Triple

T16581326
Position Surface form Disambiguated ID Type / Status
Subject Metheringham railway station E402836 entity
Predicate near P350 FINISHED
Object Metheringham Fen
Metheringham Fen is a rural fenland area in Lincolnshire, England, characterized by flat agricultural landscapes and drainage channels typical of the Fens region.
E1221591 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: Metheringham Fen | Statement: [Metheringham railway station, near, Metheringham Fen]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Metheringham Fen
Context triple: [Metheringham railway station, near, Metheringham Fen]
  • A. Fulbourn Fen
    Fulbourn Fen is a protected wetland nature reserve near Fulbourn in Cambridgeshire, England, known for its rich fenland habitats and diverse wildlife.
  • B. Wicken Fen
    Wicken Fen is one of Britain’s oldest and most important nature reserves, protecting rare wetland habitats and wildlife in Cambridgeshire.
  • C. Lakenheath Fen
    Lakenheath Fen is a restored wetland nature reserve in Suffolk, England, renowned for its reedbeds, grazing marshes, and diverse birdlife.
  • D. Ouse Fen
    Ouse Fen is a large wetland nature reserve in Cambridgeshire, England, created from former gravel pits and managed for wildlife conservation and public recreation.
  • E. Aveley Marshes
    Aveley Marshes is a nature reserve of grazing marsh, wetlands, and reedbeds along the River Thames in Essex, England, known for its rich birdlife and conservation value.
  • 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: Metheringham Fen
Triple: [Metheringham railway station, near, Metheringham Fen]
Generated description
Metheringham Fen is a rural fenland area in Lincolnshire, England, characterized by flat agricultural landscapes and drainage channels typical of the Fens region.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Metheringham Fen
Target entity description: Metheringham Fen is a rural fenland area in Lincolnshire, England, characterized by flat agricultural landscapes and drainage channels typical of the Fens region.
  • A. Fulbourn Fen
    Fulbourn Fen is a protected wetland nature reserve near Fulbourn in Cambridgeshire, England, known for its rich fenland habitats and diverse wildlife.
  • B. Wicken Fen
    Wicken Fen is one of Britain’s oldest and most important nature reserves, protecting rare wetland habitats and wildlife in Cambridgeshire.
  • C. Lakenheath Fen
    Lakenheath Fen is a restored wetland nature reserve in Suffolk, England, renowned for its reedbeds, grazing marshes, and diverse birdlife.
  • D. Ouse Fen
    Ouse Fen is a large wetland nature reserve in Cambridgeshire, England, created from former gravel pits and managed for wildlife conservation and public recreation.
  • E. Aveley Marshes
    Aveley Marshes is a nature reserve of grazing marsh, wetlands, and reedbeds along the River Thames in Essex, England, known for its rich birdlife and conservation value.
  • 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_69d88387363c8190a97a0c942130de97 completed April 10, 2026, 4:58 a.m.
NER Named-entity recognition batch_69e35998371c8190936dcdaab5ca7e21 completed April 18, 2026, 10:14 a.m.
NED1 Entity disambiguation (via context triple) batch_6a006ef0bc4c8190b06b03c06d344abf completed May 10, 2026, 11:41 a.m.
NEDg Description generation batch_6a006ff5bdb88190be90d7446e24b61f completed May 10, 2026, 11:45 a.m.
NED2 Entity disambiguation (via description) batch_6a007088fd988190b3dfef081769d03e completed May 10, 2026, 11:48 a.m.
Created at: April 10, 2026, 5:16 a.m.