Triple
T328291
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pennsylvania Station (Baltimore) |
E6568
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Maryland Area Regional Commuter |
E16028
|
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: Maryland Area Regional Commuter | Statement: [Pennsylvania Station (Baltimore), operator, Maryland Area Regional Commuter]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Maryland Area Regional Commuter Context triple: [Pennsylvania Station (Baltimore), operator, Maryland Area Regional Commuter]
-
A.
Maryland Area Regional Commuter
chosen
Maryland Area Regional Commuter is a state-supported commuter rail service in Maryland that connects Washington, D.C., Baltimore, and surrounding regions.
-
B.
Northern Virginia
Northern Virginia is a populous, economically significant region of the Commonwealth of Virginia, encompassing suburbs of Washington, D.C., and serving as a major hub for government, technology, and defense industries.
-
C.
Washington metropolitan area
The Washington metropolitan area is a major U.S. urban region centered on the nation’s capital, encompassing Washington, D.C. and its surrounding suburbs in Maryland, Virginia, and West Virginia.
-
D.
Mid-Atlantic states
The Mid-Atlantic states are a U.S. region along the eastern seaboard typically including states like New York, New Jersey, Pennsylvania, Delaware, Maryland, and sometimes others, known for their dense population, major cities, and historical significance.
-
E.
Prince George’s County, Maryland
Prince George’s County, Maryland is a populous suburban county bordering Washington, D.C., known for its significant African American middle-class communities, government institutions, and historical sites.
- 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_69a2e7933d6c8190bb2592ad13286ef2 |
completed | Feb. 28, 2026, 1:03 p.m. |
| NER | Named-entity recognition | batch_69a2ea98fa2c8190a5b44f4a26543a17 |
completed | Feb. 28, 2026, 1:16 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a3cfef5f4c8190a9c0e14a5a501237 |
completed | March 1, 2026, 5:34 a.m. |
Created at: Feb. 28, 2026, 1:08 p.m.