Triple

T21315391
Position Surface form Disambiguated ID Type / Status
Subject Parsons Green tube station E525455 entity
Predicate hasEvent P811 FINISHED
Object 2017 Parsons Green train bombing
The 2017 Parsons Green train bombing was a failed terrorist attack in London in which an improvised explosive device partially detonated on a District line train, injuring dozens of passengers.
E1477136 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: 2017 Parsons Green train bombing | Statement: [Parsons Green tube station, hasEvent, 2017 Parsons Green train bombing]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: 2017 Parsons Green train bombing
Context triple: [Parsons Green tube station, hasEvent, 2017 Parsons Green train bombing]
  • A. Canary Wharf bombing
    The Canary Wharf bombing was a major 1996 Provisional IRA truck bomb attack in London’s Docklands financial district that killed two people, caused massive damage, and marked the end of the IRA’s 1994 ceasefire.
  • B. London Underground bombing
    The London Underground bombing is a fictional terrorist attack depicted in the James Bond film "Skyfall," in which the villain Raoul Silva targets the London subway system as part of his plot against MI6.
  • C. 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.
  • D. Bishopsgate bombing
    The Bishopsgate bombing was a major 1993 Provisional IRA truck bomb attack in the City of London that caused extensive damage, one death, and significant disruption to the financial district.
  • E. 2005 London bombings
    The 2005 London bombings were a series of coordinated suicide attacks on London’s public transport system that killed 52 civilians and marked one of the deadliest terrorist incidents in the United Kingdom.
  • 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: 2017 Parsons Green train bombing
Triple: [Parsons Green tube station, hasEvent, 2017 Parsons Green train bombing]
Generated description
The 2017 Parsons Green train bombing was a failed terrorist attack in London in which an improvised explosive device partially detonated on a District line train, injuring dozens of passengers.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: 2017 Parsons Green train bombing
Target entity description: The 2017 Parsons Green train bombing was a failed terrorist attack in London in which an improvised explosive device partially detonated on a District line train, injuring dozens of passengers.
  • A. Canary Wharf bombing
    The Canary Wharf bombing was a major 1996 Provisional IRA truck bomb attack in London’s Docklands financial district that killed two people, caused massive damage, and marked the end of the IRA’s 1994 ceasefire.
  • B. London Underground bombing
    The London Underground bombing is a fictional terrorist attack depicted in the James Bond film "Skyfall," in which the villain Raoul Silva targets the London subway system as part of his plot against MI6.
  • C. 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.
  • D. Bishopsgate bombing
    The Bishopsgate bombing was a major 1993 Provisional IRA truck bomb attack in the City of London that caused extensive damage, one death, and significant disruption to the financial district.
  • E. 2005 London bombings
    The 2005 London bombings were a series of coordinated suicide attacks on London’s public transport system that killed 52 civilians and marked one of the deadliest terrorist incidents in the United Kingdom.
  • 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_69e0b51ad810819098c12392c8e55f6c completed April 16, 2026, 10:08 a.m.
NER Named-entity recognition batch_69e75dcf2534819097abbb2e9559e791 completed April 21, 2026, 11:21 a.m.
NED1 Entity disambiguation (via context triple) batch_6a099edb42a08190889785a096d3b7d7 completed May 17, 2026, 10:56 a.m.
NEDg Description generation batch_6a099f8c4a5c8190a67b3185fe8a02ad completed May 17, 2026, 10:59 a.m.
NED2 Entity disambiguation (via description) batch_6a099ffeb4b88190b2859b55ba356e22 completed May 17, 2026, 11:01 a.m.
Created at: April 16, 2026, 4:28 p.m.