Triple
T10950428
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | St. Pauli U-Bahn station |
E258710
|
entity |
| Predicate | isInUndergroundSectionOfLine |
P15152
|
FINISHED |
| Object |
U3 city circle line
The U3 city circle line is a major Hamburg U-Bahn line that forms a circular route around the city center, connecting key districts and landmarks.
|
E894675
|
NE FINISHED |
How this triple was built (5 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: U3 city circle line | Statement: [St. Pauli U-Bahn station, isInUndergroundSectionOfLine, U3 city circle line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: U3 city circle line Context triple: [St. Pauli U-Bahn station, isInUndergroundSectionOfLine, U3 city circle line]
-
A.
U3 line
The U3 line is a route of the Frankfurt U-Bahn rapid transit system that connects central Frankfurt with its northwestern suburbs.
-
B.
City Circle Line
The City Circle Line is a driverless rapid transit route in Copenhagen’s metro system that forms a loop connecting key districts and major transport hubs across the city.
-
C.
U5 line
The U5 line is a major Berlin U-Bahn route running east–west that connects central hubs like Alexanderplatz with eastern districts of the city.
-
D.
U1 line
The U1 line is a route of the Frankfurt U-Bahn rapid transit system that connects central Frankfurt with several northern suburbs.
-
E.
Big Circle Line
The Big Circle Line is a major circular metro line in the Moscow Metro system designed to connect outlying radial lines and reduce congestion in the city center.
- 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: U3 city circle line Triple: [St. Pauli U-Bahn station, isInUndergroundSectionOfLine, U3 city circle line]
Generated description
The U3 city circle line is a major Hamburg U-Bahn line that forms a circular route around the city center, connecting key districts and landmarks.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: U3 city circle line Target entity description: The U3 city circle line is a major Hamburg U-Bahn line that forms a circular route around the city center, connecting key districts and landmarks.
-
A.
U3 line
The U3 line is a route of the Frankfurt U-Bahn rapid transit system that connects central Frankfurt with its northwestern suburbs.
-
B.
City Circle Line
The City Circle Line is a driverless rapid transit route in Copenhagen’s metro system that forms a loop connecting key districts and major transport hubs across the city.
-
C.
U5 line
The U5 line is a major Berlin U-Bahn route running east–west that connects central hubs like Alexanderplatz with eastern districts of the city.
-
D.
U1 line
The U1 line is a route of the Frankfurt U-Bahn rapid transit system that connects central Frankfurt with several northern suburbs.
-
E.
Big Circle Line
The Big Circle Line is a major circular metro line in the Moscow Metro system designed to connect outlying radial lines and reduce congestion in the city center.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: isInUndergroundSectionOfLine Context triple: [St. Pauli U-Bahn station, isInUndergroundSectionOfLine, U3 city circle line]
-
A.
hasSubwayLineAboveOrBelow
Indicates that one subway line is physically located above or below another subway line, such as on different levels of a transit system.
-
B.
hasUndergroundSection
chosen
Indicates that an entity includes a portion or segment that is located below ground level.
-
C.
nearUndergroundLine
Indicates that one entity is located close in distance to an underground (subway/metro) line.
-
D.
subwayLine
Indicates that there is a subway line connection or service relationship between the referenced entities.
-
E.
isBetweenStationsOnLine
Indicates that something is located or occurs between two stations along the same transit line.
- F. None of above.
Provenance (6 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_69d6aa88500c819097d7032ca578e74f |
completed | April 8, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69d770ed2f1c819081ec58457f57889d |
completed | April 9, 2026, 9:27 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e23c57038c819087671177c2ed5633 |
completed | April 17, 2026, 1:57 p.m. |
| NEDg | Description generation | batch_69e24543bd2c8190a3c807baa76c30f6 |
completed | April 17, 2026, 2:35 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69e25d11ef24819091e730ae2416a058 |
completed | April 17, 2026, 4:17 p.m. |
| PD | Predicate disambiguation | batch_69d72e874f48819096ffa878f90c7d5b |
completed | April 9, 2026, 4:43 a.m. |
Created at: April 8, 2026, 9:23 p.m.