Triple
T6275180
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Germantown, Maryland |
E140637
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object | MARC Brunswick Line |
E55051
|
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 Brunswick Line | Statement: [Germantown, Maryland, servedBy, MARC Brunswick Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: MARC Brunswick Line Context triple: [Germantown, Maryland, servedBy, MARC Brunswick Line]
-
A.
MARC Brunswick Line
chosen
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.
-
B.
MARC Penn Line
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.
-
C.
Marshlink Line
The Marshlink Line is a regional railway route in Southeast England that runs across the Romney Marsh, connecting Ashford International with Hastings and serving several rural communities.
-
D.
Jamestown Line
The Jamestown Line was a key defensive position held by United Nations forces during the Korean War, forming part of the stabilized front after major maneuver warfare had ended.
-
E.
Maritime Line
Maritime Line is a regional railway service in Cornwall, England, connecting Falmouth with the mainline rail network.
- 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_69c008cc158881908df6ec94a911c736 |
completed | March 22, 2026, 3:20 p.m. |
| NER | Named-entity recognition | batch_69c063c170bc8190933e2fd5c9fef783 |
completed | March 22, 2026, 9:48 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c2446eecfc819099c3dc5cdb960672 |
completed | March 24, 2026, 7:59 a.m. |
Created at: March 22, 2026, 4:25 p.m.