Triple
T5560856
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Keystone Service |
E145760
|
entity |
| Predicate | connection |
P845
|
FINISHED |
| Object | Northeast Regional |
E35487
|
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: Northeast Regional | Statement: [Keystone Service, connection, Northeast Regional]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Northeast Regional Context triple: [Keystone Service, connection, Northeast Regional]
-
A.
Northeast Regional
chosen
Northeast Regional is one of Amtrak’s primary intercity passenger rail services, operating frequent medium-distance trains along the busy Northeast Corridor and adjacent routes.
-
B.
East Region
The East Region is one of the four geographic brackets used to organize teams and games in the NCAA Division I Men’s Basketball Tournament.
-
C.
East Region
East Region is the largest and one of the least densely populated regions of Cameroon, known for its extensive tropical forests and significant mining and logging activities.
-
D.
Eastern Region
Eastern Region is one of Ghana’s primary administrative regions, located in the south-central part of the country and known for its diverse landscapes, including parts of the Akwapim-Togo mountain range and major water bodies like the Volta Lake.
-
E.
Northeastern United States
The Northeastern United States is a densely populated and historically significant region of the country known for its major metropolitan areas, economic influence, and role in American politics and culture.
- 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_69c008fcaf788190bafa02a1917ee73b |
completed | March 22, 2026, 3:21 p.m. |
| NER | Named-entity recognition | batch_69c0201857848190a5443b51bcdb63fa |
completed | March 22, 2026, 5 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c028424ddc8190869b530a8eb43f50 |
completed | March 22, 2026, 5:34 p.m. |
Created at: March 22, 2026, 3:36 p.m.