Triple
T3264674
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | New Carrollton, Maryland |
E68495
|
entity |
| Predicate | servedByMARCLine |
P1293
|
FINISHED |
| Object | Penn Line |
E27724
|
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: Penn Line | Statement: [New Carrollton, Maryland, servedByMARCLine, Penn Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Penn Line Context triple: [New Carrollton, Maryland, servedByMARCLine, Penn Line]
-
A.
Penn Line
chosen
The Penn Line is a MARC commuter rail service in Maryland that runs along the busy Northeast Corridor between Washington, D.C., and Perryville, serving major intermediate stops such as Baltimore.
-
B.
The Main Line
"The Main Line" is a 1914 American silent drama film written by Beatrice DeMille, notable as part of her early screenwriting career in the emerging Hollywood film industry.
-
C.
Keystone Corridor
Keystone Corridor is a major passenger rail route in Pennsylvania that connects Philadelphia with Harrisburg and other central Pennsylvania destinations.
-
D.
Elgin-O'Hare Expressway
The Elgin-O'Hare Expressway is a major suburban Chicago highway corridor that connects communities in DuPage and Cook counties and provides access to O'Hare International Airport.
-
E.
South Side Main Line
The South Side Main Line is a key elevated rapid transit corridor on Chicago's 'L' system that carries multiple Green Line services through the city's South Side.
- 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: servedByMARCLine Context triple: [New Carrollton, Maryland, servedByMARCLine, Penn Line]
-
A.
servedByLine
chosen
Indicates that a transportation stop, station, or location is provided service by a specific transit line.
-
B.
servedByService
Indicates that something is provided, handled, or fulfilled by a particular service.
-
C.
lineServed
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.
-
D.
servesLine
Indicates that a transportation stop, station, or facility is on and provides service for a particular transit line.
-
E.
alsoServedBy
Indicates that the same service, function, or role is additionally provided or fulfilled by another entity alongside the primary one.
- 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_69ad8590444081909e8107a8aeef3a23 |
completed | March 8, 2026, 2:20 p.m. |
| NER | Named-entity recognition | batch_69adafcb2da08190a7f4fefdfe6d0098 |
completed | March 8, 2026, 5:20 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b28ee82a78819082582a24bac97f44 |
completed | March 12, 2026, 10:01 a.m. |
| PD | Predicate disambiguation | batch_69ada41d7eac8190ada4bf5f793d5c49 |
completed | March 8, 2026, 4:30 p.m. |
Created at: March 8, 2026, 3:09 p.m.