn station Triple: [Ashburn, hasMetraStation, Ashburn station]
Generated description
Ashburn station is a commuter rail stop on Metra’s SouthWest Service line serving the Ashburn neighborhood on Chicago’s Southwest Side.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Ashburn station Target entity description: Ashburn station is a commuter rail stop on Metra’s SouthWest Service line serving the Ashburn neighborhood on Chicago’s Southwest Side.
-
A.
Ashburn station
Ashburn station is a Washington Metro Silver Line terminus located in Loudoun County, Virginia, serving as a major commuter hub for the outer suburbs of the Washington, D.C. metropolitan area.
-
B.
Herndon station
Herndon station is a Washington Metro rail station in Herndon, Virginia, on the Silver Line serving the Dulles Technology Corridor and surrounding suburbs.
-
C.
Lorton station
Lorton station is the northern terminus of Amtrak’s Auto Train service, located in Lorton, Virginia.
-
D.
McLean station
McLean station is a Washington Metro rapid transit stop in McLean, Virginia, providing service to the nearby Tysons business district.
-
E.
Arlington station
Arlington station is an underground light rail stop on Boston's MBTA Green Line located near the Back Bay and Boston Public Garden.
- 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_69d8839174188190909f190097207065 |
completed | April 10, 2026, 4:58 a.m. |
| NER | Named-entity recognition | batch_69e3b0361e5081908f58edf766ff3ce0 |
completed | April 18, 2026, 4:24 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a00a5361c3881909be0fb9b83a59993 |
completed | May 10, 2026, 3:33 p.m. |
| NEDg | Description generation | batch_6a00a727e66481908b98e10a8bbe9747 |
completed | May 10, 2026, 3:41 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a00a7f776788190b1467c478b5c1a33 |
completed | May 10, 2026, 3:44 p.m. |
Created at: April 10, 2026, 5:21 a.m.