Triple

T15805640
Position Surface form Disambiguated ID Type / Status
Subject Newtown Square, Pennsylvania E383208 entity
Predicate contains P35 FINISHED
Object Bartram’s Covered Bridge
Bartram’s Covered Bridge is a historic 19th-century wooden covered bridge in Pennsylvania, noted for its distinctive Burr arch truss design and status as one of the state’s oldest surviving covered bridges.
 E1179170 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: Bartram’s Covered Bridge | Statement: [Newtown Square, Pennsylvania, contains, Bartram’s Covered Bridge]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Bartram’s Covered Bridge
Context triple: [Newtown Square, Pennsylvania, contains, Bartram’s Covered Bridge]
  • A. Felton Covered Bridge
    Felton Covered Bridge is a historic wooden covered bridge in Felton, California, noted as one of the tallest covered bridges in the United States and a landmark of the town’s 19th-century logging era.
  • B. Cedar Covered Bridge
    Cedar Covered Bridge is a historic wooden covered bridge in Madison County, Iowa, famed as one of the iconic “Bridges of Madison County” featured in literature and film.
  • C. Currin Covered Bridge
    Currin Covered Bridge is a historic wooden covered bridge near Cottage Grove, Oregon, noted for its distinctive red-and-white paint and classic Howe truss design.
  • D. 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.
  • E. Imes Covered Bridge
    Imes Covered Bridge is a historic wooden covered bridge in Madison County, Iowa, known as one of the county’s iconic 19th-century bridges featured in “The Bridges of Madison County.”
  • 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: Bartram’s Covered Bridge
Triple: [Newtown Square, Pennsylvania, contains, Bartram’s Covered Bridge]
Generated description
Bartram’s Covered Bridge is a historic 19th-century wooden covered bridge in Pennsylvania, noted for its distinctive Burr arch truss design and status as one of the state’s oldest surviving covered bridges.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Bartram’s Covered Bridge
Target entity description: Bartram’s Covered Bridge is a historic 19th-century wooden covered bridge in Pennsylvania, noted for its distinctive Burr arch truss design and status as one of the state’s oldest surviving covered bridges.
  • A. Felton Covered Bridge
    Felton Covered Bridge is a historic wooden covered bridge in Felton, California, noted as one of the tallest covered bridges in the United States and a landmark of the town’s 19th-century logging era.
  • B. Cedar Covered Bridge
    Cedar Covered Bridge is a historic wooden covered bridge in Madison County, Iowa, famed as one of the iconic “Bridges of Madison County” featured in literature and film.
  • C. Currin Covered Bridge
    Currin Covered Bridge is a historic wooden covered bridge near Cottage Grove, Oregon, noted for its distinctive red-and-white paint and classic Howe truss design.
  • D. 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.
  • E. Imes Covered Bridge
    Imes Covered Bridge is a historic wooden covered bridge in Madison County, Iowa, known as one of the county’s iconic 19th-century bridges featured in “The Bridges of Madison County.”
  • 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_69d86da2858c819090cc8481e7207b6e completed April 10, 2026, 3:25 a.m.
NER Named-entity recognition batch_69e0b52682548190998d8b6a08982877 completed April 16, 2026, 10:08 a.m.
NED1 Entity disambiguation (via context triple) batch_69ff998d17648190b9f020632461965f completed May 9, 2026, 8:31 p.m.
NEDg Description generation batch_69ff9dcbb36881909c4317f9031199b8 completed May 9, 2026, 8:49 p.m.
NED2 Entity disambiguation (via description) batch_69ff9e25b2f08190b519d61be3e2f2f6 completed May 9, 2026, 8:50 p.m.
Created at: April 10, 2026, 4:48 a.m.