Triple

T9949
Position Surface form Disambiguated ID Type / Status
Subject Chelsea, Massachusetts E201 entity
Predicate transportationInfrastructure P385 FINISHED
Object Tobin Bridge
The Tobin Bridge is a major steel cantilever bridge in the Boston area that carries U.S. Route 1 over the Mystic River, connecting Boston and Chelsea, Massachusetts.
E10684 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: Tobin Bridge | Statement: [Chelsea, Massachusetts, transportationInfrastructure, Tobin Bridge]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Tobin Bridge
Context triple: [Chelsea, Massachusetts, transportationInfrastructure, Tobin 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. Memorial Bridge
    Memorial Bridge is a prominent ceremonial bridge spanning the Potomac River, symbolically linking Arlington National Cemetery with the Lincoln Memorial in Washington, D.C.
  • 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. Key Bridge
    Key Bridge is a historic steel-arch bridge spanning the Potomac River, connecting Washington, D.C. to Arlington, Virginia.
  • E. 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.
  • 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: Tobin Bridge
Triple: [Chelsea, Massachusetts, transportationInfrastructure, Tobin Bridge]
Generated description
The Tobin Bridge is a major steel cantilever bridge in the Boston area that carries U.S. Route 1 over the Mystic River, connecting Boston and Chelsea, Massachusetts.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Tobin Bridge
Target entity description: The Tobin Bridge is a major steel cantilever bridge in the Boston area that carries U.S. Route 1 over the Mystic River, connecting Boston and Chelsea, Massachusetts.
  • 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. Memorial Bridge
    Memorial Bridge is a prominent ceremonial bridge spanning the Potomac River, symbolically linking Arlington National Cemetery with the Lincoln Memorial in Washington, D.C.
  • 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. Key Bridge
    Key Bridge is a historic steel-arch bridge spanning the Potomac River, connecting Washington, D.C. to Arlington, Virginia.
  • E. 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.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: transportationInfrastructure
Context triple: [Chelsea, Massachusetts, transportationInfrastructure, Tobin Bridge]
  • A. transportation
    Indicates the movement of someone or something from one place to another, typically using a vehicle or transit system.
  • B. hasMajorHighway chosen
    Indicates that a location or area is served by or directly connected to a major highway route.
  • C. hasLightRailSystem
    Indicates that a place possesses and operates a light rail transit system.
  • D. hasRailSystem
    Indicates that an entity possesses or is served by a rail-based transportation system.
  • E. adjacentToInfrastructure
    Indicates that one entity is located directly next to or in immediate proximity to a piece of infrastructure.
  • F. None of above.

Provenance (6 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_69a23bb612708190b09f25385e4b63d1 completed Feb. 28, 2026, 12:49 a.m.
NER Named-entity recognition batch_69a240b249788190af8dbf7e80e9c91b completed Feb. 28, 2026, 1:11 a.m.
NED1 Entity disambiguation (via context triple) batch_69a275db9ecc8190b5dcb7a891b0b28a completed Feb. 28, 2026, 4:58 a.m.
NEDg Description generation batch_69a276cd25a081908b0660892187313a completed Feb. 28, 2026, 5:02 a.m.
NED2 Entity disambiguation (via description) batch_69a27717cff881908163406cea8d0052 completed Feb. 28, 2026, 5:03 a.m.
PD Predicate disambiguation batch_69a23fe52ec48190a4d24101c91434ed completed Feb. 28, 2026, 1:07 a.m.
Created at: Feb. 28, 2026, 12:54 a.m.