Triple
T2636409
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Lanham, Maryland |
E59756
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object | MARC Penn Line (nearby) |
E48336
|
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: MARC Penn Line (nearby) | Statement: [Lanham, Maryland, servedBy, MARC Penn Line (nearby)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: MARC Penn Line (nearby) Context triple: [Lanham, Maryland, servedBy, MARC Penn Line (nearby)]
-
A.
MARC Penn Line
chosen
The MARC Penn Line is a Maryland commuter rail service that runs along the Amtrak Northeast Corridor between Washington, D.C., and Perryville, serving numerous communities in Prince George’s County and beyond.
-
B.
MARC Brunswick Line
The MARC Brunswick Line is a Maryland Area Regional Commuter rail service that operates between Washington, D.C., and points in western Maryland and eastern West Virginia, providing weekday commuter transportation along the former B&O Railroad main line.
-
C.
Archer Avenue Line
The Archer Avenue Line is a New York City Subway line in Queens that serves as a southeastern extension of the IND/BMT system, providing service to Jamaica Center and surrounding neighborhoods.
-
D.
Myrtle Avenue Line
The Myrtle Avenue Line is a New York City Subway line in Brooklyn and Queens, primarily served by the M train.
-
E.
Dyre Avenue Line
The Dyre Avenue Line is a New York City Subway line in the Bronx operated by the IRT division, primarily serving the 5 train along a former New York, Westchester and Boston Railway right-of-way.
- 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_69ab4ac8596c8190b34997e73d9e991c |
completed | March 6, 2026, 9:44 p.m. |
| NER | Named-entity recognition | batch_69abd8e1fffc81908e4921690098c8db |
completed | March 7, 2026, 7:50 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69af90b3e9b48190857ae21022a4fb15 |
completed | March 10, 2026, 3:32 a.m. |
Created at: March 6, 2026, 9:50 p.m.