Triple
T12348971
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Skyline (Honolulu rail transit) |
E294433
|
entity |
| Predicate | rollingStock |
P1305
|
FINISHED |
| Object |
Hitachi Rail Italy Driverless Metro trains
Hitachi Rail Italy Driverless Metro trains are fully automated rapid transit vehicles designed and manufactured by Hitachi Rail Italy for use on modern urban metro systems.
|
E977668
|
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: Hitachi Rail Italy Driverless Metro trains | Statement: [Skyline (Honolulu rail transit), rollingStock, Hitachi Rail Italy Driverless Metro trains]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Hitachi Rail Italy Driverless Metro trains Context triple: [Skyline (Honolulu rail transit), rollingStock, Hitachi Rail Italy Driverless Metro trains]
-
A.
Siemens modular metro trains
Siemens modular metro trains are a family of customizable, electric multiple-unit metro vehicles designed by Siemens for urban rapid transit systems.
-
B.
E-series metro trains
E-series metro trains are an earlier generation of Soviet-designed electric multiple units that served as a foundational model for later metro rolling stock across various Eastern European and former Soviet cities.
-
C.
Hitachi A-Train
The Hitachi A-Train is a modular family of lightweight, aluminum-bodied electric and diesel-electric multiple units designed by Hitachi for high-speed and commuter rail services worldwide.
-
D.
CAF Urbos 3 trams
CAF Urbos 3 trams are modern low-floor light rail vehicles manufactured by CAF and used in urban tram and light rail systems worldwide.
-
E.
SMART train
SMART train is a commuter rail service in California’s North Bay region that connects communities in Marin and Sonoma counties.
- 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: Hitachi Rail Italy Driverless Metro trains Triple: [Skyline (Honolulu rail transit), rollingStock, Hitachi Rail Italy Driverless Metro trains]
Generated description
Hitachi Rail Italy Driverless Metro trains are fully automated rapid transit vehicles designed and manufactured by Hitachi Rail Italy for use on modern urban metro systems.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Hitachi Rail Italy Driverless Metro trains Target entity description: Hitachi Rail Italy Driverless Metro trains are fully automated rapid transit vehicles designed and manufactured by Hitachi Rail Italy for use on modern urban metro systems.
-
A.
Siemens modular metro trains
Siemens modular metro trains are a family of customizable, electric multiple-unit metro vehicles designed by Siemens for urban rapid transit systems.
-
B.
E-series metro trains
E-series metro trains are an earlier generation of Soviet-designed electric multiple units that served as a foundational model for later metro rolling stock across various Eastern European and former Soviet cities.
-
C.
Hitachi A-Train
The Hitachi A-Train is a modular family of lightweight, aluminum-bodied electric and diesel-electric multiple units designed by Hitachi for high-speed and commuter rail services worldwide.
-
D.
CAF Urbos 3 trams
CAF Urbos 3 trams are modern low-floor light rail vehicles manufactured by CAF and used in urban tram and light rail systems worldwide.
-
E.
SMART train
SMART train is a commuter rail service in California’s North Bay region that connects communities in Marin and Sonoma counties.
- 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_69d6ab6ccbec8190b09e2d357aa80064 |
completed | April 8, 2026, 7:24 p.m. |
| NER | Named-entity recognition | batch_69d93f7ba17481908b03af7316b28d9b |
completed | April 10, 2026, 6:20 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f62aae8d7c8190a722c28a5a153d1d |
completed | May 2, 2026, 4:47 p.m. |
| NEDg | Description generation | batch_69f62c569a6c8190aecf8a4c627d8893 |
completed | May 2, 2026, 4:54 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69f62d0c2568819083e66c8ae484d30d |
completed | May 2, 2026, 4:57 p.m. |
Created at: April 8, 2026, 9:53 p.m.