Triple

T19540
Position Surface form Disambiguated ID Type / Status
Subject Chappaquiddick incident E388 entity
Predicate roadFeature P1777 FINISHED
Object Dike Bridge
Dike Bridge is a small wooden bridge on Chappaquiddick Island in Massachusetts, best known as the site of the 1969 Chappaquiddick incident involving Senator Ted Kennedy.
E15827 NE FINISHED

How this triple was built (5 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: Dike Bridge | Statement: [Chappaquiddick incident, roadFeature, Dike Bridge]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Dike Bridge
Context triple: [Chappaquiddick incident, roadFeature, Dike Bridge]
  • A. St. Johns Bridge
    St. Johns Bridge is a historic steel suspension bridge in Portland, Oregon, noted for its striking Gothic-style towers and scenic span over the Willamette River.
  • B. Bear Mountain Bridge
    Bear Mountain Bridge is a steel suspension bridge in New York that carries U.S. Route 6 and U.S. Route 202 across the Hudson River near Bear Mountain State Park.
  • C. 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.
  • D. Mystic River Bridge
    The Mystic River Bridge, officially known as the Maurice J. Tobin Memorial Bridge, is a major steel cantilever roadway bridge in Boston, Massachusetts, carrying U.S. Route 1 over the Mystic River between Charlestown and Chelsea.
  • E. Wellington Bridge
    Wellington Bridge is a roadway bridge in the Boston area that carries traffic across the Mystic River between Medford and Somerville, Massachusetts.
  • 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: Dike Bridge
Triple: [Chappaquiddick incident, roadFeature, Dike Bridge]
Generated description
Dike Bridge is a small wooden bridge on Chappaquiddick Island in Massachusetts, best known as the site of the 1969 Chappaquiddick incident involving Senator Ted Kennedy.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Dike Bridge
Target entity description: Dike Bridge is a small wooden bridge on Chappaquiddick Island in Massachusetts, best known as the site of the 1969 Chappaquiddick incident involving Senator Ted Kennedy.
  • A. St. Johns Bridge
    St. Johns Bridge is a historic steel suspension bridge in Portland, Oregon, noted for its striking Gothic-style towers and scenic span over the Willamette River.
  • B. Bear Mountain Bridge
    Bear Mountain Bridge is a steel suspension bridge in New York that carries U.S. Route 6 and U.S. Route 202 across the Hudson River near Bear Mountain State Park.
  • C. 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.
  • D. Mystic River Bridge
    The Mystic River Bridge, officially known as the Maurice J. Tobin Memorial Bridge, is a major steel cantilever roadway bridge in Boston, Massachusetts, carrying U.S. Route 1 over the Mystic River between Charlestown and Chelsea.
  • E. Wellington Bridge
    Wellington Bridge is a roadway bridge in the Boston area that carries traffic across the Mystic River between Medford and Somerville, Massachusetts.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: roadFeature
Context triple: [Chappaquiddick incident, roadFeature, Dike Bridge]
  • A. roadType
    Indicates the classification or category of a road based on its functional or physical characteristics.
  • B. hasMajorHighway
    Indicates that a location or area is served by or directly connected to a major highway route.
  • C. hasStreet
    Indicates that an entity is located on, associated with, or identified by a particular street.
  • D. railwayLine
    Indicates that there is a railway line connection or route associated with or passing through the referenced entity.
  • E. runwaySurface
    Indicates the type or condition of the surface material that a runway is made of or covered with.
  • F. None of above. chosen

Provenance (7 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_69a240778d288190815c0052ebbbcc91 completed Feb. 28, 2026, 1:10 a.m.
NER Named-entity recognition batch_69a24703cb988190ad2bc181d27829e4 completed Feb. 28, 2026, 1:38 a.m.
NED1 Entity disambiguation (via context triple) batch_69a2b011fa00819095b0e7f51d1319c0 completed Feb. 28, 2026, 9:06 a.m.
NEDg Description generation batch_69a2b09fb0d481908e1fa9cf5618ba45 completed Feb. 28, 2026, 9:08 a.m.
NED2 Entity disambiguation (via description) batch_69a2b21936c881909e7bb27b948cc8b8 completed Feb. 28, 2026, 9:15 a.m.
PD Predicate disambiguation batch_69a24650f1f0819081e638fafd18d687 completed Feb. 28, 2026, 1:35 a.m.
PDg Predicate description generation batch_69a24702d4988190a54a4e578b7c919e completed Feb. 28, 2026, 1:38 a.m.
Created at: Feb. 28, 2026, 1:14 a.m.