Triple

T89942
Position Surface form Disambiguated ID Type / Status
Subject Charles River E1807 entity
Predicate hasPark P105 FINISHED
Object Charles River Reservation
Charles River Reservation is a linear state park in Massachusetts that preserves and provides recreational access to the scenic banks and basin of the Charles River.
 E34285 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: Charles River Reservation | Statement: [Charles River, hasPark, Charles River Reservation]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Charles River Reservation
Context triple: [Charles River, hasPark, Charles River Reservation]
  • A. Alewife Brook Reservation
    Alewife Brook Reservation is an urban nature preserve and wetland park in Cambridge, Massachusetts, offering trails, wildlife habitat, and floodplain protection within the Boston metropolitan area.
  • B. Back Bay Fens
    Back Bay Fens is a historic urban park and restored salt marsh in Boston, Massachusetts, known for its scenic waterways, walking paths, and role as part of the city’s Emerald Necklace park system.
  • C. Lynn Woods Reservation
    Lynn Woods Reservation is a large municipal forest and public park in Lynn, Massachusetts, known for its extensive trail system, scenic ponds, and historic stone structures.
  • D. Walden Pond State Reservation
    Walden Pond State Reservation is a historic natural park in Massachusetts best known as the setting of Henry David Thoreau’s book "Walden" and a symbol of American transcendentalism and conservation.
  • E. Ward Pound Ridge Reservation
    Ward Pound Ridge Reservation is the largest park in Westchester County, New York, known for its extensive network of hiking trails, diverse natural habitats, and outdoor recreation opportunities.
  • 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: Charles River Reservation
Triple: [Charles River, hasPark, Charles River Reservation]
Generated description
Charles River Reservation is a linear state park in Massachusetts that preserves and provides recreational access to the scenic banks and basin of the Charles River.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Charles River Reservation
Target entity description: Charles River Reservation is a linear state park in Massachusetts that preserves and provides recreational access to the scenic banks and basin of the Charles River.
  • A. Alewife Brook Reservation
    Alewife Brook Reservation is an urban nature preserve and wetland park in Cambridge, Massachusetts, offering trails, wildlife habitat, and floodplain protection within the Boston metropolitan area.
  • B. Back Bay Fens
    Back Bay Fens is a historic urban park and restored salt marsh in Boston, Massachusetts, known for its scenic waterways, walking paths, and role as part of the city’s Emerald Necklace park system.
  • C. Lynn Woods Reservation
    Lynn Woods Reservation is a large municipal forest and public park in Lynn, Massachusetts, known for its extensive trail system, scenic ponds, and historic stone structures.
  • D. Walden Pond State Reservation
    Walden Pond State Reservation is a historic natural park in Massachusetts best known as the setting of Henry David Thoreau’s book "Walden" and a symbol of American transcendentalism and conservation.
  • E. Ward Pound Ridge Reservation
    Ward Pound Ridge Reservation is the largest park in Westchester County, New York, known for its extensive network of hiking trails, diverse natural habitats, and outdoor recreation opportunities.
  • 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_69a24d1a97dc819094e6c021fe9b05a7 completed Feb. 28, 2026, 2:04 a.m.
NER Named-entity recognition batch_69a383e3575c8190932dcdc25503d06e completed March 1, 2026, 12:10 a.m.
NED1 Entity disambiguation (via context triple) batch_69a38611d3808190834c96fe39f9cf0d completed March 1, 2026, 12:19 a.m.
NEDg Description generation batch_69a386883e74819090d26dff200cb267 completed March 1, 2026, 12:21 a.m.
NED2 Entity disambiguation (via description) batch_69a386f03ac08190a2645a325bb73fcd completed March 1, 2026, 12:23 a.m.
Created at: Feb. 28, 2026, 2:07 a.m.