Triple
T3417148
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Hallesches Tor |
E72035
|
entity |
| Predicate | hasOriginalNetwork |
P2594
|
FINISHED |
| Object |
Stammstrecke of Berlin U-Bahn
The Stammstrecke of the Berlin U-Bahn is the original core subway line in Berlin’s rapid transit system, forming the historic backbone from which the network later expanded.
|
E144841
|
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: Stammstrecke of Berlin U-Bahn | Statement: [Hallesches Tor, hasOriginalNetwork, Stammstrecke of Berlin U-Bahn]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Stammstrecke of Berlin U-Bahn Context triple: [Hallesches Tor, hasOriginalNetwork, Stammstrecke of Berlin U-Bahn]
-
A.
Berlin U-Bahn
The Berlin U-Bahn is the German capital’s extensive underground rapid transit system, forming a core part of its public transportation network.
-
B.
Berlin S-Bahn
The Berlin S-Bahn is a rapid transit railway network serving Berlin and its surrounding areas, integrating suburban and urban rail services across the metropolitan region.
-
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.
Berlin U-Bahn line U7
Berlin U-Bahn line U7 is one of the city's major underground metro lines, running in a long east–west arc across numerous districts and serving as a key backbone of Berlin’s public transport network.
-
E.
Berlin U-Bahn line U6
Berlin U-Bahn line U6 is a major north–south underground metro line in Berlin that connects the northern district of Tegel with southern neighborhoods through 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: Stammstrecke of Berlin U-Bahn Triple: [Hallesches Tor, hasOriginalNetwork, Stammstrecke of Berlin U-Bahn]
Generated description
The Stammstrecke of the Berlin U-Bahn is the original core subway line in Berlin’s rapid transit system, forming the historic backbone from which the network later expanded.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Stammstrecke of Berlin U-Bahn Target entity description: The Stammstrecke of the Berlin U-Bahn is the original core subway line in Berlin’s rapid transit system, forming the historic backbone from which the network later expanded.
-
A.
Berlin U-Bahn
chosen
The Berlin U-Bahn is the German capital’s extensive underground rapid transit system, forming a core part of its public transportation network.
-
B.
Berlin S-Bahn
The Berlin S-Bahn is a rapid transit railway network serving Berlin and its surrounding areas, integrating suburban and urban rail services across the metropolitan region.
-
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.
Berlin U-Bahn line U7
Berlin U-Bahn line U7 is one of the city's major underground metro lines, running in a long east–west arc across numerous districts and serving as a key backbone of Berlin’s public transport network.
-
E.
Berlin U-Bahn line U6
Berlin U-Bahn line U6 is a major north–south underground metro line in Berlin that connects the northern district of Tegel with southern neighborhoods through the city center.
- F. None of above.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: hasOriginalNetwork Context triple: [Hallesches Tor, hasOriginalNetwork, Stammstrecke of Berlin U-Bahn]
-
A.
originalNetwork
chosen
Indicates that one entity is the original or source network from which another network or derived entity is based or obtained.
-
B.
hasOriginalVersion
Indicates that one entity is the original or initial version from which another entity is derived or adapted.
-
C.
originalNetworkName
Indicates the name of the network from which something (e.g., data, content, or a connection) originally came.
-
D.
hasPrimaryNetwork
Indicates that an entity is associated with or connected to its main or most important network among potentially multiple networks.
-
E.
hasOriginIn
Indicates that something begins, arises, or is derived from a specified source, place, or cause.
- 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_69ad85ad38e48190b7660c5118a35289 |
completed | March 8, 2026, 2:20 p.m. |
| NER | Named-entity recognition | batch_69adb92c20fc81909b5debced20ec083 |
completed | March 8, 2026, 6 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b3546c88008190980a51195251af91 |
completed | March 13, 2026, 12:03 a.m. |
| NEDg | Description generation | batch_69b355a7dc308190ba8ab0db251592a2 |
completed | March 13, 2026, 12:09 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69b3566da174819086160cd254e0a443 |
completed | March 13, 2026, 12:12 a.m. |
| PD | Predicate disambiguation | batch_69adadfcbc38819080852c18240451c5 |
completed | March 8, 2026, 5:12 p.m. |
Created at: March 8, 2026, 3:15 p.m.