Triple
T4060872
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Berlin U-Bahn line U7 |
E86206
|
entity |
| Predicate | rollingStock |
P1305
|
FINISHED |
| Object |
BVG Class H
The BVG Class H is a modern series of electric multiple unit trains used on the Berlin U-Bahn, designed for high-capacity, comfortable, and efficient urban passenger service.
|
E412504
|
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: BVG Class H | Statement: [Berlin U-Bahn line U7, rollingStock, BVG Class H]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: BVG Class H Context triple: [Berlin U-Bahn line U7, rollingStock, BVG Class H]
-
A.
BVG Class F
The BVG Class F is a series of large-profile electric multiple unit trains used on Berlin’s U-Bahn network, particularly on high-capacity lines like the U7.
-
B.
Siemens EuroSprinter
Siemens EuroSprinter is a family of high-performance electric locomotives developed by Siemens for freight and passenger rail services across Europe and beyond.
-
C.
Class 379 Electrostar
The Class 379 Electrostar is a British electric multiple-unit train type built by Bombardier for high-frequency commuter and airport services, known for its modern design and passenger comfort.
-
D.
Czech Locomotive
"Czech Locomotive" is the famous nickname of Emil Zátopek, the legendary Czechoslovak long-distance runner renowned for his relentless, machine-like running style and multiple Olympic gold medals.
-
E.
Siemens Vectron
Siemens Vectron is a modular family of electric and diesel-electric locomotives designed for versatile passenger and freight operations across European rail networks.
- 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: BVG Class H Triple: [Berlin U-Bahn line U7, rollingStock, BVG Class H]
Generated description
The BVG Class H is a modern series of electric multiple unit trains used on the Berlin U-Bahn, designed for high-capacity, comfortable, and efficient urban passenger service.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: BVG Class H Target entity description: The BVG Class H is a modern series of electric multiple unit trains used on the Berlin U-Bahn, designed for high-capacity, comfortable, and efficient urban passenger service.
-
A.
BVG Class F
The BVG Class F is a series of large-profile electric multiple unit trains used on Berlin’s U-Bahn network, particularly on high-capacity lines like the U7.
-
B.
Siemens EuroSprinter
Siemens EuroSprinter is a family of high-performance electric locomotives developed by Siemens for freight and passenger rail services across Europe and beyond.
-
C.
Class 379 Electrostar
The Class 379 Electrostar is a British electric multiple-unit train type built by Bombardier for high-frequency commuter and airport services, known for its modern design and passenger comfort.
-
D.
Czech Locomotive
"Czech Locomotive" is the famous nickname of Emil Zátopek, the legendary Czechoslovak long-distance runner renowned for his relentless, machine-like running style and multiple Olympic gold medals.
-
E.
Siemens Vectron
Siemens Vectron is a modular family of electric and diesel-electric locomotives designed for versatile passenger and freight operations across European rail networks.
- 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_69aed93c69208190a4efac0efe3cd69b |
completed | March 9, 2026, 2:29 p.m. |
| NER | Named-entity recognition | batch_69aefbd4acb0819093bcffcd05ed8e6f |
completed | March 9, 2026, 4:56 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b56b52e31c819099f9d354c197cf00 |
completed | March 14, 2026, 2:06 p.m. |
| NEDg | Description generation | batch_69b56c3a4b708190a55027fd3b2b76e0 |
completed | March 14, 2026, 2:10 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69b56cc2ae948190a5e13992626dd547 |
completed | March 14, 2026, 2:12 p.m. |
Created at: March 9, 2026, 3:38 p.m.