Triple

T5472971
Position Surface form Disambiguated ID Type / Status
Subject Gera Hauptbahnhof E122879 entity
Predicate hasRailwayLine P848 FINISHED
Object Gera–Saalfeld railway
The Gera–Saalfeld railway is a regional rail line in the German state of Thuringia that connects the cities of Gera and Saalfeld and serves as part of the area’s local passenger and freight transport network.
 E524468 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: Gera–Saalfeld railway | Statement: [Gera Hauptbahnhof, hasRailwayLine, Gera–Saalfeld railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Gera–Saalfeld railway
Context triple: [Gera Hauptbahnhof, hasRailwayLine, Gera–Saalfeld railway]
  • A. Weimar–Gera railway
    The Weimar–Gera railway is a regional rail line in the German state of Thuringia that connects the cities of Weimar and Gera, serving as an important east–west transport corridor.
  • B. Eisenach–Lichtenfels railway
    The Eisenach–Lichtenfels railway is a German rail line connecting the Thuringian town of Eisenach with the Bavarian town of Lichtenfels as part of the regional and long-distance rail network.
  • C. Nuremberg–Lichtenfels railway
    The Nuremberg–Lichtenfels railway is a mainline rail route in Bavaria, Germany, connecting the city of Nuremberg with the town of Lichtenfels as part of the regional and long-distance rail network.
  • D. Leipzig–Probstzella railway
    The Leipzig–Probstzella railway is a major German rail route in central Germany that connects Leipzig with Probstzella, serving as an important regional and intercity transport corridor.
  • E. Nuremberg–Bamberg railway
    The Nuremberg–Bamberg railway is a major German main line in Bavaria that connects the cities of Nuremberg and Bamberg and forms part of important regional and long-distance rail routes.
  • 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: Gera–Saalfeld railway
Triple: [Gera Hauptbahnhof, hasRailwayLine, Gera–Saalfeld railway]
Generated description
The Gera–Saalfeld railway is a regional rail line in the German state of Thuringia that connects the cities of Gera and Saalfeld and serves as part of the area’s local passenger and freight transport network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Gera–Saalfeld railway
Target entity description: The Gera–Saalfeld railway is a regional rail line in the German state of Thuringia that connects the cities of Gera and Saalfeld and serves as part of the area’s local passenger and freight transport network.
  • A. Weimar–Gera railway
    The Weimar–Gera railway is a regional rail line in the German state of Thuringia that connects the cities of Weimar and Gera, serving as an important east–west transport corridor.
  • B. Eisenach–Lichtenfels railway
    The Eisenach–Lichtenfels railway is a German rail line connecting the Thuringian town of Eisenach with the Bavarian town of Lichtenfels as part of the regional and long-distance rail network.
  • C. Nuremberg–Lichtenfels railway
    The Nuremberg–Lichtenfels railway is a mainline rail route in Bavaria, Germany, connecting the city of Nuremberg with the town of Lichtenfels as part of the regional and long-distance rail network.
  • D. Leipzig–Probstzella railway
    The Leipzig–Probstzella railway is a major German rail route in central Germany that connects Leipzig with Probstzella, serving as an important regional and intercity transport corridor.
  • E. Nuremberg–Bamberg railway
    The Nuremberg–Bamberg railway is a major German main line in Bavaria that connects the cities of Nuremberg and Bamberg and forms part of important regional and long-distance rail routes.
  • 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_69bd46459ff48190823377457bcf7128 completed March 20, 2026, 1:06 p.m.
NER Named-entity recognition batch_69bd9230d6d88190a9ac48a4488e1754 completed March 20, 2026, 6:30 p.m.
NED1 Entity disambiguation (via context triple) batch_69bf70d919e08190a4fae4359cf8c951 completed March 22, 2026, 4:32 a.m.
NEDg Description generation batch_69bf72b023e081908d8b479f0f58762f completed March 22, 2026, 4:40 a.m.
NED2 Entity disambiguation (via description) batch_69bf730143f88190b1e244a928dc3051 completed March 22, 2026, 4:41 a.m.
Created at: March 20, 2026, 2:09 p.m.