Triple

T7500705
Position Surface form Disambiguated ID Type / Status
Subject MBTA Commuter Rail (Old Colony Lines at JFK/UMass) E177251 entity
Predicate historicalCorridor P29483 FINISHED
Object Old Colony Railroad E286238 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: Old Colony Railroad | Statement: [MBTA Commuter Rail (Old Colony Lines at JFK/UMass), historicalCorridor, Old Colony Railroad]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Old Colony Railroad
Context triple: [MBTA Commuter Rail (Old Colony Lines at JFK/UMass), historicalCorridor, Old Colony Railroad]
  • A. Old Colony Railroad chosen
    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.
  • B. Boston and Maine Railroad
    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.
  • 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 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.
  • E. Providence and Worcester Railroad
    Providence and Worcester Railroad is a regional freight railroad operating in southern New England, primarily serving industrial and commercial customers in Rhode Island, Massachusetts, Connecticut, and New York.
  • 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: historicalCorridor
Context triple: [MBTA Commuter Rail (Old Colony Lines at JFK/UMass), historicalCorridor, Old Colony Railroad]
  • A. historicRoute chosen
    Indicates that a route has historical significance, typically due to its age, past usage, or role in notable events.
  • B. historicalExploration
    Indicates that an entity has engaged in or is associated with the act of exploring or investigating something in the past.
  • C. capitalHistoric
    Indicates that a location has served as a capital city at some point in history, even if it is not the current capital.
  • D. historicalStructure
    Indicates that the subject is a structure recognized for its historical significance or heritage value.
  • E. historicalPass
    Indicates that an entity has successfully completed or passed a historical event, period, or examination related to history.
  • 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_69c69f2696688190915a8458f2398211 completed March 27, 2026, 3:15 p.m.
NER Named-entity recognition batch_69c6f81b431481908214b69c6c8d83bc completed March 27, 2026, 9:35 p.m.
NED1 Entity disambiguation (via context triple) batch_69c83c9490fc81908d35c0537b45aa13 completed March 28, 2026, 8:39 p.m.
PD Predicate disambiguation batch_69c6f4d266d88190982cf5d2ee2e9564 completed March 27, 2026, 9:21 p.m.
Created at: March 27, 2026, 3:44 p.m.