Triple
T16395169
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Nürnberg Röthenbach station |
E398160
|
entity |
| Predicate | servedByLine |
P1293
|
FINISHED |
| Object |
U21 line
The U21 line is a short branch of the Nuremberg U-Bahn network in Germany that connects the main U2 line to the Röthenbach area.
|
E1210049
|
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: U21 line | Statement: [Nürnberg Röthenbach station, servedByLine, U21 line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: U21 line Context triple: [Nürnberg Röthenbach station, servedByLine, U21 line]
-
A.
U21
U21 is a global network of leading research-intensive universities that collaborate to enhance higher education and research through international partnerships and initiatives.
-
B.
U-17
U-17 is a youth football age category for players under 17 years old, commonly used in international and domestic competitions.
-
C.
U2 line
The U2 line is a rapid transit route of the Frankfurt U-Bahn network that connects central Frankfurt with several outlying districts.
-
D.
U19
U19 is a line of the Stuttgart Stadtbahn light rail network serving urban transit routes within Stuttgart, Germany.
-
E.
U11
U11 is a light rail line of the Stuttgart Stadtbahn network in Stuttgart, Germany, primarily serving major event venues and key transit corridors in the city.
- 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: U21 line Triple: [Nürnberg Röthenbach station, servedByLine, U21 line]
Generated description
The U21 line is a short branch of the Nuremberg U-Bahn network in Germany that connects the main U2 line to the Röthenbach area.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: U21 line Target entity description: The U21 line is a short branch of the Nuremberg U-Bahn network in Germany that connects the main U2 line to the Röthenbach area.
-
A.
U21
U21 is a global network of leading research-intensive universities that collaborate to enhance higher education and research through international partnerships and initiatives.
-
B.
U-17
U-17 is a youth football age category for players under 17 years old, commonly used in international and domestic competitions.
-
C.
U2 line
The U2 line is a rapid transit route of the Frankfurt U-Bahn network that connects central Frankfurt with several outlying districts.
-
D.
U19
U19 is a line of the Stuttgart Stadtbahn light rail network serving urban transit routes within Stuttgart, Germany.
-
E.
U11
U11 is a light rail line of the Stuttgart Stadtbahn network in Stuttgart, Germany, primarily serving major event venues and key transit corridors in the city.
- 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_69d87f2950248190bc8ad9b9bebdc8c8 |
completed | April 10, 2026, 4:40 a.m. |
| NER | Named-entity recognition | batch_69e326462298819087091dc935f0f916 |
completed | April 18, 2026, 6:35 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a003575e51c8190a8677f658eb73a30 |
completed | May 10, 2026, 7:36 a.m. |
| NEDg | Description generation | batch_6a003620f04081908033c5e3c4376721 |
completed | May 10, 2026, 7:39 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a00370cee5c819099d226ebc3c1f0fe |
completed | May 10, 2026, 7:43 a.m. |
Created at: April 10, 2026, 5:08 a.m.