Triple

T800285
Position Surface form Disambiguated ID Type / Status
Subject Hemlock Gorge Reservation E17114 entity
Predicate hasStructure P35 FINISHED
Object Echo Bridge aqueduct
Echo Bridge aqueduct is a historic 19th-century masonry bridge and former water-carrying structure in Massachusetts, notable for its impressive stone arches and scenic views over the Charles River.
E110726 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: Echo Bridge aqueduct | Statement: [Hemlock Gorge Reservation, hasStructure, Echo Bridge aqueduct]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Echo Bridge aqueduct
Context triple: [Hemlock Gorge Reservation, hasStructure, Echo Bridge aqueduct]
  • A. Stone Arch Bridge
    The Stone Arch Bridge is a historic former railroad bridge in Minneapolis, Minnesota, known for its distinctive stone arches spanning the Mississippi River near St. Anthony Falls.
  • B. Grand Bridge
    The Grand Bridge is an imposing ornamental stone bridge and landscape feature within the grounds of Blenheim Palace in Oxfordshire, England, designed to enhance the estate’s grand Baroque setting.
  • C. Long Bridge
    Long Bridge is a major railroad bridge over the Potomac River in Washington, D.C., carrying freight and passenger trains between the District of Columbia and Virginia.
  • D. Benson Bridge
    Benson Bridge is a historic pedestrian footbridge that spans the lower falls at Oregon’s Multnomah Falls, offering visitors a close-up view of the cascading water.
  • E. Barton Swing Aqueduct
    Barton Swing Aqueduct is a pioneering movable navigable aqueduct in Greater Manchester, England, that carries the Bridgewater Canal over the Manchester Ship Canal by swinging aside to allow large ships to pass.
  • 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: Echo Bridge aqueduct
Triple: [Hemlock Gorge Reservation, hasStructure, Echo Bridge aqueduct]
Generated description
Echo Bridge aqueduct is a historic 19th-century masonry bridge and former water-carrying structure in Massachusetts, notable for its impressive stone arches and scenic views over the Charles River.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Echo Bridge aqueduct
Target entity description: Echo Bridge aqueduct is a historic 19th-century masonry bridge and former water-carrying structure in Massachusetts, notable for its impressive stone arches and scenic views over the Charles River.
  • A. Stone Arch Bridge
    The Stone Arch Bridge is a historic former railroad bridge in Minneapolis, Minnesota, known for its distinctive stone arches spanning the Mississippi River near St. Anthony Falls.
  • B. Grand Bridge
    The Grand Bridge is an imposing ornamental stone bridge and landscape feature within the grounds of Blenheim Palace in Oxfordshire, England, designed to enhance the estate’s grand Baroque setting.
  • C. Long Bridge
    Long Bridge is a major railroad bridge over the Potomac River in Washington, D.C., carrying freight and passenger trains between the District of Columbia and Virginia.
  • D. Benson Bridge
    Benson Bridge is a historic pedestrian footbridge that spans the lower falls at Oregon’s Multnomah Falls, offering visitors a close-up view of the cascading water.
  • E. Barton Swing Aqueduct
    Barton Swing Aqueduct is a pioneering movable navigable aqueduct in Greater Manchester, England, that carries the Bridgewater Canal over the Manchester Ship Canal by swinging aside to allow large ships to pass.
  • 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_69a49378b9c48190adbf5f62e5b7aca1 completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a4a7cb26dc8190bdd3a278b8695873 completed March 1, 2026, 8:55 p.m.
NED1 Entity disambiguation (via context triple) batch_69a826cc938481909e420185871a5d27 completed March 4, 2026, 12:34 p.m.
NEDg Description generation batch_69a83374e5b48190bdacbaa712122fb5 completed March 4, 2026, 1:28 p.m.
NED2 Entity disambiguation (via description) batch_69a833d4832481909d4abf774781c63e completed March 4, 2026, 1:29 p.m.
Created at: March 1, 2026, 7:38 p.m.