Triple

T22107028
Position Surface form Disambiguated ID Type / Status
Subject Norwottuck Rail Trail E546311 entity
Predicate railroadPredecessor P14629 FINISHED
Object Central Massachusetts Railroad NE NERFINISHED

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: Central Massachusetts Railroad | Statement: [Norwottuck Rail Trail, railroadPredecessor, Central Massachusetts Railroad]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Central Massachusetts Railroad
Context triple: [Norwottuck Rail Trail, railroadPredecessor, Central Massachusetts Railroad]
  • A. Massachusetts Central Railroad
    The Massachusetts Central Railroad is a regional rail line in Massachusetts that historically provided freight and passenger service across the central part of the state.
  • B. Boston and Worcester Railroad
    The Boston and Worcester Railroad was one of the early 19th-century rail lines in Massachusetts that connected Boston with the inland city of Worcester, helping spur regional industrial and suburban development.
  • C. New England Central Railroad
    New England Central Railroad is a regional freight railroad operating primarily in New England, providing vital rail connections between local industries and the broader North American rail network.
  • 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. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Central Massachusetts Railroad
Target entity description: The Central Massachusetts Railroad was a historic rail line in Massachusetts that once connected Boston to the western part of the state and later served as the corridor for several modern rail trails.
  • A. Massachusetts Central Railroad chosen
    The Massachusetts Central Railroad is a regional rail line in Massachusetts that historically provided freight and passenger service across the central part of the state.
  • B. Boston and Worcester Railroad
    The Boston and Worcester Railroad was one of the early 19th-century rail lines in Massachusetts that connected Boston with the inland city of Worcester, helping spur regional industrial and suburban development.
  • C. New England Central Railroad
    New England Central Railroad is a regional freight railroad operating primarily in New England, providing vital rail connections between local industries and the broader North American rail network.
  • 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.

Provenance (2 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_69e11e378dc08190896d6a51597afd5a completed April 16, 2026, 5:36 p.m.
NER Named-entity recognition batch_69f12919dd388190b8ca08e2464cb0b8 completed April 28, 2026, 9:39 p.m.
Created at: April 16, 2026, 8:30 p.m.