Triple

T17175345
Position Surface form Disambiguated ID Type / Status
Subject Siemens-Duewag U2 E416844 entity
Predicate usedInTransportSystem P941 FINISHED
Object Stadtbahn Rhein-Haardt
Stadtbahn Rhein-Haardt is a regional light rail/tramway system in southwestern Germany that connects cities in the Rhine-Neckar area.
E1262727 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: Stadtbahn Rhein-Haardt | Statement: [Siemens-Duewag U2, usedInTransportSystem, Stadtbahn Rhein-Haardt]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Stadtbahn Rhein-Haardt
Context triple: [Siemens-Duewag U2, usedInTransportSystem, Stadtbahn Rhein-Haardt]
  • A. Stadtbahn Rhein-Neckar
    Stadtbahn Rhein-Neckar is a regional light rail and tram-train network serving the Rhine-Neckar metropolitan area in southwestern Germany, connecting cities such as Mannheim, Ludwigshafen, and Heidelberg.
  • B. Stadtbahn Rhein-Sieg
    Stadtbahn Rhein-Sieg is a light rail and tram network serving the Cologne/Bonn metropolitan region in Germany as part of the local public transport system.
  • C. Stadtbahn Rhein-Ruhr
    The Stadtbahn Rhein-Ruhr is a light rail and rapid transit network serving multiple cities in Germany’s densely populated Rhine-Ruhr metropolitan region.
  • D. Cologne Stadtbahn
    The Cologne Stadtbahn is a light rail and rapid transit network serving Cologne and its surrounding region, integrating underground and surface lines for urban and suburban transportation.
  • E. Stadtbahn Rhein-Main
    Stadtbahn Rhein-Main is a light rail and rapid transit network serving the Frankfurt Rhine-Main metropolitan region in Germany.
  • 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: Stadtbahn Rhein-Haardt
Triple: [Siemens-Duewag U2, usedInTransportSystem, Stadtbahn Rhein-Haardt]
Generated description
Stadtbahn Rhein-Haardt is a regional light rail/tramway system in southwestern Germany that connects cities in the Rhine-Neckar area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Stadtbahn Rhein-Haardt
Target entity description: Stadtbahn Rhein-Haardt is a regional light rail/tramway system in southwestern Germany that connects cities in the Rhine-Neckar area.
  • A. Stadtbahn Rhein-Neckar
    Stadtbahn Rhein-Neckar is a regional light rail and tram-train network serving the Rhine-Neckar metropolitan area in southwestern Germany, connecting cities such as Mannheim, Ludwigshafen, and Heidelberg.
  • B. Stadtbahn Rhein-Sieg
    Stadtbahn Rhein-Sieg is a light rail and tram network serving the Cologne/Bonn metropolitan region in Germany as part of the local public transport system.
  • C. Stadtbahn Rhein-Ruhr
    The Stadtbahn Rhein-Ruhr is a light rail and rapid transit network serving multiple cities in Germany’s densely populated Rhine-Ruhr metropolitan region.
  • D. Cologne Stadtbahn
    The Cologne Stadtbahn is a light rail and rapid transit network serving Cologne and its surrounding region, integrating underground and surface lines for urban and suburban transportation.
  • E. Stadtbahn Rhein-Main
    Stadtbahn Rhein-Main is a light rail and rapid transit network serving the Frankfurt Rhine-Main metropolitan region in Germany.
  • 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_69d886d5f34c8190b24564dfaa63f3fb completed April 10, 2026, 5:12 a.m.
NER Named-entity recognition batch_69e3fc0cec448190b30466628a2ff23f completed April 18, 2026, 9:47 p.m.
NED1 Entity disambiguation (via context triple) batch_6a018c38b1ec819092a551e2683a4b93 completed May 11, 2026, 7:58 a.m.
NEDg Description generation batch_6a018cf93d44819083defe64923320d5 completed May 11, 2026, 8:02 a.m.
NED2 Entity disambiguation (via description) batch_6a018e958cf08190b265c8a3bfd44512 completed May 11, 2026, 8:08 a.m.
Created at: April 10, 2026, 5:37 a.m.