Triple
T5100692
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | LIRR C3 coach |
E114973
|
entity |
| Predicate | replaced |
P101
|
FINISHED |
| Object |
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.
|
E495257
|
NE FINISHED |
How this triple was built (4 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 P72 coaches | Statement: [LIRR C3 coach, replaced, LIRR P72 coaches]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: LIRR P72 coaches Context triple: [LIRR C3 coach, replaced, LIRR P72 coaches]
-
A.
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.
-
B.
Amtrak single-level passenger cars
Amtrak single-level passenger cars are intercity rail coaches designed for use on routes without height restrictions, featuring standard- and business-class seating, baggage and dining facilities, and compatibility with various Amtrak locomotive-hauled trains.
-
C.
R211 subway cars
The R211 subway cars are a modern generation of New York City Subway rolling stock featuring updated technology, improved accessibility, and enhanced passenger amenities.
-
D.
R46 subway cars
The R46 subway cars are a class of New York City Subway rolling stock built in the 1970s, known for their stainless-steel bodies and long service on various IND/BMT lines.
-
E.
MCI D-Series coaches
MCI D-Series coaches are a line of long-distance, intercity motorcoaches manufactured by Motor Coach Industries and widely used by major bus operators across North America.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: LIRR P72 coaches Triple: [LIRR C3 coach, replaced, LIRR P72 coaches]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: LIRR P72 coaches Target entity description: 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.
-
A.
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.
-
B.
Amtrak single-level passenger cars
Amtrak single-level passenger cars are intercity rail coaches designed for use on routes without height restrictions, featuring standard- and business-class seating, baggage and dining facilities, and compatibility with various Amtrak locomotive-hauled trains.
-
C.
R211 subway cars
The R211 subway cars are a modern generation of New York City Subway rolling stock featuring updated technology, improved accessibility, and enhanced passenger amenities.
-
D.
R46 subway cars
The R46 subway cars are a class of New York City Subway rolling stock built in the 1970s, known for their stainless-steel bodies and long service on various IND/BMT lines.
-
E.
MCI D-Series coaches
MCI D-Series coaches are a line of long-distance, intercity motorcoaches manufactured by Motor Coach Industries and widely used by major bus operators across North America.
- F. None of above. chosen
Provenance (5 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_69bd443fc49c819089629c00e311310c |
completed | March 20, 2026, 12:57 p.m. |
| NER | Named-entity recognition | batch_69bd758381dc8190ac491788d27ab8e0 |
completed | March 20, 2026, 4:27 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69bec36d231481908da4d2df53bd6507 |
completed | March 21, 2026, 4:12 p.m. |
| NEDg | Description generation | batch_69bec506d5b88190bcf6e7cb5f602c2f |
completed | March 21, 2026, 4:19 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69bec5ae111c8190914e93dc1680d36e |
completed | March 21, 2026, 4:22 p.m. |
Created at: March 20, 2026, 1:40 p.m.