Triple
T23051427
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amtrak at South Station |
E574023
|
entity |
| Predicate | terminusFor |
P388
|
FINISHED |
| Object | Lake Shore Limited Boston section |
—
|
NE NERFINISHED |
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: Lake Shore Limited Boston section | Statement: [Amtrak at South Station, terminusFor, Lake Shore Limited Boston section]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lake Shore Limited Boston section Context triple: [Amtrak at South Station, terminusFor, Lake Shore Limited Boston section]
-
A.
Lake Shore Limited Boston section
chosen
The Lake Shore Limited Boston section is an Amtrak long-distance passenger train segment that connects Boston with the main Lake Shore Limited route to Chicago via Albany.
-
B.
Boston (via Lake Shore Limited)
Boston (via Lake Shore Limited) is the eastern terminus city served by Amtrak’s Lake Shore Limited route that runs between Chicago and Boston.
-
C.
South Shore
South Shore is a residential and lakefront community area on the South Side of Chicago known for its diverse population and views of Lake Michigan.
-
D.
South Shore
South Shore is a coastal region known for its surf-friendly beaches and breaks, popular among surfers and ocean enthusiasts.
-
E.
South Shore
South Shore is the suburban region located on the southern bank of the Saint Lawrence River opposite the Island of Montreal, known for its residential communities and commuter links to the city.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e245ba7ae48190be606dbc54120e39 |
completed | April 17, 2026, 2:37 p.m. |
| NER | Named-entity recognition | batch_69f1867d010c8190bc5dba6758d0b797 |
completed | April 29, 2026, 4:18 a.m. |
Created at: April 17, 2026, 3:54 p.m.