Triple

T7297353
Position Surface form Disambiguated ID Type / Status
Subject Upper Mystic Lake E164557 entity
Predicate inflow P415 FINISHED
Object Sandy Brook
Sandy Brook is a small stream that serves as one of the natural water sources feeding Upper Mystic Lake in Massachusetts.
 E659208 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: Sandy Brook | Statement: [Upper Mystic Lake, inflow, Sandy Brook]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Sandy Brook
Context triple: [Upper Mystic Lake, inflow, Sandy Brook]
  • A. Porter Brook
    Porter Brook is a small urban river running through Sheffield, England, historically important for powering the city’s early industry.
  • B. Lincoln Brook
    Lincoln Brook is a small mountain stream located within the McKenzie Mountain Wilderness area of the Adirondack Park in New York State.
  • C. Tibbetts Brook
    Tibbetts Brook is a small natural waterway in the Bronx, New York City, that flows through Van Cortlandt Park and plays a key role in the park’s wetland and watershed system.
  • D. Mutton Brook
    Mutton Brook is a small stream in north London that forms part of the upper reaches of the River Brent and runs through several urban green spaces.
  • E. Feldspar Brook
    Feldspar Brook is a small mountain stream in the Adirondack High Peaks region of New York that originates near Lake Tear of the Clouds and contributes to the headwaters of the Hudson River system.
  • 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: Sandy Brook
Triple: [Upper Mystic Lake, inflow, Sandy Brook]
Generated description
Sandy Brook is a small stream that serves as one of the natural water sources feeding Upper Mystic Lake in Massachusetts.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Sandy Brook
Target entity description: Sandy Brook is a small stream that serves as one of the natural water sources feeding Upper Mystic Lake in Massachusetts.
  • A. Porter Brook
    Porter Brook is a small urban river running through Sheffield, England, historically important for powering the city’s early industry.
  • B. Lincoln Brook
    Lincoln Brook is a small mountain stream located within the McKenzie Mountain Wilderness area of the Adirondack Park in New York State.
  • C. Tibbetts Brook
    Tibbetts Brook is a small natural waterway in the Bronx, New York City, that flows through Van Cortlandt Park and plays a key role in the park’s wetland and watershed system.
  • D. Mutton Brook
    Mutton Brook is a small stream in north London that forms part of the upper reaches of the River Brent and runs through several urban green spaces.
  • E. Feldspar Brook
    Feldspar Brook is a small mountain stream in the Adirondack High Peaks region of New York that originates near Lake Tear of the Clouds and contributes to the headwaters of the Hudson River system.
  • 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_69c6887a499881909dd23341399c59d8 completed March 27, 2026, 1:39 p.m.
NER Named-entity recognition batch_69c6eb8e48d48190ada4d507f3b61bc4 completed March 27, 2026, 8:41 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7fa7320bc819081e0b94e8909c4aa completed March 28, 2026, 3:57 p.m.
NEDg Description generation batch_69c7fb1d9fdc8190943758de004057d6 completed March 28, 2026, 4 p.m.
NED2 Entity disambiguation (via description) batch_69c7fcc4dce881909262c5b67ddd980c completed March 28, 2026, 4:07 p.m.
Created at: March 27, 2026, 3 p.m.