Triple

T13783388
Position Surface form Disambiguated ID Type / Status
Subject West Barnstable Train Station E331185 entity
Predicate heritageRailOperator P45263 FINISHED
Object Cape Cod Central Railroad
Cape Cod Central Railroad is a heritage and excursion railway on Cape Cod, Massachusetts, offering scenic and seasonal passenger train rides.
E1061708 NE FINISHED

How this triple was built (5 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: Cape Cod Central Railroad | Statement: [West Barnstable Train Station, heritageRailOperator, Cape Cod Central Railroad]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Cape Cod Central Railroad
Context triple: [West Barnstable Train Station, heritageRailOperator, Cape Cod Central 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. Mass Coastal Railroad
    Mass Coastal Railroad is a shortline freight railroad operating in southeastern Massachusetts, serving local industries and connecting them to the national rail network.
  • C. 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.
  • D. Boston, Revere Beach and Lynn Railroad
    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.
  • E. 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.
  • 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: Cape Cod Central Railroad
Triple: [West Barnstable Train Station, heritageRailOperator, Cape Cod Central Railroad]
Generated description
Cape Cod Central Railroad is a heritage and excursion railway on Cape Cod, Massachusetts, offering scenic and seasonal passenger train rides.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Cape Cod Central Railroad
Target entity description: Cape Cod Central Railroad is a heritage and excursion railway on Cape Cod, Massachusetts, offering scenic and seasonal passenger train rides.
  • 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. Mass Coastal Railroad
    Mass Coastal Railroad is a shortline freight railroad operating in southeastern Massachusetts, serving local industries and connecting them to the national rail network.
  • C. 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.
  • D. Boston, Revere Beach and Lynn Railroad
    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.
  • E. 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.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: heritageRailOperator
Context triple: [West Barnstable Train Station, heritageRailOperator, Cape Cod Central Railroad]
  • A. formerRailOperator
    Indicates that an entity previously operated a rail service or railway system but no longer does so.
  • B. heritageRailwayName
    Indicates the specific name assigned to a heritage railway associated with an entity.
  • C. laterRailwayCompany
    Indicates that one railway company is the successor or later incarnation of another railway company.
  • D. railwayOwner
    Indicates that one entity owns, controls, or holds proprietary rights over a railway or railway system used by another entity.
  • E. hasLocalRailOperator chosen
    Indicates that a specified rail operator is responsible for providing local or regional rail services within a particular area or network.
  • F. None of above.

Provenance (6 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_69d81c58feb08190a77bca8bf7d6d20f completed April 9, 2026, 9:38 p.m.
NER Named-entity recognition batch_69de0247ccc881908dad7b547221f15d completed April 14, 2026, 9 a.m.
NED1 Entity disambiguation (via context triple) batch_69f7b07b0b2881909b316e3cc67f1ec1 completed May 3, 2026, 8:30 p.m.
NEDg Description generation batch_69f7b138158c8190957d43d529c37fa4 completed May 3, 2026, 8:34 p.m.
NED2 Entity disambiguation (via description) batch_69f7b1e0ab948190a046a68aa5e029a6 completed May 3, 2026, 8:36 p.m.
PD Predicate disambiguation batch_69dbc85fb600819098a2aab48169be96 completed April 12, 2026, 4:29 p.m.
Created at: April 9, 2026, 10:11 p.m.