Triple
T951204
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Acela |
E20525
|
entity |
| Predicate | servesStation |
P839
|
FINISHED |
| Object | Baltimore Penn Station |
E6568
|
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: Baltimore Penn Station | Statement: [Acela, servesStation, Baltimore Penn Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Baltimore Penn Station Context triple: [Acela, servesStation, Baltimore Penn Station]
-
A.
Pennsylvania Station (Baltimore)
chosen
Pennsylvania Station (Baltimore) is the main intercity and regional rail hub in Baltimore, Maryland, serving Amtrak and commuter trains along the Northeast Corridor.
-
B.
Union Station (Baltimore)
Union Station (Baltimore) was an earlier major railroad terminal in Baltimore that served as the city's primary passenger rail hub before being superseded by Pennsylvania Station.
-
C.
Camden Station
Camden Station is a historic Baltimore train station that now serves as a key commuter rail hub and gateway to the city’s downtown and sports stadiums.
-
D.
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.
-
E.
Brunswick station
Brunswick station is a passenger rail station in Brunswick, Maryland, serving as the western endpoint of MARC's Brunswick Line commuter service.
- 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_69a493b0f2fc81908cd227480a5356a1 |
completed | March 1, 2026, 7:29 p.m. |
| NER | Named-entity recognition | batch_69a4b3d62e408190855b2883407f6c6b |
completed | March 1, 2026, 9:47 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69aca2d3cb588190882a480c18147384 |
completed | March 7, 2026, 10:12 p.m. |
Created at: March 1, 2026, 7:40 p.m.