Triple

T5322438
Position Surface form Disambiguated ID Type / Status
Subject Algoma District E121704 entity
Predicate hasRailService P782 FINISHED
Object Algoma Central Railway
Algoma Central Railway is a Canadian regional railway in Northern Ontario known for its freight operations and scenic passenger services through the wilderness north of Sault Ste. Marie.
E516234 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: Algoma Central Railway | Statement: [Algoma District, hasRailService, Algoma Central Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Algoma Central Railway
Context triple: [Algoma District, hasRailService, Algoma Central Railway]
  • A. 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.
  • B. Toronto Terminals Railway
    Toronto Terminals Railway is a railway company responsible for managing and operating Toronto’s Union Station rail corridor and related terminal infrastructure.
  • 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. 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.
  • 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: Algoma Central Railway
Triple: [Algoma District, hasRailService, Algoma Central Railway]
Generated description
Algoma Central Railway is a Canadian regional railway in Northern Ontario known for its freight operations and scenic passenger services through the wilderness north of Sault Ste. Marie.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Algoma Central Railway
Target entity description: Algoma Central Railway is a Canadian regional railway in Northern Ontario known for its freight operations and scenic passenger services through the wilderness north of Sault Ste. Marie.
  • A. 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.
  • B. Toronto Terminals Railway
    Toronto Terminals Railway is a railway company responsible for managing and operating Toronto’s Union Station rail corridor and related terminal infrastructure.
  • 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. 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.
  • 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_69bd463d956c819088105c3db802c017 completed March 20, 2026, 1:06 p.m.
NER Named-entity recognition batch_69bd8577ba3881909a28cbf744648256 completed March 20, 2026, 5:35 p.m.
NED1 Entity disambiguation (via context triple) batch_69bf290bb4148190b6f98fcd36d03c02 completed March 21, 2026, 11:26 p.m.
NEDg Description generation batch_69bf2a23ba1881909ddc549728bbc2d3 completed March 21, 2026, 11:30 p.m.
NED2 Entity disambiguation (via description) batch_69bf2e6d5f9081908327dff0058241f0 completed March 21, 2026, 11:49 p.m.
Created at: March 20, 2026, 1:59 p.m.