Triple

T15986501
Position Surface form Disambiguated ID Type / Status
Subject Gales Ferry, Connecticut E387707 entity
Predicate hasHistoricSite P1098 FINISHED
Object Harvard Boathouse at Gales Ferry
The Harvard Boathouse at Gales Ferry is a historic rowing facility on the Thames River in Connecticut long used by Harvard University’s crew team, especially for training before the Harvard–Yale Regatta.
 E1187885 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: Harvard Boathouse at Gales Ferry | Statement: [Gales Ferry, Connecticut, hasHistoricSite, Harvard Boathouse at Gales Ferry]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Harvard Boathouse at Gales Ferry
Context triple: [Gales Ferry, Connecticut, hasHistoricSite, Harvard Boathouse at Gales Ferry]
  • A. Boston University DeWolfe Boathouse
    The Boston University DeWolfe Boathouse is a rowing facility on the Charles River used by Boston University’s crew teams for training, racing, and boat storage.
  • B. Gilder Boathouse
    Gilder Boathouse is Yale University's state-of-the-art rowing facility on the Housatonic River, serving as the home base for the Yale Bulldogs rowing programs.
  • C. Loeb Boathouse
    Loeb Boathouse is a lakeside restaurant and boat-rental facility in New York City's Central Park, known for its scenic views and iconic rowboats.
  • D. Newell Boathouse
    Newell Boathouse is Harvard University's historic rowing facility on the Charles River that serves as the primary home for the Harvard Crimson men's crew program.
  • E. DeWolfe Boathouse
    DeWolfe Boathouse is Boston University's rowing facility on the Charles River, serving as the home base for the university's crew teams.
  • 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: Harvard Boathouse at Gales Ferry
Triple: [Gales Ferry, Connecticut, hasHistoricSite, Harvard Boathouse at Gales Ferry]
Generated description
The Harvard Boathouse at Gales Ferry is a historic rowing facility on the Thames River in Connecticut long used by Harvard University’s crew team, especially for training before the Harvard–Yale Regatta.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Harvard Boathouse at Gales Ferry
Target entity description: The Harvard Boathouse at Gales Ferry is a historic rowing facility on the Thames River in Connecticut long used by Harvard University’s crew team, especially for training before the Harvard–Yale Regatta.
  • A. Boston University DeWolfe Boathouse
    The Boston University DeWolfe Boathouse is a rowing facility on the Charles River used by Boston University’s crew teams for training, racing, and boat storage.
  • B. Gilder Boathouse
    Gilder Boathouse is Yale University's state-of-the-art rowing facility on the Housatonic River, serving as the home base for the Yale Bulldogs rowing programs.
  • C. Loeb Boathouse
    Loeb Boathouse is a lakeside restaurant and boat-rental facility in New York City's Central Park, known for its scenic views and iconic rowboats.
  • D. Newell Boathouse
    Newell Boathouse is Harvard University's historic rowing facility on the Charles River that serves as the primary home for the Harvard Crimson men's crew program.
  • E. DeWolfe Boathouse
    DeWolfe Boathouse is Boston University's rowing facility on the Charles River, serving as the home base for the university's crew teams.
  • 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_69d86daa562c81908aacc179c0fe8fb5 completed April 10, 2026, 3:25 a.m.
NER Named-entity recognition batch_69e157589d78819091f7b9b1081dd6ad completed April 16, 2026, 9:40 p.m.
NED1 Entity disambiguation (via context triple) batch_69ffc3cfc8d08190a02abc90c889c8e1 completed May 9, 2026, 11:31 p.m.
NEDg Description generation batch_69ffc4ed71648190983a0a4150c4d8c4 completed May 9, 2026, 11:36 p.m.
NED2 Entity disambiguation (via description) batch_69ffc5a5b46881908589fd1dabef5378 completed May 9, 2026, 11:39 p.m.
Created at: April 10, 2026, 4:54 a.m.