Triple

T19025337
Position Surface form Disambiguated ID Type / Status
Subject Portions of Oudh and Tirhut Railway E465594 entity
Predicate successorOperator P5677 FINISHED
Object North Eastern Railway
North Eastern Railway is a major zone of Indian Railways that manages rail operations across parts of northern and eastern India.
E1356102 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: North Eastern Railway | Statement: [Portions of Oudh and Tirhut Railway, successorOperator, North Eastern Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: North Eastern Railway
Context triple: [Portions of Oudh and Tirhut Railway, successorOperator, North Eastern Railway]
  • A. North Eastern Railway
    North Eastern Railway was a major pre-grouping British railway company in northern England, known for operating key routes in Yorkshire, County Durham, and Northumberland before being absorbed into the London and North Eastern Railway in 1923.
  • B. Great North Eastern Railway
    Great North Eastern Railway (GNER) was a former British train operating company that ran high-speed passenger services on the East Coast Main Line between London and Scotland from the mid-1990s until the late 2000s.
  • C. Great Eastern Railway
    Great Eastern Railway was a major pre-grouping British railway company that operated an extensive network across East Anglia and into London from the mid-19th to early 20th century.
  • D. Eastern and Midlands Railway
    Eastern and Midlands Railway was a 19th-century British railway company that developed and operated lines in eastern England before being absorbed into larger railway systems.
  • E. North Western Railway
    North Western Railway is one of the zones of Indian Railways, overseeing rail operations across parts of Rajasthan and neighboring regions in northwestern India.
  • 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: North Eastern Railway
Triple: [Portions of Oudh and Tirhut Railway, successorOperator, North Eastern Railway]
Generated description
North Eastern Railway is a major zone of Indian Railways that manages rail operations across parts of northern and eastern India.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: North Eastern Railway
Target entity description: North Eastern Railway is a major zone of Indian Railways that manages rail operations across parts of northern and eastern India.
  • A. North Eastern Railway
    North Eastern Railway was a major pre-grouping British railway company in northern England, known for operating key routes in Yorkshire, County Durham, and Northumberland before being absorbed into the London and North Eastern Railway in 1923.
  • B. Great North Eastern Railway
    Great North Eastern Railway (GNER) was a former British train operating company that ran high-speed passenger services on the East Coast Main Line between London and Scotland from the mid-1990s until the late 2000s.
  • C. Great Eastern Railway
    Great Eastern Railway was a major pre-grouping British railway company that operated an extensive network across East Anglia and into London from the mid-19th to early 20th century.
  • D. Eastern and Midlands Railway
    Eastern and Midlands Railway was a 19th-century British railway company that developed and operated lines in eastern England before being absorbed into larger railway systems.
  • E. North Western Railway
    North Western Railway is one of the zones of Indian Railways, overseeing rail operations across parts of Rajasthan and neighboring regions in northwestern India.
  • 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_69d8dd025c188190a1d81f5b4ec7e2c6 completed April 10, 2026, 11:20 a.m.
NER Named-entity recognition batch_69e5d6e271848190b67ad08af35b6796 completed April 20, 2026, 7:33 a.m.
NED1 Entity disambiguation (via context triple) batch_6a05c545b5f8819096301f25fc1d7a75 completed May 14, 2026, 12:51 p.m.
NEDg Description generation batch_6a05c7b340f0819089dbbd5a6b319f25 completed May 14, 2026, 1:01 p.m.
NED2 Entity disambiguation (via description) batch_6a05c812eba081909a0fcb9dbadbb428 completed May 14, 2026, 1:03 p.m.
Created at: April 10, 2026, 12:02 p.m.