Triple
T14189639
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Kennedybrücke (Hamburg) |
E351676
|
entity |
| Predicate | hasRailwayLine |
P848
|
FINISHED |
| Object |
Hamburg U-Bahn line U4
Hamburg U-Bahn line U4 is a metro line of the Hamburg rapid transit network that primarily serves the city’s eastern and HafenCity redevelopment areas.
|
E1088769
|
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: Hamburg U-Bahn line U4 | Statement: [Kennedybrücke (Hamburg), hasRailwayLine, Hamburg U-Bahn line U4]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Hamburg U-Bahn line U4 Context triple: [Kennedybrücke (Hamburg), hasRailwayLine, Hamburg U-Bahn line U4]
-
A.
Hamburg U-Bahn line U1
Hamburg U-Bahn line U1 is a major rapid transit line in Hamburg’s underground network, running from the city center through several northern and northeastern districts to suburban areas.
-
B.
Hamburg U-Bahn line U2
Hamburg U-Bahn line U2 is a major rapid transit line in Hamburg’s underground network, running across the city to connect central districts with outlying residential areas such as Niendorf.
-
C.
Berlin U-Bahn line U4
Berlin U-Bahn line U4 is one of the shortest and oldest lines in Berlin’s subway network, running entirely within the Schöneberg district and connecting a small number of central stations.
-
D.
Hamburg U-Bahn line U3
Hamburg U-Bahn line U3 is a historic circular metro line that runs largely above ground, offering key transit service and scenic views through central and harbor areas of Hamburg.
-
E.
Hamburg U-Bahn
The Hamburg U-Bahn is the rapid transit metro system serving the city of Hamburg, Germany, and its surrounding areas.
- 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: Hamburg U-Bahn line U4 Triple: [Kennedybrücke (Hamburg), hasRailwayLine, Hamburg U-Bahn line U4]
Generated description
Hamburg U-Bahn line U4 is a metro line of the Hamburg rapid transit network that primarily serves the city’s eastern and HafenCity redevelopment areas.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Hamburg U-Bahn line U4 Target entity description: Hamburg U-Bahn line U4 is a metro line of the Hamburg rapid transit network that primarily serves the city’s eastern and HafenCity redevelopment areas.
-
A.
Hamburg U-Bahn line U1
Hamburg U-Bahn line U1 is a major rapid transit line in Hamburg’s underground network, running from the city center through several northern and northeastern districts to suburban areas.
-
B.
Hamburg U-Bahn line U2
Hamburg U-Bahn line U2 is a major rapid transit line in Hamburg’s underground network, running across the city to connect central districts with outlying residential areas such as Niendorf.
-
C.
Berlin U-Bahn line U4
Berlin U-Bahn line U4 is one of the shortest and oldest lines in Berlin’s subway network, running entirely within the Schöneberg district and connecting a small number of central stations.
-
D.
Hamburg U-Bahn line U3
Hamburg U-Bahn line U3 is a historic circular metro line that runs largely above ground, offering key transit service and scenic views through central and harbor areas of Hamburg.
-
E.
Hamburg U-Bahn
The Hamburg U-Bahn is the rapid transit metro system serving the city of Hamburg, Germany, and its surrounding areas.
- 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_69d827894ac0819097803e57f3227b23 |
completed | April 9, 2026, 10:26 p.m. |
| NER | Named-entity recognition | batch_69de61df628c8190ba3f557e2128dce5 |
completed | April 14, 2026, 3:48 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fd32497780819092e2d2ffe2a9dcaf |
completed | May 8, 2026, 12:46 a.m. |
| NEDg | Description generation | batch_69fd331562308190a0a2dfcc4a0d26a0 |
completed | May 8, 2026, 12:49 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69fd338f13dc8190b264534ed9a78cb5 |
completed | May 8, 2026, 12:51 a.m. |
Created at: April 10, 2026, 1:03 a.m.