Triple
T1058811
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Blue Line (Washington Metro) |
E22857
|
entity |
| Predicate | stationServed |
P6301
|
FINISHED |
| Object | Franconia–Springfield station |
E70216
|
NE FINISHED |
How this triple was built (3 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), stationServed, 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), stationServed, 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.
Adams/Wabash station
Adams/Wabash station is an elevated Chicago "L" train stop in the Loop, serving multiple lines in the heart of downtown Chicago.
-
D.
Washington/Wabash station
Washington/Wabash station is a Chicago 'L' rapid transit station in the Loop that serves multiple elevated lines and replaced the former Randolph/Wabash and Madison/Wabash stations.
-
E.
Snyder station
Snyder station is an underground rapid transit stop on SEPTA’s Broad Street Line serving South Philadelphia.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: stationServed Context triple: [Blue Line (Washington Metro), stationServed, Franconia–Springfield station]
-
A.
stationName
Indicates the name assigned to a particular station in the relationship.
-
B.
hasRailStation
Indicates that one entity possesses, contains, or is served by a rail station.
-
C.
terminusStation
Indicates that a station serves as the final endpoint or terminal stop for a given route or service.
-
D.
lineServed
chosen
Indicates that a particular transportation line (such as a bus, train, or metro line) provides service to or is operated at a given stop, station, or route segment.
-
E.
transportationServedBy
Indicates that a transportation facility, route, or area is provided service or coverage by a specific transportation provider or mode.
- F. None of above.
Provenance (4 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_69a493dada0481909c43649f9843ea91 |
completed | March 1, 2026, 7:30 p.m. |
| NER | Named-entity recognition | batch_69a4ba6e35ac8190802341c31bda0e3b |
completed | March 1, 2026, 10:15 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ac4c1d82c88190b418e2e2f050b563 |
completed | March 7, 2026, 4:02 p.m. |
| PD | Predicate disambiguation | batch_69a4b7340a048190807363f19d17a58f |
completed | March 1, 2026, 10:01 p.m. |
Created at: March 1, 2026, 7:42 p.m.