Triple

T12213513
Position Surface form Disambiguated ID Type / Status
Subject Portage Lake Lift Bridge E291025 entity
Predicate alsoKnownAs P39 FINISHED
Object Houghton–Hancock Bridge
The Houghton–Hancock Bridge is a prominent vertical-lift bridge in Michigan’s Upper Peninsula that spans the Keweenaw Waterway, connecting the cities of Houghton and Hancock.
 E1110875 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Houghton–Hancock Bridge | Statement: [Portage Lake Lift Bridge, alsoKnownAs, Houghton–Hancock Bridge]

Disambiguation candidates (2 decisions)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Houghton–Hancock Bridge
Context triple: [Portage Lake Lift Bridge, alsoKnownAs, Houghton–Hancock Bridge]
  • A. Sagamore Bridge
    Sagamore Bridge is a major highway bridge in Massachusetts that carries traffic over the Cape Cod Canal, serving as one of the primary gateways to Cape Cod.
  • B. Grenville Dodge Memorial Bridge
    The Grenville Dodge Memorial Bridge is a major highway bridge in the Omaha–Council Bluffs area that carries Interstate 480 across the Missouri River between Nebraska and Iowa.
  • C. Steese Highway Bridge
    Steese Highway Bridge is a road bridge in Fairbanks, Alaska, that carries the Steese Highway across the Chena River.
  • D. Maurice J. Tobin Memorial Bridge
    The Maurice J. Tobin Memorial Bridge is a major steel cantilever bridge in Boston, Massachusetts, carrying U.S. Route 1 over the Mystic River between Charlestown and Chelsea.
  • E. Crown Point Bridge
    Crown Point Bridge is a highway bridge that spans Lake Champlain, connecting Crown Point, New York, with Vermont.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Houghton–Hancock Bridge
Target entity description: The Houghton–Hancock Bridge is a prominent vertical-lift bridge in Michigan’s Upper Peninsula that spans the Keweenaw Waterway, connecting the cities of Houghton and Hancock.
  • A. Sagamore Bridge
    Sagamore Bridge is a major highway bridge in Massachusetts that carries traffic over the Cape Cod Canal, serving as one of the primary gateways to Cape Cod.
  • B. Grenville Dodge Memorial Bridge
    The Grenville Dodge Memorial Bridge is a major highway bridge in the Omaha–Council Bluffs area that carries Interstate 480 across the Missouri River between Nebraska and Iowa.
  • C. Steese Highway Bridge
    Steese Highway Bridge is a road bridge in Fairbanks, Alaska, that carries the Steese Highway across the Chena River.
  • D. Maurice J. Tobin Memorial Bridge
    The Maurice J. Tobin Memorial Bridge is a major steel cantilever bridge in Boston, Massachusetts, carrying U.S. Route 1 over the Mystic River between Charlestown and Chelsea.
  • E. Crown Point Bridge
    Crown Point Bridge is a highway bridge that spans Lake Champlain, connecting Crown Point, New York, with Vermont.
  • F. None of above. chosen

How the object was described

The object's one-sentence description was generated by prompting gpt-5.1 with the object name and this triple as context.

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: Houghton–Hancock Bridge
Triple: [Portage Lake Lift Bridge, alsoKnownAs, Houghton–Hancock Bridge]
Generated description
The Houghton–Hancock Bridge is a prominent vertical-lift bridge in Michigan’s Upper Peninsula that spans the Keweenaw Waterway, connecting the cities of Houghton and Hancock.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69d6ab65923081909acfc61b7a612233 elicitation completed
NER batch_69d91c931cec819083ca19be06a33e1c ner completed
NED1 batch_69fda8fd6f5081908de9a9e3df28a8ea ned_source_triple completed
NED2 batch_69fdb27fd90881909a938ecd227873b4 ned_description completed
NEDg batch_69fdb187bf1c819098675af82ee70b5b nedg completed
Created at: April 8, 2026, 9:51 p.m.