Triple
T13143946
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Biotrén |
E312286
|
entity |
| Predicate | rollingStock |
P1305
|
FINISHED |
| Object |
UTS-444 electric multiple units
The UTS-444 electric multiple units are a series of modern electric commuter trains used by Chile’s Biotrén system to provide suburban passenger rail services.
|
E1025055
|
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: UTS-444 electric multiple units | Statement: [Biotrén, rollingStock, UTS-444 electric multiple units]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: UTS-444 electric multiple units Context triple: [Biotrén, rollingStock, UTS-444 electric multiple units]
-
A.
Civia EMU
Civia EMU is a class of electric multiple unit commuter trains used by Spain’s Renfe for suburban and regional passenger services.
-
B.
Class 455 EMU
The Class 455 EMU is a type of British electric multiple unit train introduced in the early 1980s for suburban commuter services in the South East of England.
-
C.
ED4M electric multiple unit
The ED4M electric multiple unit is a series of Russian suburban electric trains widely used for commuter and airport express services, including Aeroexpress routes.
-
D.
446 series EMU
The 446 series EMU is a type of electric multiple unit train used for commuter and regional passenger services.
-
E.
Comeng EMU
The Comeng EMU is a long-serving class of electric multiple unit trains used on Melbourne's suburban rail network.
- 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: UTS-444 electric multiple units Triple: [Biotrén, rollingStock, UTS-444 electric multiple units]
Generated description
The UTS-444 electric multiple units are a series of modern electric commuter trains used by Chile’s Biotrén system to provide suburban passenger rail services.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: UTS-444 electric multiple units Target entity description: The UTS-444 electric multiple units are a series of modern electric commuter trains used by Chile’s Biotrén system to provide suburban passenger rail services.
-
A.
Civia EMU
Civia EMU is a class of electric multiple unit commuter trains used by Spain’s Renfe for suburban and regional passenger services.
-
B.
Class 455 EMU
The Class 455 EMU is a type of British electric multiple unit train introduced in the early 1980s for suburban commuter services in the South East of England.
-
C.
ED4M electric multiple unit
The ED4M electric multiple unit is a series of Russian suburban electric trains widely used for commuter and airport express services, including Aeroexpress routes.
-
D.
446 series EMU
The 446 series EMU is a type of electric multiple unit train used for commuter and regional passenger services.
-
E.
Comeng EMU
The Comeng EMU is a long-serving class of electric multiple unit trains used on Melbourne's suburban rail network.
- 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_69d806aabde48190899e13e41659cae5 |
completed | April 9, 2026, 8:06 p.m. |
| NER | Named-entity recognition | batch_69d98bce3678819082a7aa1d83f20592 |
completed | April 10, 2026, 11:46 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6eae4a87881908be57e15f001c904 |
completed | May 3, 2026, 6:27 a.m. |
| NEDg | Description generation | batch_69f6f05a3dd48190a8b2c52f64a2edd0 |
completed | May 3, 2026, 6:51 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69f6f1a7c8108190a9668d2f0bb634b1 |
completed | May 3, 2026, 6:56 a.m. |
Created at: April 9, 2026, 9:10 p.m.