Triple
T10681396
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Metrovagonmash |
E251763
|
entity |
| Predicate | notableWork |
P4
|
FINISHED |
| Object | 81-717 metro car series |
E229094
|
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: 81-717 metro car series | Statement: [Metrovagonmash, notableWork, 81-717 metro car series]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: 81-717 metro car series Context triple: [Metrovagonmash, notableWork, 81-717 metro car series]
-
A.
81-717/714 series
chosen
The 81-717/714 series is a widely used Soviet-designed electric multiple unit metro train type that has operated on numerous subway systems across the former Eastern Bloc and beyond.
-
B.
R179 subway cars
The R179 subway cars are a modern class of stainless-steel New York City Subway rolling stock built by Bombardier for the B Division lines, featuring updated technology and improved passenger amenities.
-
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.
R143 subway cars
The R143 subway cars are a class of New York City Subway rolling stock built in the early 2000s, primarily used on the BMT Canarsie Line and known for introducing modern features like electronic signage and automated announcements.
-
E.
R142 subway car class
The R142 subway car class is a fleet of modern New York City Subway cars introduced in the late 1990s and early 2000s, featuring advanced technology, improved safety, and enhanced passenger comfort compared to older models.
- 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_69d6aa5bd7c08190a816e733b4045c23 |
completed | April 8, 2026, 7:19 p.m. |
| NER | Named-entity recognition | batch_69d6fcc1b8d4819082fde22db39d8b24 |
completed | April 9, 2026, 1:11 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d98885abf88190b54ed9db779d3ff0 |
completed | April 10, 2026, 11:32 p.m. |
Created at: April 8, 2026, 9:10 p.m.