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.