Triple
T490169
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ulm |
E9969
|
entity |
| Predicate | hasRailwayStation |
P918
|
FINISHED |
| Object |
Ulm Hauptbahnhof
Ulm Hauptbahnhof is the main railway station and central transport hub of the city of Ulm in southern Germany.
|
E60882
|
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: Ulm Hauptbahnhof | Statement: [Ulm, hasRailwayStation, Ulm Hauptbahnhof]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Ulm Hauptbahnhof Context triple: [Ulm, hasRailwayStation, Ulm Hauptbahnhof]
-
A.
Göttingen railway station
Göttingen railway station is a major rail hub in Lower Saxony, Germany, serving as an important stop on the country’s high-speed and regional rail networks.
-
B.
Fürth Hauptbahnhof
Fürth Hauptbahnhof is the main railway station of Fürth in Bavaria, Germany, serving as a regional and local transport hub with connections to nearby cities including Nuremberg.
-
C.
Chemnitz Hauptbahnhof
Chemnitz Hauptbahnhof is the main railway station and central transportation hub of the city of Chemnitz in Saxony, 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.
Berlin-Wannsee station
Berlin-Wannsee station is a major railway and S-Bahn hub in southwestern Berlin, serving as an important interchange for regional, suburban, and long-distance trains near the Wannsee lake.
- 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: Ulm Hauptbahnhof Triple: [Ulm, hasRailwayStation, Ulm Hauptbahnhof]
Generated description
Ulm Hauptbahnhof is the main railway station and central transport hub of the city of Ulm in southern Germany.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Ulm Hauptbahnhof Target entity description: Ulm Hauptbahnhof is the main railway station and central transport hub of the city of Ulm in southern Germany.
-
A.
Göttingen railway station
Göttingen railway station is a major rail hub in Lower Saxony, Germany, serving as an important stop on the country’s high-speed and regional rail networks.
-
B.
Fürth Hauptbahnhof
Fürth Hauptbahnhof is the main railway station of Fürth in Bavaria, Germany, serving as a regional and local transport hub with connections to nearby cities including Nuremberg.
-
C.
Chemnitz Hauptbahnhof
Chemnitz Hauptbahnhof is the main railway station and central transportation hub of the city of Chemnitz in Saxony, 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.
Berlin-Wannsee station
Berlin-Wannsee station is a major railway and S-Bahn hub in southwestern Berlin, serving as an important interchange for regional, suburban, and long-distance trains near the Wannsee lake.
- 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_69a2e802e2908190ab17c9479e0b6412 |
completed | Feb. 28, 2026, 1:05 p.m. |
| NER | Named-entity recognition | batch_69a2f0e22a308190b04d12974fd08a38 |
completed | Feb. 28, 2026, 1:42 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a474738bb881908e5d0ff6a17301e8 |
completed | March 1, 2026, 5:16 p.m. |
| NEDg | Description generation | batch_69a474dab57c8190918347a7a96c1536 |
completed | March 1, 2026, 5:18 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69a475694ee8819082a54c4dc218b8dd |
completed | March 1, 2026, 5:20 p.m. |
Created at: Feb. 28, 2026, 1:12 p.m.