Triple

T4487873
Position Surface form Disambiguated ID Type / Status
Subject Tyngsborough, Massachusetts E107290 entity
Predicate hasHistoricStructure P1098 FINISHED
Object Tyngsborough Bridge
Tyngsborough Bridge is a historic steel tied-arch bridge spanning the Merrimack River in Tyngsborough, Massachusetts, known for its distinctive green arch design.
E527005 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: Tyngsborough Bridge | Statement: [Tyngsborough, Massachusetts, hasHistoricStructure, Tyngsborough Bridge]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Tyngsborough Bridge
Context triple: [Tyngsborough, Massachusetts, hasHistoricStructure, Tyngsborough Bridge]
  • A. Bridgewater Bridge
    Bridgewater Bridge is a major road and rail swing bridge in Tasmania, Australia, spanning the Derwent River and serving as a key transport link north of Hobart.
  • B. 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.
  • C. Telford Bridge
    Telford Bridge is a historic stone road bridge in Dunkeld, Scotland, designed by the renowned civil engineer Thomas Telford in the early 19th century.
  • D. Abingdon Bridge
    Abingdon Bridge is a historic stone road bridge over the River Thames in Abingdon, Oxfordshire, England.
  • E. Morrison Bridge
    The Morrison Bridge is a bascule bridge spanning the Willamette River in downtown Portland, Oregon, carrying both vehicle and pedestrian traffic.
  • 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: Tyngsborough Bridge
Triple: [Tyngsborough, Massachusetts, hasHistoricStructure, Tyngsborough Bridge]
Generated description
Tyngsborough Bridge is a historic steel tied-arch bridge spanning the Merrimack River in Tyngsborough, Massachusetts, known for its distinctive green arch design.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Tyngsborough Bridge
Target entity description: Tyngsborough Bridge is a historic steel tied-arch bridge spanning the Merrimack River in Tyngsborough, Massachusetts, known for its distinctive green arch design.
  • A. Bridgewater Bridge
    Bridgewater Bridge is a major road and rail swing bridge in Tasmania, Australia, spanning the Derwent River and serving as a key transport link north of Hobart.
  • B. 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.
  • C. Telford Bridge
    Telford Bridge is a historic stone road bridge in Dunkeld, Scotland, designed by the renowned civil engineer Thomas Telford in the early 19th century.
  • D. Abingdon Bridge
    Abingdon Bridge is a historic stone road bridge over the River Thames in Abingdon, Oxfordshire, England.
  • E. Morrison Bridge
    The Morrison Bridge is a bascule bridge spanning the Willamette River in downtown Portland, Oregon, carrying both vehicle and pedestrian traffic.
  • 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_69bd43f84f788190a1383579c4a595be completed March 20, 2026, 12:56 p.m.
NER Named-entity recognition batch_69bd52abddf88190b4fb09884ed62500 completed March 20, 2026, 1:59 p.m.
NED1 Entity disambiguation (via context triple) batch_69bfd2366a3c819097391ad8731c21a8 completed March 22, 2026, 11:27 a.m.
NEDg Description generation batch_69bfd2b9290c819092ca7d3b29d8f39b completed March 22, 2026, 11:30 a.m.
NED2 Entity disambiguation (via description) batch_69bfd3180ac081908711bd893d811c84 completed March 22, 2026, 11:31 a.m.
Created at: March 20, 2026, 12:59 p.m.