Triple

T4714707
Position Surface form Disambiguated ID Type / Status
Subject Pepperell, Massachusetts E104604 entity
Predicate hasHistoricSite P1098 FINISHED
Object Pepperell Covered Bridge
Pepperell Covered Bridge is a historic wooden covered bridge in Pepperell, Massachusetts, known for its traditional New England design and local heritage significance.
 E466498 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: Pepperell Covered Bridge | Statement: [Pepperell, Massachusetts, hasHistoricSite, Pepperell Covered Bridge]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Pepperell Covered Bridge
Context triple: [Pepperell, Massachusetts, hasHistoricSite, Pepperell Covered Bridge]
  • A. Henniker Covered Bridge
    Henniker Covered Bridge is a historic wooden covered bridge in Henniker, New Hampshire, known for spanning the Contoocook River with traditional New England charm.
  • B. Newfield Covered Bridge
    Newfield Covered Bridge is a historic 19th-century wooden covered bridge in Newfield, New York, noted as one of the oldest surviving covered bridges in the state.
  • C. Swann Covered Bridge
    Swann Covered Bridge is a historic wooden covered bridge in Blount County, Alabama, noted as one of the longest and best-preserved examples of its kind in the state.
  • D. Horton Mill Covered Bridge
    Horton Mill Covered Bridge is a historic wooden covered bridge in Blount County, Alabama, noted for its considerable height above the water and status as one of the tallest covered bridges in the United States.
  • E. Pisgah Covered Bridge
    Pisgah Covered Bridge is a historic wooden covered bridge and popular scenic landmark located in rural Randolph County, North Carolina.
  • 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: Pepperell Covered Bridge
Triple: [Pepperell, Massachusetts, hasHistoricSite, Pepperell Covered Bridge]
Generated description
Pepperell Covered Bridge is a historic wooden covered bridge in Pepperell, Massachusetts, known for its traditional New England design and local heritage significance.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Pepperell Covered Bridge
Target entity description: Pepperell Covered Bridge is a historic wooden covered bridge in Pepperell, Massachusetts, known for its traditional New England design and local heritage significance.
  • A. Henniker Covered Bridge
    Henniker Covered Bridge is a historic wooden covered bridge in Henniker, New Hampshire, known for spanning the Contoocook River with traditional New England charm.
  • B. Newfield Covered Bridge
    Newfield Covered Bridge is a historic 19th-century wooden covered bridge in Newfield, New York, noted as one of the oldest surviving covered bridges in the state.
  • C. Swann Covered Bridge
    Swann Covered Bridge is a historic wooden covered bridge in Blount County, Alabama, noted as one of the longest and best-preserved examples of its kind in the state.
  • D. Horton Mill Covered Bridge
    Horton Mill Covered Bridge is a historic wooden covered bridge in Blount County, Alabama, noted for its considerable height above the water and status as one of the tallest covered bridges in the United States.
  • E. Pisgah Covered Bridge
    Pisgah Covered Bridge is a historic wooden covered bridge and popular scenic landmark located in rural Randolph County, North Carolina.
  • 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_69bd43ec4a348190bc41afae43375e71 completed March 20, 2026, 12:56 p.m.
NER Named-entity recognition batch_69bd6408dc5c8190a8d6b1c1a3eba2df completed March 20, 2026, 3:13 p.m.
NED1 Entity disambiguation (via context triple) batch_69be39ef1bec8190a741a918dd3c3f5a completed March 21, 2026, 6:25 a.m.
NEDg Description generation batch_69be3adc766c8190ae5cbe5be14b720a completed March 21, 2026, 6:29 a.m.
NED2 Entity disambiguation (via description) batch_69be3b645aac8190a6765f0679dd3735 completed March 21, 2026, 6:32 a.m.
Created at: March 20, 2026, 1:18 p.m.