Triple

T4588153
Position Surface form Disambiguated ID Type / Status
Subject Portsmouth Harbour railway station E103418 entity
Predicate originalCompany P5599 FINISHED
Object Portsmouth Harbour Railway and Dock Company
The Portsmouth Harbour Railway and Dock Company was a 19th-century British railway enterprise responsible for developing rail access and dock facilities at Portsmouth Harbour.
E455421 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: Portsmouth Harbour Railway and Dock Company | Statement: [Portsmouth Harbour railway station, originalCompany, Portsmouth Harbour Railway and Dock Company]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Portsmouth Harbour Railway and Dock Company
Context triple: [Portsmouth Harbour railway station, originalCompany, Portsmouth Harbour Railway and Dock Company]
  • A. Fishguard & Rosslare Railways & Harbours Company
    The Fishguard & Rosslare Railways & Harbours Company was a joint British–Irish transport undertaking that developed and operated rail and port facilities linking southwest Wales and southeast Ireland.
  • B. Dorman Long and Co Ltd
    Dorman Long and Co Ltd was a prominent British engineering and steel company best known for designing and building major steel bridges and structures worldwide, including the Sydney Harbour Bridge.
  • C. Thames Ironworks and Shipbuilding Company
    Thames Ironworks and Shipbuilding Company was a prominent 19th-century British shipbuilding and engineering firm based on the River Thames, known for constructing major Royal Navy warships and pioneering iron-hulled vessels.
  • D. London Chatham and Dover Railway
    The London Chatham and Dover Railway was a 19th-century British railway company that operated routes in southeast England, including key lines into London.
  • E. Palmers Shipbuilding and Iron Company
    Palmers Shipbuilding and Iron Company was a prominent British shipbuilding and engineering firm on the River Tyne, known for constructing major naval and merchant vessels during the 19th and early 20th centuries.
  • 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: Portsmouth Harbour Railway and Dock Company
Triple: [Portsmouth Harbour railway station, originalCompany, Portsmouth Harbour Railway and Dock Company]
Generated description
The Portsmouth Harbour Railway and Dock Company was a 19th-century British railway enterprise responsible for developing rail access and dock facilities at Portsmouth Harbour.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Portsmouth Harbour Railway and Dock Company
Target entity description: The Portsmouth Harbour Railway and Dock Company was a 19th-century British railway enterprise responsible for developing rail access and dock facilities at Portsmouth Harbour.
  • A. Fishguard & Rosslare Railways & Harbours Company
    The Fishguard & Rosslare Railways & Harbours Company was a joint British–Irish transport undertaking that developed and operated rail and port facilities linking southwest Wales and southeast Ireland.
  • B. Dorman Long and Co Ltd
    Dorman Long and Co Ltd was a prominent British engineering and steel company best known for designing and building major steel bridges and structures worldwide, including the Sydney Harbour Bridge.
  • C. Thames Ironworks and Shipbuilding Company
    Thames Ironworks and Shipbuilding Company was a prominent 19th-century British shipbuilding and engineering firm based on the River Thames, known for constructing major Royal Navy warships and pioneering iron-hulled vessels.
  • D. London Chatham and Dover Railway
    The London Chatham and Dover Railway was a 19th-century British railway company that operated routes in southeast England, including key lines into London.
  • E. Palmers Shipbuilding and Iron Company
    Palmers Shipbuilding and Iron Company was a prominent British shipbuilding and engineering firm on the River Tyne, known for constructing major naval and merchant vessels during the 19th and early 20th centuries.
  • 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_69bd43dccaf08190aa89e9991a289719 completed March 20, 2026, 12:55 p.m.
NER Named-entity recognition batch_69bd592115fc8190b1aee1d8bbaf1ee3 completed March 20, 2026, 2:26 p.m.
NED1 Entity disambiguation (via context triple) batch_69bde0b9f700819082b0e5171132d0f3 completed March 21, 2026, 12:05 a.m.
NEDg Description generation batch_69bde31735a481909d005e6c44e2f114 completed March 21, 2026, 12:15 a.m.
NED2 Entity disambiguation (via description) batch_69bde6d185088190b94580f53038d883 completed March 21, 2026, 12:31 a.m.
Created at: March 20, 2026, 1:11 p.m.