Triple

T8250302
Position Surface form Disambiguated ID Type / Status
Subject BL postcode area E192939 entity
Predicate hasSortingOffice P1268 FINISHED
Object Bolton Mail Centre
Bolton Mail Centre is a Royal Mail sorting facility in Bolton that processes and distributes postal items for the surrounding BL postcode area.
 E721482 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: Bolton Mail Centre | Statement: [BL postcode area, hasSortingOffice, Bolton Mail Centre]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Bolton Mail Centre
Context triple: [BL postcode area, hasSortingOffice, Bolton Mail Centre]
  • A. Bolton Town Hall
    Bolton Town Hall is a prominent 19th-century civic building and architectural landmark located in the center of Bolton, England.
  • B. Brighton Mail Centre
    Brighton Mail Centre is a major Royal Mail processing and distribution facility serving the BN postcode area in and around Brighton, England.
  • C. Oldham Mail Centre
    Oldham Mail Centre is a Royal Mail sorting and distribution facility serving the OL postcode area in and around Oldham, Greater Manchester.
  • D. Bolton Central Library
    Bolton Central Library is the main public library and information hub serving the town of Bolton in Greater Manchester, England.
  • E. Bolton Arena complex
    The Bolton Arena complex is a multi-purpose sports and events facility in Bolton, England, incorporating major venues such as the Macron Stadium.
  • 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: Bolton Mail Centre
Triple: [BL postcode area, hasSortingOffice, Bolton Mail Centre]
Generated description
Bolton Mail Centre is a Royal Mail sorting facility in Bolton that processes and distributes postal items for the surrounding BL postcode area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Bolton Mail Centre
Target entity description: Bolton Mail Centre is a Royal Mail sorting facility in Bolton that processes and distributes postal items for the surrounding BL postcode area.
  • A. Bolton Town Hall
    Bolton Town Hall is a prominent 19th-century civic building and architectural landmark located in the center of Bolton, England.
  • B. Brighton Mail Centre
    Brighton Mail Centre is a major Royal Mail processing and distribution facility serving the BN postcode area in and around Brighton, England.
  • C. Oldham Mail Centre
    Oldham Mail Centre is a Royal Mail sorting and distribution facility serving the OL postcode area in and around Oldham, Greater Manchester.
  • D. Bolton Central Library
    Bolton Central Library is the main public library and information hub serving the town of Bolton in Greater Manchester, England.
  • E. Bolton Arena complex
    The Bolton Arena complex is a multi-purpose sports and events facility in Bolton, England, incorporating major venues such as the Macron Stadium.
  • 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_69ca82de7b8c81908d8106f8a53cff9b completed March 30, 2026, 2:04 p.m.
NER Named-entity recognition batch_69cb78c817708190ad1c364e12083d26 completed March 31, 2026, 7:33 a.m.
NED1 Entity disambiguation (via context triple) batch_69cd353888208190941d1c0b7b911cdd completed April 1, 2026, 3:09 p.m.
NEDg Description generation batch_69cd37a71af481909e82aa29ae558c4a completed April 1, 2026, 3:20 p.m.
NED2 Entity disambiguation (via description) batch_69cd4ef034ec8190a4229b21e6088c79 completed April 1, 2026, 4:59 p.m.
Created at: March 30, 2026, 5:48 p.m.