Triple
T21513186
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | U2 (Berlin U-Bahn) |
E530777
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Stadtmitte station
Stadtmitte station is a central Berlin U-Bahn station serving as an important interchange point in the city’s downtown area.
|
E1487847
|
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: Stadtmitte station | Statement: [U2 (Berlin U-Bahn), hasStation, Stadtmitte station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Stadtmitte station Context triple: [U2 (Berlin U-Bahn), hasStation, Stadtmitte station]
-
A.
St. Martins station
St. Martins station is a regional rail stop in Philadelphia, Pennsylvania, serving the Chestnut Hill West Line of SEPTA.
-
B.
Embankment station
Embankment station is a central London Underground and National Rail station located on the north bank of the River Thames, serving as a key interchange for multiple Tube lines near major landmarks such as Trafalgar Square.
-
C.
Exhibition Centre station
Exhibition Centre station is an MTR railway station in Hong Kong serving the Wan Chai North area and the nearby Hong Kong Convention and Exhibition Centre.
-
D.
Elizabeth station
Elizabeth station is a key New Jersey Transit rail stop in Elizabeth, New Jersey, providing commuter access along major regional routes including the busy Northeast Corridor.
-
E.
Elizabeth station
Elizabeth station is a railway station serving the suburb of Elizabeth in Adelaide, South Australia, providing commuter rail services on the Gawler line.
- 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: Stadtmitte station Triple: [U2 (Berlin U-Bahn), hasStation, Stadtmitte station]
Generated description
Stadtmitte station is a central Berlin U-Bahn station serving as an important interchange point in the city’s downtown area.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Stadtmitte station Target entity description: Stadtmitte station is a central Berlin U-Bahn station serving as an important interchange point in the city’s downtown area.
-
A.
St. Martins station
St. Martins station is a regional rail stop in Philadelphia, Pennsylvania, serving the Chestnut Hill West Line of SEPTA.
-
B.
Embankment station
Embankment station is a central London Underground and National Rail station located on the north bank of the River Thames, serving as a key interchange for multiple Tube lines near major landmarks such as Trafalgar Square.
-
C.
Exhibition Centre station
Exhibition Centre station is an MTR railway station in Hong Kong serving the Wan Chai North area and the nearby Hong Kong Convention and Exhibition Centre.
-
D.
Elizabeth station
Elizabeth station is a key New Jersey Transit rail stop in Elizabeth, New Jersey, providing commuter access along major regional routes including the busy Northeast Corridor.
-
E.
Elizabeth station
Elizabeth station is a railway station serving the suburb of Elizabeth in Adelaide, South Australia, providing commuter rail services on the Gawler line.
- 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_69e0c45c81f08190a6b8bbb70a45aae7 |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69e9ea88e6fc8190a4b73b8d32dae5a8 |
completed | April 23, 2026, 9:46 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a09e145ac5c8190a05cc2a80d28cac3 |
completed | May 17, 2026, 3:39 p.m. |
| NEDg | Description generation | batch_6a09e1fc4f7881909e198768cdb43747 |
completed | May 17, 2026, 3:42 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a09e2c86858819092216c12d8aa3348 |
completed | May 17, 2026, 3:46 p.m. |
Created at: April 16, 2026, 6:25 p.m.