Triple
T15046132
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Berlin-Spandau station |
E379228
|
entity |
| Predicate | hasServiceOperator |
P5884
|
FINISHED |
| Object |
DB Regio Nordost
DB Regio Nordost is a regional division of Deutsche Bahn responsible for operating local and regional passenger rail services in northeastern Germany.
|
E119083
|
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: DB Regio Nordost | Statement: [Berlin-Spandau station, hasServiceOperator, DB Regio Nordost]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: DB Regio Nordost Context triple: [Berlin-Spandau station, hasServiceOperator, DB Regio Nordost]
-
A.
DB Regio
DB Regio is a division of Germany’s national railway company that operates most of the country’s regional and local passenger train services.
-
B.
DB Regio Bayern
DB Regio Bayern is the regional rail division of Deutsche Bahn responsible for operating local passenger train services throughout the German state of Bavaria.
-
C.
InterRegio
InterRegio is a category of medium- to long-distance passenger trains in several European countries that provides relatively fast regional connections between major cities and regions.
-
D.
DB Regio Mitte
DB Regio Mitte is a regional division of Deutsche Bahn responsible for operating local and regional passenger train services in central Germany.
-
E.
Verkehrsverbund Ost-Region
Verkehrsverbund Ost-Region is the public transport association that coordinates and manages integrated ticketing and fares for the eastern region of Austria, including Vienna 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: DB Regio Nordost Triple: [Berlin-Spandau station, hasServiceOperator, DB Regio Nordost]
Generated description
DB Regio Nordost is a regional division of Deutsche Bahn responsible for operating local and regional passenger rail services in northeastern Germany.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: DB Regio Nordost Target entity description: DB Regio Nordost is a regional division of Deutsche Bahn responsible for operating local and regional passenger rail services in northeastern Germany.
-
A.
DB Regio
chosen
DB Regio is a division of Germany’s national railway company that operates most of the country’s regional and local passenger train services.
-
B.
DB Regio Bayern
DB Regio Bayern is the regional rail division of Deutsche Bahn responsible for operating local passenger train services throughout the German state of Bavaria.
-
C.
InterRegio
InterRegio is a category of medium- to long-distance passenger trains in several European countries that provides relatively fast regional connections between major cities and regions.
-
D.
DB Regio Mitte
DB Regio Mitte is a regional division of Deutsche Bahn responsible for operating local and regional passenger train services in central Germany.
-
E.
Verkehrsverbund Ost-Region
Verkehrsverbund Ost-Region is the public transport association that coordinates and manages integrated ticketing and fares for the eastern region of Austria, including Vienna and its surrounding areas.
- F. None of above.
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_69d85cd64d108190853797a95c11cc45 |
completed | April 10, 2026, 2:13 a.m. |
| NER | Named-entity recognition | batch_69ded830c3c08190a87b81abbbb75377 |
completed | April 15, 2026, 12:13 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fe9de73614819098b7a88624407d0e |
completed | May 9, 2026, 2:37 a.m. |
| NEDg | Description generation | batch_69fe9f49b1108190a453ef3805006e6c |
completed | May 9, 2026, 2:43 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69fe9fb79bd08190b22f92df751d0e58 |
completed | May 9, 2026, 2:45 a.m. |
Created at: April 10, 2026, 3 a.m.