Triple
T15292434
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | VAL 208 |
E365559
|
entity |
| Predicate | designedBy |
P184
|
FINISHED |
| Object |
Matra Transport (original VAL concept, later Siemens)
Matra Transport (later part of Siemens) is a French company known for pioneering the VAL automated light metro system used in driverless urban transit networks worldwide.
|
E1148696
|
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: Matra Transport (original VAL concept, later Siemens) | Statement: [VAL 208, designedBy, Matra Transport (original VAL concept, later Siemens)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Matra Transport (original VAL concept, later Siemens) Context triple: [VAL 208, designedBy, Matra Transport (original VAL concept, later Siemens)]
-
A.
Alstom Eurotram
The Alstom Eurotram is a distinctive low-floor light rail vehicle known for its sleek, modern design and panoramic windows, widely used on urban tram networks in Europe.
-
B.
Systra
Systra is a global engineering and consulting firm specializing in mass transit and rail infrastructure projects.
-
C.
Siemens rolling stock
Siemens rolling stock refers to the range of railway vehicles and train systems manufactured by Siemens, including metros, trams, regional and high-speed trains used worldwide.
-
D.
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.
-
E.
Siemens P2000 light rail vehicles
Siemens P2000 light rail vehicles are a fleet of electric light rail cars built by Siemens for use on Los Angeles Metro Rail lines.
- 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: Matra Transport (original VAL concept, later Siemens) Triple: [VAL 208, designedBy, Matra Transport (original VAL concept, later Siemens)]
Generated description
Matra Transport (later part of Siemens) is a French company known for pioneering the VAL automated light metro system used in driverless urban transit networks worldwide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Matra Transport (original VAL concept, later Siemens) Target entity description: Matra Transport (later part of Siemens) is a French company known for pioneering the VAL automated light metro system used in driverless urban transit networks worldwide.
-
A.
Alstom Eurotram
The Alstom Eurotram is a distinctive low-floor light rail vehicle known for its sleek, modern design and panoramic windows, widely used on urban tram networks in Europe.
-
B.
Systra
Systra is a global engineering and consulting firm specializing in mass transit and rail infrastructure projects.
-
C.
Siemens rolling stock
Siemens rolling stock refers to the range of railway vehicles and train systems manufactured by Siemens, including metros, trams, regional and high-speed trains used worldwide.
-
D.
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.
-
E.
Siemens P2000 light rail vehicles
Siemens P2000 light rail vehicles are a fleet of electric light rail cars built by Siemens for use on Los Angeles Metro Rail lines.
- 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_69d85a103d9081908c1ea6c4c73ac8e3 |
completed | April 10, 2026, 2:01 a.m. |
| NER | Named-entity recognition | batch_69e03680b60c8190a3ea54a9d34c8105 |
completed | April 16, 2026, 1:08 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69feef7f2fc08190937226dad5fdc9c6 |
completed | May 9, 2026, 8:25 a.m. |
| NEDg | Description generation | batch_69fef20cdf108190a871a862187b692d |
completed | May 9, 2026, 8:36 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69fef2763790819093f76786c5be01df |
completed | May 9, 2026, 8:38 a.m. |
Created at: April 10, 2026, 3:15 a.m.