Triple

T2261142
Position Surface form Disambiguated ID Type / Status
Subject Severn Bridge E50040 entity
Predicate partOf P40 FINISHED
Object Severn Estuary crossings
Severn Estuary crossings are a set of major road bridges linking England and Wales across the Severn Estuary, carrying key motorway routes over the tidal waters between the two countries.
E50040 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: Severn Estuary crossings | Statement: [Severn Bridge, partOf, Severn Estuary crossings]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Severn Estuary crossings
Context triple: [Severn Bridge, partOf, Severn Estuary crossings]
  • A. Severn Bridge
    Severn Bridge is a major suspension bridge in the United Kingdom that spans the River Severn and connects England with South Wales.
  • B. Dartford Crossing
    The Dartford Crossing is a major road crossing of the River Thames in southeast England, consisting of tunnels and a cable-stayed bridge that carry heavy traffic between Kent and Essex.
  • C. Esher Bridge
    Esher Bridge is a historic road bridge in Esher, Surrey, carrying traffic over the River Mole.
  • D. Chelsea Bridge
    Chelsea Bridge was a historic roadway bridge in Massachusetts that once carried traffic across the Mystic River between Chelsea and Charlestown before being superseded by the Tobin Bridge.
  • E. Severn Tunnel
    Severn Tunnel is a major railway tunnel in the United Kingdom that runs beneath the River Severn, linking South West England with South Wales.
  • 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: Severn Estuary crossings
Triple: [Severn Bridge, partOf, Severn Estuary crossings]
Generated description
Severn Estuary crossings are a set of major road bridges linking England and Wales across the Severn Estuary, carrying key motorway routes over the tidal waters between the two countries.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Severn Estuary crossings
Target entity description: Severn Estuary crossings are a set of major road bridges linking England and Wales across the Severn Estuary, carrying key motorway routes over the tidal waters between the two countries.
  • A. Severn Bridge chosen
    Severn Bridge is a major suspension bridge in the United Kingdom that spans the River Severn and connects England with South Wales.
  • B. Dartford Crossing
    The Dartford Crossing is a major road crossing of the River Thames in southeast England, consisting of tunnels and a cable-stayed bridge that carry heavy traffic between Kent and Essex.
  • C. Esher Bridge
    Esher Bridge is a historic road bridge in Esher, Surrey, carrying traffic over the River Mole.
  • D. Chelsea Bridge
    Chelsea Bridge was a historic roadway bridge in Massachusetts that once carried traffic across the Mystic River between Chelsea and Charlestown before being superseded by the Tobin Bridge.
  • E. Severn Tunnel
    Severn Tunnel is a major railway tunnel in the United Kingdom that runs beneath the River Severn, linking South West England with South Wales.
  • F. None of above.

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_69a88b01e0048190ba96431b5f990ba9 completed March 4, 2026, 7:41 p.m.
NER Named-entity recognition batch_69abc18aa9d48190893ca32558730e9c completed March 7, 2026, 6:11 a.m.
NED1 Entity disambiguation (via context triple) batch_69aea86527d08190a1332d133fbd7293 completed March 9, 2026, 11 a.m.
NEDg Description generation batch_69aea9ca68148190a8773a80c8296a4d completed March 9, 2026, 11:06 a.m.
NED2 Entity disambiguation (via description) batch_69aeaa32e3f48190ada5aab1b05e5aaa completed March 9, 2026, 11:08 a.m.
Created at: March 4, 2026, 7:48 p.m.