Triple
T6335709
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | S2 |
E142484
|
entity |
| Predicate | rollingStock |
P1305
|
FINISHED |
| Object |
DB Class 480
The DB Class 480 is a series of electric multiple unit trains used for urban rapid transit services on the Berlin S-Bahn network in Germany.
|
E587779
|
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: DB Class 480 | Statement: [S2, rollingStock, DB Class 480]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: DB Class 480 Context triple: [S2, rollingStock, DB Class 480]
-
A.
DB Class 481 (typical)
The DB Class 481 is a series of electric multiple units used for Berlin S-Bahn commuter services, known for their red-yellow livery and operation on the city’s third-rail network.
-
B.
DB 601A
The DB 601A is an early production variant of the Daimler-Benz DB 601 inverted V-12 aircraft engine, widely used in frontline German fighters such as the Messerschmitt Bf 109 during the early years of World War II.
-
C.
Mdb
Mdb is the official station code used to identify Middelburg railway station in the Netherlands’ rail network.
-
D.
DB 601E
The DB 601E was an advanced, high-performance variant of the Daimler-Benz inverted V-12 aircraft engine used in later models of German World War II fighters such as the Messerschmitt Bf 109.
-
E.
DB 605D
The DB 605D was an improved, high-altitude optimized variant of the Daimler-Benz DB 605 aircraft engine used in late-war German fighters such as the Messerschmitt Bf 109.
- 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: DB Class 480 Triple: [S2, rollingStock, DB Class 480]
Generated description
The DB Class 480 is a series of electric multiple unit trains used for urban rapid transit services on the Berlin S-Bahn network in Germany.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: DB Class 480 Target entity description: The DB Class 480 is a series of electric multiple unit trains used for urban rapid transit services on the Berlin S-Bahn network in Germany.
-
A.
DB Class 481 (typical)
The DB Class 481 is a series of electric multiple units used for Berlin S-Bahn commuter services, known for their red-yellow livery and operation on the city’s third-rail network.
-
B.
DB 601A
The DB 601A is an early production variant of the Daimler-Benz DB 601 inverted V-12 aircraft engine, widely used in frontline German fighters such as the Messerschmitt Bf 109 during the early years of World War II.
-
C.
Mdb
Mdb is the official station code used to identify Middelburg railway station in the Netherlands’ rail network.
-
D.
DB 601E
The DB 601E was an advanced, high-performance variant of the Daimler-Benz inverted V-12 aircraft engine used in later models of German World War II fighters such as the Messerschmitt Bf 109.
-
E.
DB 605D
The DB 605D was an improved, high-altitude optimized variant of the Daimler-Benz DB 605 aircraft engine used in late-war German fighters such as the Messerschmitt Bf 109.
- 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_69c008d4d8e88190ad301c05b08722ac |
completed | March 22, 2026, 3:20 p.m. |
| NER | Named-entity recognition | batch_69c0654a88a881908d5cb2aa7f22c4c7 |
completed | March 22, 2026, 9:55 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c62d412bc88190aa8ee0a40ec8bc30 |
completed | March 27, 2026, 7:09 a.m. |
| NEDg | Description generation | batch_69c62f020d808190a59cbab15a9ca5dc |
completed | March 27, 2026, 7:17 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c62fbbf58881908e872a6a67676fac |
completed | March 27, 2026, 7:20 a.m. |
Created at: March 22, 2026, 4:30 p.m.