Triple

T8910401
Position Surface form Disambiguated ID Type / Status
Subject Sheppey Crossing E212166 entity
Predicate notableEvent P259 FINISHED
Object Sheppey Crossing pile-up
The Sheppey Crossing pile-up was a massive multi-vehicle collision in thick fog on the Sheppey Crossing bridge in Kent, England, that left dozens injured and became one of the UK’s largest road accidents.
E766649 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: Sheppey Crossing pile-up | Statement: [Sheppey Crossing, notableEvent, Sheppey Crossing pile-up]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Sheppey Crossing pile-up
Context triple: [Sheppey Crossing, notableEvent, Sheppey Crossing pile-up]
  • A. Hatfield rail crash
    The Hatfield rail crash was a fatal 2000 train derailment in Hertfordshire, England, that exposed serious track maintenance failures and triggered major reforms in the UK rail industry.
  • B. Shipton-on-Cherwell train crash
    The Shipton-on-Cherwell train crash was a major 1874 railway disaster in Oxfordshire, England, in which a derailment caused by a broken wheel led to numerous deaths and injuries and prompted significant improvements in railway safety.
  • C. Ladbroke Grove rail crash
    The Ladbroke Grove rail crash was a major 1999 train collision near Paddington Station in London that resulted in 31 deaths, over 500 injuries, and significant scrutiny of UK rail safety and signaling practices.
  • D. Piccadilly Incident
    Piccadilly Incident is a 1946 British romantic drama film starring Michael Wilding and Anna Neagle, centered on a wartime love story complicated by loss and mistaken death.
  • E. Burton at Bideford
    Burton at Bideford is a local art gallery and museum in Bideford, Devon, showcasing regional art, history, and cultural exhibitions.
  • 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: Sheppey Crossing pile-up
Triple: [Sheppey Crossing, notableEvent, Sheppey Crossing pile-up]
Generated description
The Sheppey Crossing pile-up was a massive multi-vehicle collision in thick fog on the Sheppey Crossing bridge in Kent, England, that left dozens injured and became one of the UK’s largest road accidents.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Sheppey Crossing pile-up
Target entity description: The Sheppey Crossing pile-up was a massive multi-vehicle collision in thick fog on the Sheppey Crossing bridge in Kent, England, that left dozens injured and became one of the UK’s largest road accidents.
  • A. Hatfield rail crash
    The Hatfield rail crash was a fatal 2000 train derailment in Hertfordshire, England, that exposed serious track maintenance failures and triggered major reforms in the UK rail industry.
  • B. Shipton-on-Cherwell train crash
    The Shipton-on-Cherwell train crash was a major 1874 railway disaster in Oxfordshire, England, in which a derailment caused by a broken wheel led to numerous deaths and injuries and prompted significant improvements in railway safety.
  • C. Ladbroke Grove rail crash
    The Ladbroke Grove rail crash was a major 1999 train collision near Paddington Station in London that resulted in 31 deaths, over 500 injuries, and significant scrutiny of UK rail safety and signaling practices.
  • D. Piccadilly Incident
    Piccadilly Incident is a 1946 British romantic drama film starring Michael Wilding and Anna Neagle, centered on a wartime love story complicated by loss and mistaken death.
  • E. Burton at Bideford
    Burton at Bideford is a local art gallery and museum in Bideford, Devon, showcasing regional art, history, and cultural exhibitions.
  • 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_69ca839255248190b43984294abd92ae completed March 30, 2026, 2:07 p.m.
NER Named-entity recognition batch_69cc65227d008190b13ba162d0b3c9d1 completed April 1, 2026, 12:21 a.m.
NED1 Entity disambiguation (via context triple) batch_69cfba36f8cc8190ab57ddc99b7219d1 completed April 3, 2026, 1:01 p.m.
NEDg Description generation batch_69cfbade9330819096d4b0eeacdad6da completed April 3, 2026, 1:04 p.m.
NED2 Entity disambiguation (via description) batch_69cfbec2b8888190a0390168fdcef05f completed April 3, 2026, 1:21 p.m.
Created at: March 30, 2026, 6:55 p.m.