Triple

T3910431
Position Surface form Disambiguated ID Type / Status
Subject Charles River (Boston and Cambridge) E87306 entity
Predicate crossedBy P416 FINISHED
Object Weeks Footbridge
Weeks Footbridge is a historic pedestrian bridge in Cambridge, Massachusetts, best known for connecting Harvard University's main campus to its athletic facilities across the Charles River.
E398337 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: Weeks Footbridge | Statement: [Charles River (Boston and Cambridge), crossedBy, Weeks Footbridge]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Weeks Footbridge
Context triple: [Charles River (Boston and Cambridge), crossedBy, Weeks Footbridge]
  • A. Serpentine Bridge
    Serpentine Bridge is a historic stone bridge in London that spans the Serpentine lake, visually separating Hyde Park from Kensington Gardens.
  • B. Church Street Bridge
    Church Street Bridge is a historic road bridge in Melbourne, Australia, known for carrying Church Street over the Yarra River and serving as a key local traffic link.
  • C. Brooks Bridge
    Brooks Bridge is a highway bridge in Fort Walton Beach, Florida, that carries U.S. Route 98 over the Santa Rosa Sound, connecting the mainland to Okaloosa Island.
  • D. Adelphi Footbridge
    Adelphi Footbridge is a pedestrian bridge spanning the River Irwell in Salford, England, providing a crossing between key areas of the city.
  • E. Whaley Bridge
    Whaley Bridge is a small town in the High Peak district of Derbyshire, England, known historically for its role in the canal and textile industries.
  • 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: Weeks Footbridge
Triple: [Charles River (Boston and Cambridge), crossedBy, Weeks Footbridge]
Generated description
Weeks Footbridge is a historic pedestrian bridge in Cambridge, Massachusetts, best known for connecting Harvard University's main campus to its athletic facilities across the Charles River.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Weeks Footbridge
Target entity description: Weeks Footbridge is a historic pedestrian bridge in Cambridge, Massachusetts, best known for connecting Harvard University's main campus to its athletic facilities across the Charles River.
  • A. Serpentine Bridge
    Serpentine Bridge is a historic stone bridge in London that spans the Serpentine lake, visually separating Hyde Park from Kensington Gardens.
  • B. Church Street Bridge
    Church Street Bridge is a historic road bridge in Melbourne, Australia, known for carrying Church Street over the Yarra River and serving as a key local traffic link.
  • C. Brooks Bridge
    Brooks Bridge is a highway bridge in Fort Walton Beach, Florida, that carries U.S. Route 98 over the Santa Rosa Sound, connecting the mainland to Okaloosa Island.
  • D. Adelphi Footbridge
    Adelphi Footbridge is a pedestrian bridge spanning the River Irwell in Salford, England, providing a crossing between key areas of the city.
  • E. Whaley Bridge
    Whaley Bridge is a small town in the High Peak district of Derbyshire, England, known historically for its role in the canal and textile industries.
  • 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_69aed9424514819086e9c58adde6652d completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69aeed3408f881908c3cffc5dbfe3950 completed March 9, 2026, 3:54 p.m.
NED1 Entity disambiguation (via context triple) batch_69b51cb454c48190bf47d080f6cc24f0 completed March 14, 2026, 8:30 a.m.
NEDg Description generation batch_69b5206dfd848190ae7aaa9997150934 completed March 14, 2026, 8:46 a.m.
NED2 Entity disambiguation (via description) batch_69b520ce6af481909b7824c2ec221331 completed March 14, 2026, 8:48 a.m.
Created at: March 9, 2026, 3:22 p.m.