Triple

T5522402
Position Surface form Disambiguated ID Type / Status
Subject Berlin U-Bahn E144841 entity
Predicate hasLine P35 FINISHED
Object U2
U2 is a major line of the Berlin U-Bahn rapid transit system, running east–west across the city and serving many central and historically significant stations.
 E530777 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: U2 | Statement: [Berlin U-Bahn, hasLine, U2]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: U2
Context triple: [Berlin U-Bahn, hasLine, U2]
  • A. U2
    U2 is one of the main rapid transit lines of the Nuremberg U-Bahn system in Nuremberg, Germany.
  • B. U2
    U2 is an Irish rock band formed in Dublin in 1976, renowned for its anthemic sound, socially conscious lyrics, and global influence on popular music.
  • C. U2
    U2 is the IATA airline code for easyJet, a major low-cost airline based in the United Kingdom.
  • D. The Cranberries
    The Cranberries were an Irish alternative rock band formed in Limerick, best known for Dolores O’Riordan’s distinctive vocals and international hits like “Linger” and “Zombie.”
  • E. R.E.M.
    R.E.M. is an influential American rock band, formed in 1980 in Athens, Georgia, known for pioneering alternative rock with hits like "Losing My Religion" and "Everybody Hurts."
  • 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: U2
Triple: [Berlin U-Bahn, hasLine, U2]
Generated description
U2 is a major line of the Berlin U-Bahn rapid transit system, running east–west across the city and serving many central and historically significant stations.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: U2
Target entity description: U2 is a major line of the Berlin U-Bahn rapid transit system, running east–west across the city and serving many central and historically significant stations.
  • A. U2
    U2 is an Irish rock band formed in Dublin in 1976, renowned for its anthemic sound, socially conscious lyrics, and global influence on popular music.
  • B. U2
    U2 is one of the main rapid transit lines of the Nuremberg U-Bahn system in Nuremberg, Germany.
  • C. U2
    U2 is the IATA airline code for easyJet, a major low-cost airline based in the United Kingdom.
  • D. The Cranberries
    The Cranberries were an Irish alternative rock band formed in Limerick, best known for Dolores O’Riordan’s distinctive vocals and international hits like “Linger” and “Zombie.”
  • E. R.E.M.
    R.E.M. is an influential American rock band, formed in 1980 in Athens, Georgia, known for pioneering alternative rock with hits like "Losing My Religion" and "Everybody Hurts."
  • 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_69c008f873a481909b4d9f7e2db3c37d completed March 22, 2026, 3:21 p.m.
NER Named-entity recognition batch_69c01f73cc8c8190a92a839c1ca804c7 completed March 22, 2026, 4:57 p.m.
NED1 Entity disambiguation (via context triple) batch_69c027f2e98c8190880752c9ae8aba4f completed March 22, 2026, 5:33 p.m.
NEDg Description generation batch_69c04375a6e48190be2ce054fe79f8fc completed March 22, 2026, 7:31 p.m.
NED2 Entity disambiguation (via description) batch_69c043f987a48190828e012763fa0576 completed March 22, 2026, 7:33 p.m.
Created at: March 22, 2026, 3:34 p.m.