Triple

T4488770
Position Surface form Disambiguated ID Type / Status
Subject Neponset River E107314 entity
Predicate hasMajorTributary P415 FINISHED
Object Purgatory Brook
Purgatory Brook is a tributary stream in eastern Massachusetts that feeds into the Neponset River within the greater Boston watershed.
 E446919 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: Purgatory Brook | Statement: [Neponset River, hasMajorTributary, Purgatory Brook]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Purgatory Brook
Context triple: [Neponset River, hasMajorTributary, Purgatory Brook]
  • A. Calamity Brook
    Calamity Brook is a mountain stream in the Adirondack High Peaks region of New York, known for draining the slopes near Mount Marcy and feeding into the Opalescent River.
  • B. Piper Brook
    Piper Brook is a small tributary stream that feeds into the Park River in Connecticut.
  • C. Pearl Brook
    Pearl Brook is a small watercourse in Horwich, Greater Manchester, that forms part of the town’s local river network.
  • D. Henmore Brook
    Henmore Brook is a small watercourse in Derbyshire, England, that flows through the town of Ashbourne before joining the River Dove.
  • E. Bloody Brook
    Bloody Brook is a small stream in South Deerfield, Massachusetts, historically known as the site of a deadly ambush during King Philip’s War in 1675.
  • 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: Purgatory Brook
Triple: [Neponset River, hasMajorTributary, Purgatory Brook]
Generated description
Purgatory Brook is a tributary stream in eastern Massachusetts that feeds into the Neponset River within the greater Boston watershed.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Purgatory Brook
Target entity description: Purgatory Brook is a tributary stream in eastern Massachusetts that feeds into the Neponset River within the greater Boston watershed.
  • A. Calamity Brook
    Calamity Brook is a mountain stream in the Adirondack High Peaks region of New York, known for draining the slopes near Mount Marcy and feeding into the Opalescent River.
  • B. Piper Brook
    Piper Brook is a small tributary stream that feeds into the Park River in Connecticut.
  • C. Pearl Brook
    Pearl Brook is a small watercourse in Horwich, Greater Manchester, that forms part of the town’s local river network.
  • D. Henmore Brook
    Henmore Brook is a small watercourse in Derbyshire, England, that flows through the town of Ashbourne before joining the River Dove.
  • E. Bloody Brook
    Bloody Brook is a small stream in South Deerfield, Massachusetts, historically known as the site of a deadly ambush during King Philip’s War in 1675.
  • 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_69bd52ad36748190b791de458f2116b2 completed March 20, 2026, 1:59 p.m.
NED1 Entity disambiguation (via context triple) batch_69bd67a90f308190ab4f912cd1e2f692 completed March 20, 2026, 3:28 p.m.
NEDg Description generation batch_69bd68d76cfc819083071015add540dc completed March 20, 2026, 3:33 p.m.
NED2 Entity disambiguation (via description) batch_69bd698f0f148190ae3ad5193cba0851 completed March 20, 2026, 3:36 p.m.
Created at: March 20, 2026, 12:59 p.m.