Triple

T6321600
Position Surface form Disambiguated ID Type / Status
Subject Suffolk Downs E141751 entity
Predicate formerService P1294 FINISHED
Object Boston, Revere Beach and Lynn Railroad E507644 NE FINISHED

How this triple was built (2 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, Revere Beach and Lynn Railroad | Statement: [Suffolk Downs, formerService, Boston, Revere Beach and Lynn Railroad]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Boston, Revere Beach and Lynn Railroad
Context triple: [Suffolk Downs, formerService, Boston, Revere Beach and Lynn Railroad]
  • A. Boston, Revere Beach and Lynn Railroad chosen
    The Boston, Revere Beach and Lynn Railroad was a narrow-gauge commuter railroad that operated along the Massachusetts North Shore, providing passenger service between East Boston, Revere, and Lynn in the late 19th and early 20th centuries.
  • B. 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.
  • C. 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.
  • D. Old Colony Railroad
    Old Colony Railroad was a prominent 19th-century New England railroad company that operated extensive passenger and freight services primarily in southeastern Massachusetts and Rhode Island.
  • E. 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.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69c008d13b8c8190be47d896eb735605 completed March 22, 2026, 3:20 p.m.
NER Named-entity recognition batch_69c064c76dfc8190a1d44fd0c4402a0e completed March 22, 2026, 9:53 p.m.
NED1 Entity disambiguation (via context triple) batch_69c5e48a8c5c819099f21fdff1ce43f3 completed March 27, 2026, 1:59 a.m.
Created at: March 22, 2026, 4:29 p.m.