Triple
T5413091
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Long Beach–Penn Station trains |
E121056
|
entity |
| Predicate | rollingStock |
P1305
|
FINISHED |
| Object | LIRR electric multiple units |
E515218
|
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: LIRR electric multiple units | Statement: [Long Beach–Penn Station trains, rollingStock, LIRR electric multiple units]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: LIRR electric multiple units Context triple: [Long Beach–Penn Station trains, rollingStock, LIRR electric multiple units]
-
A.
LIRR DM30AC diesel-electric locomotive
The LIRR DM30AC is a dual-mode diesel-electric locomotive used by the Long Island Rail Road to haul passenger trains between non-electrified territory and New York City terminals.
-
B.
Long Island Rail Road rolling stock
chosen
Long Island Rail Road rolling stock comprises the various passenger train cars and electric multiple units used to operate commuter rail services across Long Island and into New York City.
-
C.
LIRR P72 coaches
The LIRR P72 coaches were a series of diesel-hauled passenger railcars used by the Long Island Rail Road for commuter service in the mid-to-late 20th century.
-
D.
LIRR C3 coaches
LIRR C3 coaches are bi-level passenger railcars used by the Long Island Rail Road to provide high-capacity commuter service, particularly on routes requiring diesel locomotives.
-
E.
Amtrak Siemens Charger locomotives
Amtrak Siemens Charger locomotives are modern, diesel-electric passenger train engines used across various Amtrak routes for higher efficiency, lower emissions, and improved performance compared to older locomotive fleets.
- 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_69bd463a41cc8190b32ff5af2b96ca93 |
completed | March 20, 2026, 1:06 p.m. |
| NER | Named-entity recognition | batch_69bd87bb3c0c81908711784bc865ff03 |
completed | March 20, 2026, 5:45 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69bf3aa3e1988190ac484c91022dc08b |
completed | March 22, 2026, 12:41 a.m. |
Created at: March 20, 2026, 2:05 p.m.