Triple
T17175338
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Siemens-Duewag U2 |
E416844
|
entity |
| Predicate | usedInTransportSystem |
P941
|
FINISHED |
| Object |
Stadtbahn Nürnberg
Stadtbahn Nürnberg is the light rail and metro system serving the city of Nuremberg, Germany, integrating underground and surface lines as a core part of the urban public transport network.
|
E1270333
|
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: Stadtbahn Nürnberg | Statement: [Siemens-Duewag U2, usedInTransportSystem, Stadtbahn Nürnberg]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Stadtbahn Nürnberg Context triple: [Siemens-Duewag U2, usedInTransportSystem, Stadtbahn Nürnberg]
-
A.
U-Bahn Nürnberg–Fürth
The U-Bahn Nürnberg–Fürth is a rapid transit line in the Nuremberg metropolitan area that connects the cities of Nuremberg and Fürth, serving as a key component of the region’s public transportation network.
-
B.
S-Bahn Nuremberg
S-Bahn Nuremberg is a regional suburban rail network serving Nuremberg and its surrounding metropolitan area in Bavaria, Germany.
-
C.
Munich S-Bahn
The Munich S-Bahn is a rapid transit and commuter rail network serving Munich and its surrounding metropolitan region in Bavaria, Germany.
-
D.
Nuremberg U-Bahn
The Nuremberg U-Bahn is the rapid transit system serving Nuremberg and its surrounding area in Germany, known for being one of the first networks to operate fully automated driverless trains.
-
E.
Munich S-Bahn trunk line
The Munich S-Bahn trunk line is the central underground rail corridor that carries most S-Bahn routes through Munich’s city center, forming the backbone of the regional rapid transit network.
- 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: Stadtbahn Nürnberg Triple: [Siemens-Duewag U2, usedInTransportSystem, Stadtbahn Nürnberg]
Generated description
Stadtbahn Nürnberg is the light rail and metro system serving the city of Nuremberg, Germany, integrating underground and surface lines as a core part of the urban public transport network.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Stadtbahn Nürnberg Target entity description: Stadtbahn Nürnberg is the light rail and metro system serving the city of Nuremberg, Germany, integrating underground and surface lines as a core part of the urban public transport network.
-
A.
U-Bahn Nürnberg–Fürth
The U-Bahn Nürnberg–Fürth is a rapid transit line in the Nuremberg metropolitan area that connects the cities of Nuremberg and Fürth, serving as a key component of the region’s public transportation network.
-
B.
S-Bahn Nuremberg
S-Bahn Nuremberg is a regional suburban rail network serving Nuremberg and its surrounding metropolitan area in Bavaria, Germany.
-
C.
Munich S-Bahn
The Munich S-Bahn is a rapid transit and commuter rail network serving Munich and its surrounding metropolitan region in Bavaria, Germany.
-
D.
Nuremberg U-Bahn
The Nuremberg U-Bahn is the rapid transit system serving Nuremberg and its surrounding area in Germany, known for being one of the first networks to operate fully automated driverless trains.
-
E.
Munich S-Bahn trunk line
The Munich S-Bahn trunk line is the central underground rail corridor that carries most S-Bahn routes through Munich’s city center, forming the backbone of the regional rapid transit network.
- 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_69d886d5f34c8190b24564dfaa63f3fb |
completed | April 10, 2026, 5:12 a.m. |
| NER | Named-entity recognition | batch_69e3fc0cec448190b30466628a2ff23f |
completed | April 18, 2026, 9:47 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a01b80d3a3081908a255a40bd7a72a0 |
completed | May 11, 2026, 11:05 a.m. |
| NEDg | Description generation | batch_6a01b8ebb5ac8190a98fcaba61c45955 |
completed | May 11, 2026, 11:09 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a01b9676d54819098315611857dd6ea |
completed | May 11, 2026, 11:11 a.m. |
Created at: April 10, 2026, 5:37 a.m.