Triple
T2096804
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | IND Crosstown Line |
E36999
|
entity |
| Predicate | hasRollingStockType |
P1305
|
FINISHED |
| Object |
R68
The R68 is a class of New York City Subway cars built in the 1980s for the B Division, known for their stainless-steel bodies and use on various lettered lines.
|
E236842
|
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: R68 | Statement: [IND Crosstown Line, hasRollingStockType, R68]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: R68 Context triple: [IND Crosstown Line, hasRollingStockType, R68]
-
A.
R68A
R68A is a class of New York City Subway cars built in the late 1980s for B Division services, known for their stainless-steel bodies and use on lines such as the B and D.
-
B.
R8
The Audi R8 is a high-performance mid-engine sports car known for its powerful engines, quattro all-wheel drive, and use of advanced lightweight construction.
-
C.
R5
R5 is a government office building in Oslo that forms part of Norway’s central Regjeringskvartalet complex.
-
D.
A682
The A682 is a primary road in northern England that runs through Lancashire and North Yorkshire, linking towns such as Rawtenstall and serving as a key route across the Pennines.
-
E.
T-68
The T-68 was an early generation light rail tram used on the Manchester Metrolink system in the UK before being superseded by newer models.
- 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: R68 Triple: [IND Crosstown Line, hasRollingStockType, R68]
Generated description
The R68 is a class of New York City Subway cars built in the 1980s for the B Division, known for their stainless-steel bodies and use on various lettered lines.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: R68 Target entity description: The R68 is a class of New York City Subway cars built in the 1980s for the B Division, known for their stainless-steel bodies and use on various lettered lines.
-
A.
R68A
R68A is a class of New York City Subway cars built in the late 1980s for B Division services, known for their stainless-steel bodies and use on lines such as the B and D.
-
B.
R8
The Audi R8 is a high-performance mid-engine sports car known for its powerful engines, quattro all-wheel drive, and use of advanced lightweight construction.
-
C.
R5
R5 is a government office building in Oslo that forms part of Norway’s central Regjeringskvartalet complex.
-
D.
A682
The A682 is a primary road in northern England that runs through Lancashire and North Yorkshire, linking towns such as Rawtenstall and serving as a key route across the Pennines.
-
E.
T-68
The T-68 was an early generation light rail tram used on the Manchester Metrolink system in the UK before being superseded by newer models.
- 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_69a8861828948190924aa30c08806b3a |
completed | March 4, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69abba9cb84481909fe0a66c020b8864 |
completed | March 7, 2026, 5:41 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae518d29d4819090aa2a1c6fc7304d |
completed | March 9, 2026, 4:50 a.m. |
| NEDg | Description generation | batch_69ae522f0394819087a7e7d9c6ca354c |
completed | March 9, 2026, 4:53 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ae5316acf881908dde9d83c36c8fd0 |
completed | March 9, 2026, 4:56 a.m. |
Created at: March 4, 2026, 7:43 p.m.