Triple

T16485759
Position Surface form Disambiguated ID Type / Status
Subject Gare Centrale E400434 entity
Predicate railwayLine P848 FINISHED
Object Montreal–Halifax line
The Montreal–Halifax line is a major intercity passenger rail route in Canada that connects Montreal, Quebec, with Halifax, Nova Scotia, across the provinces of Quebec, New Brunswick, and Nova Scotia.
E1218976 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: Montreal–Halifax line | Statement: [Gare Centrale, railwayLine, Montreal–Halifax line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Montreal–Halifax line
Context triple: [Gare Centrale, railwayLine, Montreal–Halifax line]
  • A. Montreal–Portland line
    The Montreal–Portland line was a major Grand Trunk Railway route that connected inland Canada with the ice-free Atlantic port of Portland, Maine, facilitating year-round transatlantic trade.
  • B. Quebec City–Montreal line
    The Quebec City–Montreal line is a major railway corridor in Quebec that connects the province’s capital with its largest city and has long served as a central artery for passenger and freight transport.
  • C. Albany–Montreal line
    The Albany–Montreal line is a historic north–south railway corridor in the northeastern United States and Canada that connects Albany, New York, with Montreal, Quebec, serving as a key passenger and freight route.
  • D. Waterloo to Exeter Line
    The Waterloo to Exeter Line is a major railway route in southern England connecting London with Exeter via towns in Surrey, Hampshire, and Dorset.
  • E. Quebec City–Windsor Corridor
    The Quebec City–Windsor Corridor is Canada’s most densely populated and heavily traveled urban and transportation corridor, stretching through major cities in Quebec and Ontario including Quebec City, Montreal, Ottawa, Toronto, and Windsor.
  • 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: Montreal–Halifax line
Triple: [Gare Centrale, railwayLine, Montreal–Halifax line]
Generated description
The Montreal–Halifax line is a major intercity passenger rail route in Canada that connects Montreal, Quebec, with Halifax, Nova Scotia, across the provinces of Quebec, New Brunswick, and Nova Scotia.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Montreal–Halifax line
Target entity description: The Montreal–Halifax line is a major intercity passenger rail route in Canada that connects Montreal, Quebec, with Halifax, Nova Scotia, across the provinces of Quebec, New Brunswick, and Nova Scotia.
  • A. Montreal–Portland line
    The Montreal–Portland line was a major Grand Trunk Railway route that connected inland Canada with the ice-free Atlantic port of Portland, Maine, facilitating year-round transatlantic trade.
  • B. Quebec City–Montreal line
    The Quebec City–Montreal line is a major railway corridor in Quebec that connects the province’s capital with its largest city and has long served as a central artery for passenger and freight transport.
  • C. Albany–Montreal line
    The Albany–Montreal line is a historic north–south railway corridor in the northeastern United States and Canada that connects Albany, New York, with Montreal, Quebec, serving as a key passenger and freight route.
  • D. Waterloo to Exeter Line
    The Waterloo to Exeter Line is a major railway route in southern England connecting London with Exeter via towns in Surrey, Hampshire, and Dorset.
  • E. Quebec City–Windsor Corridor
    The Quebec City–Windsor Corridor is Canada’s most densely populated and heavily traveled urban and transportation corridor, stretching through major cities in Quebec and Ontario including Quebec City, Montreal, Ottawa, Toronto, and Windsor.
  • 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_69d883813098819084f5409539723b59 completed April 10, 2026, 4:58 a.m.
NER Named-entity recognition batch_69e32e068fac8190a0971f548848fcfe completed April 18, 2026, 7:08 a.m.
NED1 Entity disambiguation (via context triple) batch_6a00607aafa48190929250a879c602ca completed May 10, 2026, 10:39 a.m.
NEDg Description generation batch_6a00647bbff88190a91aeafe82762017 completed May 10, 2026, 10:56 a.m.
NED2 Entity disambiguation (via description) batch_6a0064cfef788190bde80077205dfa6d completed May 10, 2026, 10:58 a.m.
Created at: April 10, 2026, 5:13 a.m.