Triple

T12639449
Position Surface form Disambiguated ID Type / Status
Subject Frankfurt U-Bahn E301853 entity
Predicate hasLine P35 FINISHED
Object U6
U6 is a rapid transit line of the Frankfurt U-Bahn system serving key districts across the city.
 E994491 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: U6 | Statement: [Frankfurt U-Bahn, hasLine, U6]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: U6
Context triple: [Frankfurt U-Bahn, hasLine, U6]
  • A. U6
    U6 is a major north–south line of the Berlin U-Bahn rapid transit system, connecting several key districts across the city.
  • B. U6
    U6 is a major Munich U-Bahn line running north–south across the city, connecting key districts and transport hubs.
  • C. U6
    U6 is the IATA airline designator assigned to Ural Airlines, a Russian commercial air carrier.
  • D. U6
    U6 is a light rail line of the Stuttgart Stadtbahn network serving various districts in and around Stuttgart, Germany.
  • E. U5
    U5 is a major line of the Berlin U-Bahn rapid transit system that runs east–west across the city, connecting central Berlin with several eastern districts.
  • 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: U6
Triple: [Frankfurt U-Bahn, hasLine, U6]
Generated description
U6 is a rapid transit line of the Frankfurt U-Bahn system serving key districts across the city.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: U6
Target entity description: U6 is a rapid transit line of the Frankfurt U-Bahn system serving key districts across the city.
  • A. U6
    U6 is a major north–south line of the Berlin U-Bahn rapid transit system, connecting several key districts across the city.
  • B. U6
    U6 is the IATA airline designator assigned to Ural Airlines, a Russian commercial air carrier.
  • C. U6
    U6 is a major Munich U-Bahn line running north–south across the city, connecting key districts and transport hubs.
  • D. U6
    U6 is a light rail line of the Stuttgart Stadtbahn network serving various districts in and around Stuttgart, Germany.
  • E. U5
    U5 is a major line of the Berlin U-Bahn rapid transit system that runs east–west across the city, connecting central Berlin with several eastern districts.
  • 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_69d7bdec9f9c8190b4bac675b7588211 completed April 9, 2026, 2:55 p.m.
NER Named-entity recognition batch_69d961499de08190bdba66ca40b021be completed April 10, 2026, 8:44 p.m.
NED1 Entity disambiguation (via context triple) batch_69f668754acc8190b5585dbd35387867 completed May 2, 2026, 9:11 p.m.
NEDg Description generation batch_69f6697d8ac88190b4ead9ce47f3a705 completed May 2, 2026, 9:15 p.m.
NED2 Entity disambiguation (via description) batch_69f66a2fa350819091f12e16d59c2278 completed May 2, 2026, 9:18 p.m.
Created at: April 9, 2026, 5:16 p.m.