Triple

T2746549
Position Surface form Disambiguated ID Type / Status
Subject Ulm Hauptbahnhof E60882 entity
Predicate railwayLine P848 FINISHED
Object Ulm–Aalen railway
The Ulm–Aalen railway is a regional rail line in the German state of Baden-Württemberg that connects the cities of Ulm and Aalen as part of the country’s conventional rail network.
 E308379 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: Ulm–Aalen railway | Statement: [Ulm Hauptbahnhof, railwayLine, Ulm–Aalen railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Ulm–Aalen railway
Context triple: [Ulm Hauptbahnhof, railwayLine, Ulm–Aalen railway]
  • A. Ulm–Augsburg railway
    The Ulm–Augsburg railway is a major rail line in southern Germany that connects the cities of Ulm and Augsburg and forms part of an important east–west transport corridor.
  • B. Ulm–Friedrichshafen railway
    The Ulm–Friedrichshafen railway is a mainline rail route in southern Germany connecting the inland city of Ulm with the lakeside city of Friedrichshafen on Lake Constance.
  • C. Stuttgart–Ulm railway
    The Stuttgart–Ulm railway is a major German rail corridor in Baden-Württemberg that connects the state capital Stuttgart with the city of Ulm and forms part of an important east–west European transport axis.
  • D. Ulm–Memmingen railway
    The Ulm–Memmingen railway is a regional rail line in southern Germany connecting the cities of Ulm and Memmingen as part of the country’s broader rail network.
  • E. Ulm–Sigmaringen railway
    The Ulm–Sigmaringen railway is a regional rail line in the German state of Baden-Württemberg that connects the city of Ulm with Sigmaringen through the Swabian Jura.
  • 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: Ulm–Aalen railway
Triple: [Ulm Hauptbahnhof, railwayLine, Ulm–Aalen railway]
Generated description
The Ulm–Aalen railway is a regional rail line in the German state of Baden-Württemberg that connects the cities of Ulm and Aalen as part of the country’s conventional rail network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Ulm–Aalen railway
Target entity description: The Ulm–Aalen railway is a regional rail line in the German state of Baden-Württemberg that connects the cities of Ulm and Aalen as part of the country’s conventional rail network.
  • A. Ulm–Augsburg railway
    The Ulm–Augsburg railway is a major rail line in southern Germany that connects the cities of Ulm and Augsburg and forms part of an important east–west transport corridor.
  • B. Ulm–Friedrichshafen railway
    The Ulm–Friedrichshafen railway is a mainline rail route in southern Germany connecting the inland city of Ulm with the lakeside city of Friedrichshafen on Lake Constance.
  • C. Stuttgart–Ulm railway
    The Stuttgart–Ulm railway is a major German rail corridor in Baden-Württemberg that connects the state capital Stuttgart with the city of Ulm and forms part of an important east–west European transport axis.
  • D. Ulm–Memmingen railway
    The Ulm–Memmingen railway is a regional rail line in southern Germany connecting the cities of Ulm and Memmingen as part of the country’s broader rail network.
  • E. Ulm–Sigmaringen railway
    The Ulm–Sigmaringen railway is a regional rail line in the German state of Baden-Württemberg that connects the city of Ulm with Sigmaringen through the Swabian Jura.
  • 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_69ab4b79846081909096725374d65ce9 completed March 6, 2026, 9:47 p.m.
NER Named-entity recognition batch_69abdb4ed6bc8190876c1d188b97692b completed March 7, 2026, 8:01 a.m.
NED1 Entity disambiguation (via context triple) batch_69b0311b05088190baa21a31cebec736 completed March 10, 2026, 2:56 p.m.
NEDg Description generation batch_69b034ec1d508190ba885f68240589b2 completed March 10, 2026, 3:12 p.m.
NED2 Entity disambiguation (via description) batch_69b03c7c00508190834726dcdcc43511 completed March 10, 2026, 3:45 p.m.
Created at: March 6, 2026, 9:56 p.m.