Triple
T18930626
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Siemens–Duewag Supertram vehicles |
E463097
|
entity |
| Predicate | category |
P87
|
FINISHED |
| Object |
Duewag tram
A Duewag tram is a type of electric light rail or streetcar vehicle designed and built by the German manufacturer Duewag, widely used in European urban transit systems.
|
E1350222
|
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: Duewag tram | Statement: [Siemens–Duewag Supertram vehicles, category, Duewag tram]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Duewag tram Context triple: [Siemens–Duewag Supertram vehicles, category, Duewag tram]
-
A.
Tram 18
Tram 18 is a tram line in Geneva’s public transport system that connects key districts within the city and its surrounding areas.
-
B.
Tram 2000
Tram 2000 is a series of articulated light rail vehicles used for urban public transport in Zürich, Switzerland.
-
C.
GVB Tram
GVB Tram is the tram network operated by Amsterdam’s municipal public transport company, providing urban rail services throughout the city and surrounding areas.
-
D.
SL95 tram
The SL95 tram is a high-floor, bi-directional tram model used in Oslo, Norway, known for its large capacity and operation on the city’s light rail and tram network.
-
E.
LM-93 tram
The LM-93 tram is a Russian-built light rail vehicle model commonly used in city tram and metrotram systems such as the Volgograd Metrotram.
- 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: Duewag tram Triple: [Siemens–Duewag Supertram vehicles, category, Duewag tram]
Generated description
A Duewag tram is a type of electric light rail or streetcar vehicle designed and built by the German manufacturer Duewag, widely used in European urban transit systems.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Duewag tram Target entity description: A Duewag tram is a type of electric light rail or streetcar vehicle designed and built by the German manufacturer Duewag, widely used in European urban transit systems.
-
A.
Tram 18
Tram 18 is a tram line in Geneva’s public transport system that connects key districts within the city and its surrounding areas.
-
B.
Tram 2000
Tram 2000 is a series of articulated light rail vehicles used for urban public transport in Zürich, Switzerland.
-
C.
GVB Tram
GVB Tram is the tram network operated by Amsterdam’s municipal public transport company, providing urban rail services throughout the city and surrounding areas.
-
D.
SL95 tram
The SL95 tram is a high-floor, bi-directional tram model used in Oslo, Norway, known for its large capacity and operation on the city’s light rail and tram network.
-
E.
LM-93 tram
The LM-93 tram is a Russian-built light rail vehicle model commonly used in city tram and metrotram systems such as the Volgograd Metrotram.
- 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_69d8dcfdbbb881909964fa5a75bd0b48 |
completed | April 10, 2026, 11:20 a.m. |
| NER | Named-entity recognition | batch_69e5c9bfaee881908d701c5a05528939 |
completed | April 20, 2026, 6:37 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a05912043c48190813e3dc5e432b68e |
completed | May 14, 2026, 9:08 a.m. |
| NEDg | Description generation | batch_6a059582457081909a7d13a5644b8b08 |
completed | May 14, 2026, 9:27 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a05965f09108190b19d2efa6e69a688 |
completed | May 14, 2026, 9:31 a.m. |
Created at: April 10, 2026, 11:59 a.m.