Triple

T15567650
Position Surface form Disambiguated ID Type / Status
Subject Mealhada E374156 entity
Predicate hasTransport P1298 FINISHED
Object Linha do Norte railway
Linha do Norte railway is Portugal’s principal mainline rail corridor, connecting Lisbon to Porto and serving as the country’s busiest and most important railway route.
E1165505 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: Linha do Norte railway | Statement: [Mealhada, hasTransport, Linha do Norte railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Linha do Norte railway
Context triple: [Mealhada, hasTransport, Linha do Norte railway]
  • A. North–South Railway
    The North–South Railway is Vietnam’s principal rail line, running the length of the country and connecting major cities from Hanoi to Ho Chi Minh City.
  • B. Borders Railway
    Borders Railway is a Scottish rail line that reconnects Edinburgh with the Scottish Borders and Midlothian, serving as one of the longest new domestic railway lines built in the UK in recent decades.
  • C. Ōu Main Line
    The Ōu Main Line is a major Japanese railway line in the Tōhoku region that runs north–south through several prefectures, connecting key inland cities and serving as an important intercity and regional transport route.
  • D. Great Eastern Main Line
    The Great Eastern Main Line is a major railway route in England connecting London with key towns and cities in Essex, Suffolk, and Norfolk.
  • E. Chemin de fer du Nord
    Chemin de fer du Nord was a major 19th–20th century French railway company that operated the rail network serving northern France and connecting Paris with Belgium and the United Kingdom via Channel ports.
  • 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: Linha do Norte railway
Triple: [Mealhada, hasTransport, Linha do Norte railway]
Generated description
Linha do Norte railway is Portugal’s principal mainline rail corridor, connecting Lisbon to Porto and serving as the country’s busiest and most important railway route.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Linha do Norte railway
Target entity description: Linha do Norte railway is Portugal’s principal mainline rail corridor, connecting Lisbon to Porto and serving as the country’s busiest and most important railway route.
  • A. North–South Railway
    The North–South Railway is Vietnam’s principal rail line, running the length of the country and connecting major cities from Hanoi to Ho Chi Minh City.
  • B. Borders Railway
    Borders Railway is a Scottish rail line that reconnects Edinburgh with the Scottish Borders and Midlothian, serving as one of the longest new domestic railway lines built in the UK in recent decades.
  • C. Ōu Main Line
    The Ōu Main Line is a major Japanese railway line in the Tōhoku region that runs north–south through several prefectures, connecting key inland cities and serving as an important intercity and regional transport route.
  • D. Great Eastern Main Line
    The Great Eastern Main Line is a major railway route in England connecting London with key towns and cities in Essex, Suffolk, and Norfolk.
  • E. Chemin de fer du Nord
    Chemin de fer du Nord was a major 19th–20th century French railway company that operated the rail network serving northern France and connecting Paris with Belgium and the United Kingdom via Channel ports.
  • 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_69d85ccd575081908909b71a3f3e3a61 completed April 10, 2026, 2:13 a.m.
NER Named-entity recognition batch_69e04dde90b081908284d9258d4462e3 completed April 16, 2026, 2:47 a.m.
NED1 Entity disambiguation (via context triple) batch_69ff4c4219a081909acca9f783ecd44b completed May 9, 2026, 3:01 p.m.
NEDg Description generation batch_69ff50d54960819089491ccb580784b8 completed May 9, 2026, 3:20 p.m.
NED2 Entity disambiguation (via description) batch_69ff5208e9a08190b4a6f4157cf3c237 completed May 9, 2026, 3:26 p.m.
Created at: April 10, 2026, 4:10 a.m.