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.