Triple
T16812187
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Azuma trains |
E408641
|
entity |
| Predicate | operatorBrandNameFor |
P124951
|
FINISHED |
| Object |
Class 802
Class 802 is a type of British high-speed bi-mode multiple unit train used on intercity services, closely related to the Hitachi A-train family.
|
E1235183
|
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: Class 802 | Statement: [Azuma trains, operatorBrandNameFor, Class 802]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Class 802 Context triple: [Azuma trains, operatorBrandNameFor, Class 802]
-
A.
IE 8500 Class
The IE 8500 Class is a series of electric multiple unit trains operated by Iarnród Éireann for Dublin’s DART suburban rail services.
-
B.
CP Class 2240
CP Class 2240 is a series of electric multiple unit trains operated by Comboios de Portugal, commonly used for suburban and regional passenger services such as those in the Porto urban area.
-
C.
Class 180 Adelante
The Class 180 Adelante is a high-speed diesel multiple unit train used on intercity and regional services on the British railway network.
-
D.
Class 332
Class 332 is a type of electric multiple unit train used in the United Kingdom, primarily known for operating Heathrow Express services between London Paddington and Heathrow Airport.
-
E.
Class 321
Class 321 is a type of British electric multiple unit train widely used for suburban and commuter rail services in the UK.
- 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: Class 802 Triple: [Azuma trains, operatorBrandNameFor, Class 802]
Generated description
Class 802 is a type of British high-speed bi-mode multiple unit train used on intercity services, closely related to the Hitachi A-train family.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Class 802 Target entity description: Class 802 is a type of British high-speed bi-mode multiple unit train used on intercity services, closely related to the Hitachi A-train family.
-
A.
IE 8500 Class
The IE 8500 Class is a series of electric multiple unit trains operated by Iarnród Éireann for Dublin’s DART suburban rail services.
-
B.
CP Class 2240
CP Class 2240 is a series of electric multiple unit trains operated by Comboios de Portugal, commonly used for suburban and regional passenger services such as those in the Porto urban area.
-
C.
Class 180 Adelante
The Class 180 Adelante is a high-speed diesel multiple unit train used on intercity and regional services on the British railway network.
-
D.
Class 332
Class 332 is a type of electric multiple unit train used in the United Kingdom, primarily known for operating Heathrow Express services between London Paddington and Heathrow Airport.
-
E.
Class 321
Class 321 is a type of British electric multiple unit train widely used for suburban and commuter rail services in the UK.
- 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_69d88393905081908d00a86b99996ac8 |
completed | April 10, 2026, 4:58 a.m. |
| NER | Named-entity recognition | batch_69e3b2df5c888190a462614e1432c357 |
completed | April 18, 2026, 4:35 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a00b292a5888190812539b14eb77f34 |
completed | May 10, 2026, 4:30 p.m. |
| NEDg | Description generation | batch_6a00b32d2a588190b59bad56f8817bce |
completed | May 10, 2026, 4:32 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a00b3d14b3c819081f435777f47eca3 |
completed | May 10, 2026, 4:35 p.m. |
Created at: April 10, 2026, 5:23 a.m.