Triple
T267104
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Manchester Arena |
E5754
|
entity |
| Predicate | notableEvent |
P259
|
FINISHED |
| Object |
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.
|
E34424
|
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 Manchester Arena bombing | Statement: [Manchester Arena, notableEvent, 2017 Manchester Arena bombing]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: 2017 Manchester Arena bombing Context triple: [Manchester Arena, notableEvent, 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.
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.
-
C.
Enniskillen bombing
The Enniskillen bombing was a 1987 IRA bomb attack during a Remembrance Day ceremony in Enniskillen, Northern Ireland, that killed 11 civilians and became one of the most widely condemned atrocities of the Troubles.
-
D.
2013 Boston Marathon bombing
The 2013 Boston Marathon bombing was a terrorist attack in which two homemade bombs exploded near the marathon’s finish line, killing three people and injuring hundreds.
-
E.
Peterloo Massacre
The Peterloo Massacre was an 1819 incident in Manchester where cavalry charged into a large, peaceful pro-democracy rally, killing and injuring many protesters and becoming a pivotal moment in British political reform history.
- 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 Manchester Arena bombing Triple: [Manchester Arena, notableEvent, 2017 Manchester Arena bombing]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: 2017 Manchester Arena bombing Target entity description: 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.
-
A.
Manchester Arena
Manchester Arena is a large indoor entertainment and sports venue in Manchester, England, known for hosting major concerts and events.
-
B.
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.
-
C.
Enniskillen bombing
The Enniskillen bombing was a 1987 IRA bomb attack during a Remembrance Day ceremony in Enniskillen, Northern Ireland, that killed 11 civilians and became one of the most widely condemned atrocities of the Troubles.
-
D.
2013 Boston Marathon bombing
The 2013 Boston Marathon bombing was a terrorist attack in which two homemade bombs exploded near the marathon’s finish line, killing three people and injuring hundreds.
-
E.
Peterloo Massacre
The Peterloo Massacre was an 1819 incident in Manchester where cavalry charged into a large, peaceful pro-democracy rally, killing and injuring many protesters and becoming a pivotal moment in British political reform history.
- 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_69a2587daeb081909591b9d30f80a271 |
completed | Feb. 28, 2026, 2:52 a.m. |
| NER | Named-entity recognition | batch_69a25dacf60c8190a5c3ef455b9a8b20 |
completed | Feb. 28, 2026, 3:14 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a389af49f08190991cc16264a2c2c4 |
completed | March 1, 2026, 12:34 a.m. |
| NEDg | Description generation | batch_69a38a0114b481908c9363e926b4b3ae |
completed | March 1, 2026, 12:36 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a38a699a6081908c167ce9ad55a660 |
completed | March 1, 2026, 12:38 a.m. |
Created at: Feb. 28, 2026, 2:56 a.m.