Triple
T15258007
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Trenitalia |
E364696
|
entity |
| Predicate | fleet |
P6198
|
FINISHED |
| Object |
Jazz EMU
Jazz EMU is a class of modern electric multiple-unit commuter trains used by Trenitalia for regional and suburban passenger services in Italy.
|
E1146934
|
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: Jazz EMU | Statement: [Trenitalia, fleet, Jazz EMU]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Jazz EMU Context triple: [Trenitalia, fleet, Jazz EMU]
-
A.
Rejuvenation EMU
Rejuvenation EMU is a high-speed electric multiple unit train used in China’s Fuxing series, known for its advanced technology and fast intercity service.
-
B.
KISS EMU
KISS EMU is a type of modern electric multiple unit passenger train from Stadler’s KISS family, designed for high-capacity, efficient regional and commuter rail service.
-
C.
Suburban EMU
Suburban EMU is a type of electric multiple unit train specifically designed for frequent-stop commuter and suburban rail services.
-
D.
Civia EMU
Civia EMU is a class of electric multiple unit commuter trains used by Spain’s Renfe for suburban and regional passenger services.
-
E.
Melbourne W-class tram
The Melbourne W-class tram is an iconic early-20th-century electric tram from Melbourne, Australia, renowned for its distinctive green-and-cream livery and wooden interior, many of which now operate as historic streetcars in cities such as San Francisco.
- 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: Jazz EMU Triple: [Trenitalia, fleet, Jazz EMU]
Generated description
Jazz EMU is a class of modern electric multiple-unit commuter trains used by Trenitalia for regional and suburban passenger services in Italy.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Jazz EMU Target entity description: Jazz EMU is a class of modern electric multiple-unit commuter trains used by Trenitalia for regional and suburban passenger services in Italy.
-
A.
Rejuvenation EMU
Rejuvenation EMU is a high-speed electric multiple unit train used in China’s Fuxing series, known for its advanced technology and fast intercity service.
-
B.
KISS EMU
KISS EMU is a type of modern electric multiple unit passenger train from Stadler’s KISS family, designed for high-capacity, efficient regional and commuter rail service.
-
C.
Suburban EMU
Suburban EMU is a type of electric multiple unit train specifically designed for frequent-stop commuter and suburban rail services.
-
D.
Civia EMU
Civia EMU is a class of electric multiple unit commuter trains used by Spain’s Renfe for suburban and regional passenger services.
-
E.
Melbourne W-class tram
The Melbourne W-class tram is an iconic early-20th-century electric tram from Melbourne, Australia, renowned for its distinctive green-and-cream livery and wooden interior, many of which now operate as historic streetcars in cities such as San Francisco.
- 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_69d85a0f08408190b3c3259ae35d79d2 |
completed | April 10, 2026, 2:01 a.m. |
| NER | Named-entity recognition | batch_69e0084d11148190919eef8e55569bb9 |
completed | April 15, 2026, 9:51 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fee5f9a0708190bc429692788a63d7 |
completed | May 9, 2026, 7:44 a.m. |
| NEDg | Description generation | batch_69fee6b1a29481908c5c945ef801468d |
completed | May 9, 2026, 7:48 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69fee7b5e3f0819091246455e239996a |
completed | May 9, 2026, 7:52 a.m. |
Created at: April 10, 2026, 3:13 a.m.