Triple

T10552169
Position Surface form Disambiguated ID Type / Status
Subject Brockville Railway Tunnel E248978 entity
Predicate originalOperator P179 FINISHED
Object Brockville and Ottawa Railway
The Brockville and Ottawa Railway was a 19th-century Canadian railway company that connected the St. Lawrence River at Brockville with the Ottawa Valley, supporting regional trade and transportation.
E870280 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: Brockville and Ottawa Railway | Statement: [Brockville Railway Tunnel, originalOperator, Brockville and Ottawa Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Brockville and Ottawa Railway
Context triple: [Brockville Railway Tunnel, originalOperator, Brockville and Ottawa Railway]
  • A. New York and Ottawa Railway
    The New York and Ottawa Railway was a historic cross-border rail line that connected New York State with Ottawa, Canada, facilitating regional passenger and freight transport in the late 19th and early 20th centuries.
  • B. Ontario Northland Railway
    Ontario Northland Railway is a regional rail operator in northeastern Ontario that provides freight and passenger services connecting remote communities with larger urban centers.
  • C. St. Lawrence and Atlantic Railroad
    The St. Lawrence and Atlantic Railroad is a regional rail line in the northeastern United States and Canada that provides freight transportation across parts of Maine, New Hampshire, Vermont, and Quebec.
  • D. Intercolonial Railway of Canada
    The Intercolonial Railway of Canada was a government-owned railway that linked the Maritime provinces with central Canada and played a key role in the country’s early national transportation network.
  • E. Quebec North Shore and Labrador Railway
    The Quebec North Shore and Labrador Railway is a Canadian heavy freight railway primarily used to transport iron ore from mines in northeastern Quebec and western Labrador to ports on the St. Lawrence River.
  • 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: Brockville and Ottawa Railway
Triple: [Brockville Railway Tunnel, originalOperator, Brockville and Ottawa Railway]
Generated description
The Brockville and Ottawa Railway was a 19th-century Canadian railway company that connected the St. Lawrence River at Brockville with the Ottawa Valley, supporting regional trade and transportation.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Brockville and Ottawa Railway
Target entity description: The Brockville and Ottawa Railway was a 19th-century Canadian railway company that connected the St. Lawrence River at Brockville with the Ottawa Valley, supporting regional trade and transportation.
  • A. New York and Ottawa Railway
    The New York and Ottawa Railway was a historic cross-border rail line that connected New York State with Ottawa, Canada, facilitating regional passenger and freight transport in the late 19th and early 20th centuries.
  • B. Ontario Northland Railway
    Ontario Northland Railway is a regional rail operator in northeastern Ontario that provides freight and passenger services connecting remote communities with larger urban centers.
  • C. St. Lawrence and Atlantic Railroad
    The St. Lawrence and Atlantic Railroad is a regional rail line in the northeastern United States and Canada that provides freight transportation across parts of Maine, New Hampshire, Vermont, and Quebec.
  • D. Intercolonial Railway of Canada
    The Intercolonial Railway of Canada was a government-owned railway that linked the Maritime provinces with central Canada and played a key role in the country’s early national transportation network.
  • E. Quebec North Shore and Labrador Railway
    The Quebec North Shore and Labrador Railway is a Canadian heavy freight railway primarily used to transport iron ore from mines in northeastern Quebec and western Labrador to ports on the St. Lawrence River.
  • 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_69d381c733c08190ab1dd6239f5f34ae completed April 6, 2026, 9:49 a.m.
NER Named-entity recognition batch_69d526d5820c8190a1ad6d6551d093bb completed April 7, 2026, 3:46 p.m.
NED1 Entity disambiguation (via context triple) batch_69d934639b3481908204db41101132c3 completed April 10, 2026, 5:33 p.m.
NEDg Description generation batch_69d938c8b25c8190bb048053d8668e5c completed April 10, 2026, 5:52 p.m.
NED2 Entity disambiguation (via description) batch_69d939b1844881908c8fbcb9488863f6 completed April 10, 2026, 5:56 p.m.
Created at: April 6, 2026, 12:34 p.m.