Triple
T1940613
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Penn Station (Light RailLink) |
E41542
|
entity |
| Predicate | operatedBy |
P86
|
FINISHED |
| Object | Maryland Transit Administration |
E20363
|
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 Transit Administration | Statement: [Penn Station (Light RailLink), operatedBy, Maryland Transit Administration]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Maryland Transit Administration Context triple: [Penn Station (Light RailLink), operatedBy, Maryland Transit Administration]
-
A.
Maryland Transit Administration
chosen
The Maryland Transit Administration is the state agency responsible for operating and overseeing public transportation services in Maryland, including bus, rail, and commuter transit systems.
-
B.
Maryland Transportation Authority
The Maryland Transportation Authority is the state agency responsible for financing, operating, and maintaining Maryland’s toll roads, bridges, and tunnels.
-
C.
Washington Metropolitan Area Transit Authority
The Washington Metropolitan Area Transit Authority is the agency that manages public transportation services, including Metrorail and Metrobus, in the Washington, D.C. metropolitan region.
-
D.
Manchester Transit Authority
Manchester Transit Authority is the primary public bus and paratransit service provider for the city of Manchester, New Hampshire and surrounding areas.
-
E.
Baltimore Transit Company
The Baltimore Transit Company was a private operator that ran streetcar and bus services in Baltimore, Maryland, before public transit was taken over by the state-run Maryland Transit Administration.
- 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_69a88649b24c819080047f26b6db2ded |
completed | March 4, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69abb2fb21fc8190929ea4a87ef4402e |
completed | March 7, 2026, 5:09 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae1fd173b881909fbd454fc9d7fabb |
completed | March 9, 2026, 1:18 a.m. |
Created at: March 4, 2026, 7:36 p.m.