Triple

T1602467
Position Surface form Disambiguated ID Type / Status
Subject 2017 Manchester Arena bombing E34424 entity
Predicate inquiry P21180 FINISHED
Object Manchester Arena Inquiry
The Manchester Arena Inquiry was a public investigation in the United Kingdom examining the circumstances, security failures, and emergency response surrounding the 2017 Manchester Arena bombing.
E181339 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: Manchester Arena Inquiry | Statement: [2017 Manchester Arena bombing, inquiry, Manchester Arena Inquiry]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Manchester Arena Inquiry
Context triple: [2017 Manchester Arena bombing, inquiry, Manchester Arena Inquiry]
  • A. Manchester Arena
    Manchester Arena is a large indoor entertainment and sports venue in Manchester, England, known for hosting major concerts and events.
  • B. 2017 Manchester Arena bombing
    The 2017 Manchester Arena bombing was a suicide terrorist attack at the end of an Ariana Grande concert in Manchester, England, that killed 22 people and injured hundreds, becoming one of the deadliest attacks in the UK in recent decades.
  • C. Saville Inquiry
    The Saville Inquiry was a major British public investigation led by Lord Saville of Newdigate into the events of Bloody Sunday in Northern Ireland, ultimately concluding that the killings of unarmed civil rights protesters by British soldiers were unjustified.
  • D. 1996 Manchester bombing
    The 1996 Manchester bombing was a major Provisional IRA truck bomb attack in Manchester city centre that caused widespread damage and led to extensive urban redevelopment.
  • E. Birmingham pub bombings
    The Birmingham pub bombings were a 1974 IRA terrorist attack in Birmingham, England, in which bombs exploded in two pubs, killing 21 people and injuring many others, becoming one of the deadliest incidents of The Troubles on the British mainland.
  • 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: Manchester Arena Inquiry
Triple: [2017 Manchester Arena bombing, inquiry, Manchester Arena Inquiry]
Generated description
The Manchester Arena Inquiry was a public investigation in the United Kingdom examining the circumstances, security failures, and emergency response surrounding the 2017 Manchester Arena bombing.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Manchester Arena Inquiry
Target entity description: The Manchester Arena Inquiry was a public investigation in the United Kingdom examining the circumstances, security failures, and emergency response surrounding the 2017 Manchester Arena bombing.
  • A. Manchester Arena
    Manchester Arena is a large indoor entertainment and sports venue in Manchester, England, known for hosting major concerts and events.
  • B. 2017 Manchester Arena bombing
    The 2017 Manchester Arena bombing was a suicide terrorist attack at the end of an Ariana Grande concert in Manchester, England, that killed 22 people and injured hundreds, becoming one of the deadliest attacks in the UK in recent decades.
  • C. Saville Inquiry
    The Saville Inquiry was a major British public investigation led by Lord Saville of Newdigate into the events of Bloody Sunday in Northern Ireland, ultimately concluding that the killings of unarmed civil rights protesters by British soldiers were unjustified.
  • D. 1996 Manchester bombing
    The 1996 Manchester bombing was a major Provisional IRA truck bomb attack in Manchester city centre that caused widespread damage and led to extensive urban redevelopment.
  • E. Birmingham pub bombings
    The Birmingham pub bombings were a 1974 IRA terrorist attack in Birmingham, England, in which bombs exploded in two pubs, killing 21 people and injuring many others, becoming one of the deadliest incidents of The Troubles on the British mainland.
  • 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_69a885fea6a481909fe83ba6441f1774 completed March 4, 2026, 7:20 p.m.
NER Named-entity recognition batch_69aa62292d1c819080b597199dc6b8d5 completed March 6, 2026, 5:12 a.m.
NED1 Entity disambiguation (via context triple) batch_69ad46ad15b081908b59df18224c7a8f completed March 8, 2026, 9:51 a.m.
NEDg Description generation batch_69ad4740c2788190a7ce80cb978a0b19 completed March 8, 2026, 9:54 a.m.
NED2 Entity disambiguation (via description) batch_69ad47bb63248190ba240c004b434686 completed March 8, 2026, 9:56 a.m.
Created at: March 4, 2026, 7:28 p.m.