Triple
T11833107
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MARC commuter rail |
E281442
|
entity |
| Predicate | hasStationIn |
P78960
|
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: [MARC commuter rail, hasStationIn, Baltimore Penn Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Baltimore Penn Station Context triple: [MARC commuter rail, hasStationIn, 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.
Baltimore & Ohio Railroad station
The Baltimore & Ohio Railroad station is a historic train depot that served as a key passenger and freight hub for the pioneering B&O Railroad, one of the oldest railroads in the United States.
-
C.
Owings Mills station
Owings Mills station is a rapid transit station in Owings Mills, Maryland, serving as the northwestern end of the Baltimore Metro SubwayLink line and a major park-and-ride hub for commuters.
-
D.
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was an earlier major railroad terminal in Baltimore that served as the city's primary passenger rail hub before being superseded by Pennsylvania Station.
-
E.
West Baltimore station
West Baltimore station is a commuter rail stop in Baltimore, Maryland, served by MARC’s Penn Line trains along the busy Northeast Corridor.
- 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_69d6ab276f8c8190b1966a0ef11349ac |
completed | April 8, 2026, 7:23 p.m. |
| NER | Named-entity recognition | batch_69d8a62c95988190a45dbaa7001c8846 |
completed | April 10, 2026, 7:26 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f16753f4f88190940e53312aff4333 |
completed | April 29, 2026, 2:05 a.m. |
Created at: April 8, 2026, 9:43 p.m.