Triple

T3424107
Position Surface form Disambiguated ID Type / Status
Subject Contoocook River E72185 entity
Predicate hasBridge P386 FINISHED
Object Contoocook Railroad Bridge
The Contoocook Railroad Bridge is a historic covered railroad bridge in New Hampshire, notable as one of the oldest surviving examples of its kind in the United States.
E415340 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: Contoocook Railroad Bridge | Statement: [Contoocook River, hasBridge, Contoocook Railroad Bridge]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Contoocook Railroad Bridge
Context triple: [Contoocook River, hasBridge, Contoocook Railroad Bridge]
  • A. Kinzie Street Railroad Bridge
    The Kinzie Street Railroad Bridge is a historic, early 20th-century vertical-lift railroad bridge in downtown Chicago, notable as one of the city’s iconic industrial-era river crossings.
  • B. Newkirk Viaduct
    The Newkirk Viaduct is a historic 19th-century railroad bridge in Philadelphia that played a key role in early rail travel along the Northeast Corridor.
  • C. Strawberry Creek bridge
    Strawberry Creek bridge is a pedestrian bridge on the UC Berkeley campus that spans Strawberry Creek near Sather Gate, serving as a key walkway between central campus areas.
  • D. Beachley Viaduct
    Beachley Viaduct is a road bridge in Gloucestershire, England, that carries the M48 motorway across the Beachley peninsula as part of the Severn Bridge crossing between England and Wales.
  • E. Hurricane Gulch Bridge
    Hurricane Gulch Bridge is a historic steel arch railroad bridge in Alaska that carries the Alaska Railroad across the deep Hurricane Gulch canyon.
  • 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: Contoocook Railroad Bridge
Triple: [Contoocook River, hasBridge, Contoocook Railroad Bridge]
Generated description
The Contoocook Railroad Bridge is a historic covered railroad bridge in New Hampshire, notable as one of the oldest surviving examples of its kind in the United States.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Contoocook Railroad Bridge
Target entity description: The Contoocook Railroad Bridge is a historic covered railroad bridge in New Hampshire, notable as one of the oldest surviving examples of its kind in the United States.
  • A. Kinzie Street Railroad Bridge
    The Kinzie Street Railroad Bridge is a historic, early 20th-century vertical-lift railroad bridge in downtown Chicago, notable as one of the city’s iconic industrial-era river crossings.
  • B. Newkirk Viaduct
    The Newkirk Viaduct is a historic 19th-century railroad bridge in Philadelphia that played a key role in early rail travel along the Northeast Corridor.
  • C. Strawberry Creek bridge
    Strawberry Creek bridge is a pedestrian bridge on the UC Berkeley campus that spans Strawberry Creek near Sather Gate, serving as a key walkway between central campus areas.
  • D. Beachley Viaduct
    Beachley Viaduct is a road bridge in Gloucestershire, England, that carries the M48 motorway across the Beachley peninsula as part of the Severn Bridge crossing between England and Wales.
  • E. Hurricane Gulch Bridge
    Hurricane Gulch Bridge is a historic steel arch railroad bridge in Alaska that carries the Alaska Railroad across the deep Hurricane Gulch canyon.
  • 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_69ad85ad38e48190b7660c5118a35289 completed March 8, 2026, 2:20 p.m.
NER Named-entity recognition batch_69adb9533b588190a18a9b6495712ee0 completed March 8, 2026, 6 p.m.
NED1 Entity disambiguation (via context triple) batch_69b5767842bc8190849c79a510160654 completed March 14, 2026, 2:53 p.m.
NEDg Description generation batch_69b57729ca3881909be016ad92a65785 completed March 14, 2026, 2:56 p.m.
NED2 Entity disambiguation (via description) batch_69b5778dcdc08190aee087f6d54992dc completed March 14, 2026, 2:58 p.m.
Created at: March 8, 2026, 3:15 p.m.