Triple

T11401094
Position Surface form Disambiguated ID Type / Status
Subject C&O Canal E270109 entity
Predicate builtBy P972 FINISHED
Object Chesapeake and Ohio Canal Company
The Chesapeake and Ohio Canal Company was the 19th-century corporation responsible for financing, constructing, and operating the Chesapeake and Ohio Canal along the Potomac River to facilitate transportation and commerce.
E923742 NE FINISHED

How this triple was built (4 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: Chesapeake and Ohio Canal Company | Statement: [C&O Canal, builtBy, Chesapeake and Ohio Canal Company]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Chesapeake and Ohio Canal Company
Context triple: [C&O Canal, builtBy, Chesapeake and Ohio Canal Company]
  • A. Boston, Cape Cod and New York Canal Company
    The Boston, Cape Cod and New York Canal Company was the private corporation that developed and operated the original Cape Cod Canal in Massachusetts in the early 20th century.
  • B. Turner’s Falls Canal Company
    Turner’s Falls Canal Company was a 19th-century enterprise that developed and operated the canal and related waterpower infrastructure that spurred industrial growth in Turners Falls, Massachusetts.
  • C. Potowmack Company
    The Potowmack Company was an 18th-century enterprise, championed by George Washington, that sought to improve navigation on the Potomac River to link the Atlantic seaboard with the western frontier.
  • D. Lehigh Coal and Navigation Company
    Lehigh Coal and Navigation Company was a pioneering 19th-century American mining and transportation firm that developed coal operations and canal-rail systems in Pennsylvania’s Lehigh Valley.
  • E. Chesapeake & Delaware Canal
    The Chesapeake & Delaware Canal is a man-made waterway in the Mid-Atlantic United States that connects the Delaware River with the Chesapeake Bay, serving as a key shipping and transportation route.
  • 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: Chesapeake and Ohio Canal Company
Triple: [C&O Canal, builtBy, Chesapeake and Ohio Canal Company]
Generated description
The Chesapeake and Ohio Canal Company was the 19th-century corporation responsible for financing, constructing, and operating the Chesapeake and Ohio Canal along the Potomac River to facilitate transportation and commerce.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Chesapeake and Ohio Canal Company
Target entity description: The Chesapeake and Ohio Canal Company was the 19th-century corporation responsible for financing, constructing, and operating the Chesapeake and Ohio Canal along the Potomac River to facilitate transportation and commerce.
  • A. Boston, Cape Cod and New York Canal Company
    The Boston, Cape Cod and New York Canal Company was the private corporation that developed and operated the original Cape Cod Canal in Massachusetts in the early 20th century.
  • B. Turner’s Falls Canal Company
    Turner’s Falls Canal Company was a 19th-century enterprise that developed and operated the canal and related waterpower infrastructure that spurred industrial growth in Turners Falls, Massachusetts.
  • C. Potowmack Company
    The Potowmack Company was an 18th-century enterprise, championed by George Washington, that sought to improve navigation on the Potomac River to link the Atlantic seaboard with the western frontier.
  • D. Lehigh Coal and Navigation Company
    Lehigh Coal and Navigation Company was a pioneering 19th-century American mining and transportation firm that developed coal operations and canal-rail systems in Pennsylvania’s Lehigh Valley.
  • E. Chesapeake & Delaware Canal
    The Chesapeake & Delaware Canal is a man-made waterway in the Mid-Atlantic United States that connects the Delaware River with the Chesapeake Bay, serving as a key shipping and transportation route.
  • F. None of above. chosen

Provenance (5 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_69d6aacdbc6c8190af6dc3d5f5d22836 completed April 8, 2026, 7:21 p.m.
NER Named-entity recognition batch_69d80148e2048190a716b515d78efdd1 completed April 9, 2026, 7:43 p.m.
NED1 Entity disambiguation (via context triple) batch_69e58cf75ec08190a571e5178bcde274 completed April 20, 2026, 2:18 a.m.
NEDg Description generation batch_69e59777b1208190a33a50da286535ee completed April 20, 2026, 3:03 a.m.
NED2 Entity disambiguation (via description) batch_69e5a3cf9d388190944340af484b3a54 completed April 20, 2026, 3:55 a.m.
Created at: April 8, 2026, 9:34 p.m.