Triple

T846364
Position Surface form Disambiguated ID Type / Status
Subject Fitchburg Railroad E18283 entity
Predicate partOfRailNetwork P8428 FINISHED
Object Boston and Maine Railroad system E11243 NE FINISHED

How this triple was built (3 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: Boston and Maine Railroad system | Statement: [Fitchburg Railroad, partOfRailNetwork, Boston and Maine Railroad system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Boston and Maine Railroad system
Context triple: [Fitchburg Railroad, partOfRailNetwork, Boston and Maine Railroad system]
  • A. Boston and Maine Railroad chosen
    The Boston and Maine Railroad was a major New England railroad that operated extensive passenger and freight services across Massachusetts, New Hampshire, Maine, and surrounding states from the 19th through the mid-20th century.
  • B. Maine Central Railroad
    Maine Central Railroad was a major New England railroad that operated extensive freight and passenger services across Maine and neighboring states from the 19th through the 20th century.
  • C. Fitchburg Railroad
    The Fitchburg Railroad was a historic New England rail line that operated across Massachusetts and into Vermont, later becoming part of the Boston and Maine Railroad system.
  • D. Boston and Lowell Railroad
    The Boston and Lowell Railroad was a 19th-century New England railway company that operated a key line between Boston and Lowell, Massachusetts, and later became part of larger regional rail systems.
  • E. Eastern Railroad (of Massachusetts)
    Eastern Railroad (of Massachusetts) was a 19th-century New England railroad company that operated routes north of Boston and later became part of the Boston and Maine Railroad system.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: partOfRailNetwork
Context triple: [Fitchburg Railroad, partOfRailNetwork, Boston and Maine Railroad system]
  • A. partOfTransitSystem chosen
    Indicates that something is a component or segment within a larger transit or transportation system.
  • B. usesRailInfrastructureOf
    Indicates that one entity operates on, accesses, or otherwise makes use of the rail infrastructure owned or managed by another entity.
  • C. railwayLine
    Indicates that there is a railway line connection or route associated with or passing through the referenced entity.
  • D. railNetworkRole
    Indicates the specific function or responsibility an entity has within a rail network system.
  • E. railNetworkSide
    Indicates on which side of a rail network (e.g., left or right relative to a reference direction) an entity is located or associated.
  • F. None of above.

Provenance (4 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_69a4938b04208190b82e1df6b572c548 completed March 1, 2026, 7:29 p.m.
NER Named-entity recognition batch_69a4ac0a91e48190b4349ae8bb67fd90 completed March 1, 2026, 9:13 p.m.
NED1 Entity disambiguation (via context triple) batch_69a7cf53ee748190b5a08bd7a6d0614c completed March 4, 2026, 6:21 a.m.
PD Predicate disambiguation batch_69a4aa7f396c8190aa8b8dfbe0b4f732 completed March 1, 2026, 9:07 p.m.
Created at: March 1, 2026, 7:38 p.m.