Triple
T1414302
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Baltimore Light Rail |
E31876
|
entity |
| Predicate | connectsWith |
P37
|
FINISHED |
| Object | Amtrak services at 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: Amtrak services at Baltimore Penn Station | Statement: [Baltimore Light Rail, connectsWith, Amtrak services at Baltimore Penn Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Amtrak services at Baltimore Penn Station Context triple: [Baltimore Light Rail, connectsWith, Amtrak services at Baltimore Penn Station]
-
A.
Amtrak services at Chicago Union Station
Amtrak services at Chicago Union Station comprise a major hub of intercity passenger rail routes connecting Chicago with numerous destinations across the United States.
-
B.
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.
-
C.
Amtrak Midwest services
Amtrak Midwest services are a network of state-supported intercity passenger rail routes connecting major cities across the Midwestern United States.
-
D.
Jackson Amtrak station
Jackson Amtrak station is a historic passenger rail station in Jackson, Michigan, serving Amtrak trains on the Wolverine line between Chicago and Detroit/Pontiac.
-
E.
Amtrak Wolverine service
Amtrak Wolverine service is a passenger rail line operated by Amtrak that runs between Chicago and Pontiac in Michigan, serving key cities across the state.
- 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_69a49919a994819086528951bc224775 |
completed | March 1, 2026, 7:52 p.m. |
| NER | Named-entity recognition | batch_69a4c3e5f9d08190861206934cd71fd8 |
completed | March 1, 2026, 10:55 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ace5812abc819091894509e9d6bd77 |
completed | March 8, 2026, 2:57 a.m. |
Created at: March 1, 2026, 7:59 p.m.