Triple

T12000601
Position Surface form Disambiguated ID Type / Status
Subject Otonabee River E285648 entity
Predicate hasBridge P386 FINISHED
Object Lansdowne Street Bridge
Lansdowne Street Bridge is a roadway bridge in Peterborough, Ontario, that carries Lansdowne Street across the Otonabee River as a key local transportation link.
 E959025 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: Lansdowne Street Bridge | Statement: [Otonabee River, hasBridge, Lansdowne Street Bridge]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Lansdowne Street Bridge
Context triple: [Otonabee River, hasBridge, Lansdowne Street Bridge]
  • A. Lansdowne Road Bridge
    Lansdowne Road Bridge is a road bridge in Dublin, Ireland, carrying Lansdowne Road across the River Dodder near the Aviva Stadium.
  • B. Lansdowne Bridge
    Lansdowne Bridge is a historic 19th-century iron railway bridge in Sindh, Pakistan, renowned for its distinctive cantilever design spanning the Indus River near Sukkur.
  • C. Borden Avenue Bridge
    The Borden Avenue Bridge is a small retractile drawbridge in Long Island City, Queens, carrying Borden Avenue over Dutch Kills, a tributary of Newtown Creek.
  • D. Algonquin Bridge
    Algonquin Bridge is a pedestrian bridge located on the Toronto Islands, providing a scenic crossing between parts of the island park system.
  • E. Smithfield Street Bridge
    Smithfield Street Bridge is a historic lenticular truss bridge in Pittsburgh, Pennsylvania, known as one of the oldest steel bridges in the United States and a National Historic Landmark.
  • 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: Lansdowne Street Bridge
Triple: [Otonabee River, hasBridge, Lansdowne Street Bridge]
Generated description
Lansdowne Street Bridge is a roadway bridge in Peterborough, Ontario, that carries Lansdowne Street across the Otonabee River as a key local transportation link.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Lansdowne Street Bridge
Target entity description: Lansdowne Street Bridge is a roadway bridge in Peterborough, Ontario, that carries Lansdowne Street across the Otonabee River as a key local transportation link.
  • A. Lansdowne Road Bridge
    Lansdowne Road Bridge is a road bridge in Dublin, Ireland, carrying Lansdowne Road across the River Dodder near the Aviva Stadium.
  • B. Lansdowne Bridge
    Lansdowne Bridge is a historic 19th-century iron railway bridge in Sindh, Pakistan, renowned for its distinctive cantilever design spanning the Indus River near Sukkur.
  • C. Borden Avenue Bridge
    The Borden Avenue Bridge is a small retractile drawbridge in Long Island City, Queens, carrying Borden Avenue over Dutch Kills, a tributary of Newtown Creek.
  • D. Algonquin Bridge
    Algonquin Bridge is a pedestrian bridge located on the Toronto Islands, providing a scenic crossing between parts of the island park system.
  • E. Smithfield Street Bridge
    Smithfield Street Bridge is a historic lenticular truss bridge in Pittsburgh, Pennsylvania, known as one of the oldest steel bridges in the United States and a National Historic Landmark.
  • 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_69d6ab44a77c8190a652f4b27164e4ef completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d903c26d7881909b67a31d04882eb5 completed April 10, 2026, 2:05 p.m.
NED1 Entity disambiguation (via context triple) batch_69f4729eb4a081909d93b3fc74509d86 completed May 1, 2026, 9:30 a.m.
NEDg Description generation batch_69f47b7e4a40819085680c48eed5418a completed May 1, 2026, 10:07 a.m.
NED2 Entity disambiguation (via description) batch_69f47df40a8c8190bd7350ba27f57214 completed May 1, 2026, 10:18 a.m.
Created at: April 8, 2026, 9:46 p.m.