Triple
T15721159
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Blue Line (Washington Metro) |
E381095
|
entity |
| Predicate | terminus |
P388
|
FINISHED |
| Object | Franconia–Springfield station |
E70216
|
NE FINISHED |
How this triple was built (2 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: Franconia–Springfield station | Statement: [Blue Line (Washington Metro), terminus, Franconia–Springfield station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Franconia–Springfield station Context triple: [Blue Line (Washington Metro), terminus, Franconia–Springfield station]
-
A.
Franconia–Springfield Metro station
chosen
Franconia–Springfield Metro station is a major Washington Metro and Virginia Railway Express transit hub in Fairfax County, Virginia, serving as the southwestern terminus of the Blue Line and a key park-and-ride facility for commuters.
-
B.
Springfield Amtrak station
Springfield Amtrak station is a passenger rail station in downtown Springfield, Illinois, serving Amtrak trains on major routes through the region.
-
C.
Willow Springs station
Willow Springs station is a commuter rail stop in Willow Springs, Illinois, served by Metra’s Heritage Corridor line between Chicago and Joliet.
-
D.
Hinsdale station
Hinsdale station is a historic commuter rail stop in Hinsdale, Illinois, serving passengers on Metra’s BNSF Railway Line between Chicago and its western suburbs.
-
E.
Lincoln station
Lincoln station is a commuter rail stop in Lincoln, Massachusetts, serving passengers on the MBTA's Fitchburg Line.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d86d9bf930819082b30cf6d169297c |
completed | April 10, 2026, 3:25 a.m. |
| NER | Named-entity recognition | batch_69e04fb0b51081908e652ec4992296fa |
completed | April 16, 2026, 2:55 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ff75866b548190b07392b05e631192 |
completed | May 9, 2026, 5:57 p.m. |
Created at: April 10, 2026, 4:45 a.m.