Triple

T235352
Position Surface form Disambiguated ID Type / Status
Subject Cambridge railway station E4497 entity
Predicate openedBy P421 FINISHED
Object Eastern Counties Railway
Eastern Counties Railway was a 19th-century British railway company that developed key lines in eastern England, including routes serving Cambridge and London.
E30131 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: Eastern Counties Railway | Statement: [Cambridge railway station, openedBy, Eastern Counties Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Eastern Counties Railway
Context triple: [Cambridge railway station, openedBy, Eastern Counties Railway]
  • A. Great Northern Railway
    Great Northern Railway was a major American transcontinental railroad that operated in the northern United States, connecting the Great Lakes to the Pacific Northwest.
  • B. Haverhill Line
    The Haverhill Line is a Massachusetts Bay Transportation Authority commuter rail route running between Boston and the city of Haverhill, serving communities in the Merrimack Valley.
  • C. East Midlands Railway
    East Midlands Railway is a British train operating company providing regional and intercity passenger rail services across the East Midlands and surrounding areas.
  • D. Great Western Railway
    Great Western Railway is a major British train operating company providing intercity and regional rail services across western and southern England and South Wales.
  • E. Eccles Line
    The Eccles Line is a light rail route on Greater Manchester's Metrolink network that connects Manchester city centre with the suburb of Eccles via Salford Quays and MediaCityUK.
  • 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: Eastern Counties Railway
Triple: [Cambridge railway station, openedBy, Eastern Counties Railway]
Generated description
Eastern Counties Railway was a 19th-century British railway company that developed key lines in eastern England, including routes serving Cambridge and London.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Eastern Counties Railway
Target entity description: Eastern Counties Railway was a 19th-century British railway company that developed key lines in eastern England, including routes serving Cambridge and London.
  • A. Great Northern Railway
    Great Northern Railway was a major American transcontinental railroad that operated in the northern United States, connecting the Great Lakes to the Pacific Northwest.
  • B. Haverhill Line
    The Haverhill Line is a Massachusetts Bay Transportation Authority commuter rail route running between Boston and the city of Haverhill, serving communities in the Merrimack Valley.
  • C. East Midlands Railway
    East Midlands Railway is a British train operating company providing regional and intercity passenger rail services across the East Midlands and surrounding areas.
  • D. Great Western Railway
    Great Western Railway is a major British train operating company providing intercity and regional rail services across western and southern England and South Wales.
  • E. Eccles Line
    The Eccles Line is a light rail route on Greater Manchester's Metrolink network that connects Manchester city centre with the suburb of Eccles via Salford Quays and MediaCityUK.
  • 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_69a257363ffc81909757bde7ab3404da completed Feb. 28, 2026, 2:47 a.m.
NER Named-entity recognition batch_69a25cc9ab2c81909af278a07f86aa1e completed Feb. 28, 2026, 3:11 a.m.
NED1 Entity disambiguation (via context triple) batch_69a36478ebcc8190b95419be9bc6bba3 completed Feb. 28, 2026, 9:56 p.m.
NEDg Description generation batch_69a3651d2b108190a81d8c3076f6e617 completed Feb. 28, 2026, 9:58 p.m.
NED2 Entity disambiguation (via description) batch_69a3657903608190988a4c933bbc262c completed Feb. 28, 2026, 10 p.m.
Created at: Feb. 28, 2026, 2:53 a.m.