Triple
T969808
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | DE30AC locomotive |
E20919
|
entity |
| Predicate | usedWith |
P4791
|
FINISHED |
| Object |
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.
|
E114973
|
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 C3 coaches | Statement: [DE30AC locomotive, usedWith, LIRR C3 coaches]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: LIRR C3 coaches Context triple: [DE30AC locomotive, usedWith, LIRR C3 coaches]
-
A.
Amtrak California bi-level coaches
Amtrak California bi-level coaches are double-decker passenger railcars used on California’s state-supported Amtrak routes, designed to provide high-capacity, comfortable intercity service with features tailored to regional corridor operations.
-
B.
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.
-
C.
CTA 3200-series railcars
The CTA 3200-series railcars are a fleet of Chicago "L" rapid transit cars introduced in the early 1990s, known for serving lines such as the Orange Line with modernized features compared to earlier series.
-
D.
R160 subway cars
The R160 subway cars are a class of modern New Technology Train rolling stock used on various New York City Subway lines, featuring electronic signage, automated announcements, and improved accessibility and reliability compared to older fleets.
-
E.
CTA 5000-series railcars
The CTA 5000-series railcars are a modern generation of Chicago "L" rapid transit cars featuring improved accessibility, digital signage, and enhanced passenger comfort and safety systems.
- 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 C3 coaches Triple: [DE30AC locomotive, usedWith, LIRR C3 coaches]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: LIRR C3 coaches Target entity description: 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.
-
A.
Amtrak California bi-level coaches
Amtrak California bi-level coaches are double-decker passenger railcars used on California’s state-supported Amtrak routes, designed to provide high-capacity, comfortable intercity service with features tailored to regional corridor operations.
-
B.
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.
-
C.
CTA 3200-series railcars
The CTA 3200-series railcars are a fleet of Chicago "L" rapid transit cars introduced in the early 1990s, known for serving lines such as the Orange Line with modernized features compared to earlier series.
-
D.
R160 subway cars
The R160 subway cars are a class of modern New Technology Train rolling stock used on various New York City Subway lines, featuring electronic signage, automated announcements, and improved accessibility and reliability compared to older fleets.
-
E.
CTA 5000-series railcars
The CTA 5000-series railcars are a modern generation of Chicago "L" rapid transit cars featuring improved accessibility, digital signage, and enhanced passenger comfort and safety systems.
- 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_69a493b33d2c81909c52c369d3ca8436 |
completed | March 1, 2026, 7:29 p.m. |
| NER | Named-entity recognition | batch_69a4b4497d688190b59c3a195e377080 |
completed | March 1, 2026, 9:48 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ac1707339081909c69c7c613eed383 |
completed | March 7, 2026, 12:16 p.m. |
| NEDg | Description generation | batch_69ac1841a6188190bca3ab98eb169d47 |
completed | March 7, 2026, 12:21 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ac18afee148190ac7431327588c31b |
completed | March 7, 2026, 12:23 p.m. |
Created at: March 1, 2026, 7:40 p.m.