Triple

T4892023
Position Surface form Disambiguated ID Type / Status
Subject Wachusett Reservoir E109585 entity
Predicate inflow P415 FINISHED
Object Stillwater River
The Stillwater River is a tributary in central Massachusetts that helps supply water to the Wachusett Reservoir, an important component of the Greater Boston water system.
 E692464 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: Stillwater River | Statement: [Wachusett Reservoir, inflow, Stillwater River]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Stillwater River
Context triple: [Wachusett Reservoir, inflow, Stillwater River]
  • A. Stillwater River
    The Stillwater River is a branch of the Penobscot River in central Maine, known for flowing around Marsh Island and through the town of Orono.
  • B. Rockfish River
    Rockfish River is a scenic waterway in central Virginia known for its natural beauty, outdoor recreation, and role as a tributary of the James River.
  • C. Payette River
    The Payette River is a major river in western Idaho known for its rugged canyons, whitewater recreation, and contribution to the Snake River watershed.
  • D. Rapid River
    Rapid River is a watercourse that serves as one of the tributary rivers flowing into Lake of the Woods in North America.
  • E. Sassafras River
    The Sassafras River is a tidal tributary of the Chesapeake Bay in Maryland known for its scenic shorelines, boating, and recreational fishing.
  • 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: Stillwater River
Triple: [Wachusett Reservoir, inflow, Stillwater River]
Generated description
The Stillwater River is a tributary in central Massachusetts that helps supply water to the Wachusett Reservoir, an important component of the Greater Boston water system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Stillwater River
Target entity description: The Stillwater River is a tributary in central Massachusetts that helps supply water to the Wachusett Reservoir, an important component of the Greater Boston water system.
  • A. Stillwater River
    The Stillwater River is a branch of the Penobscot River in central Maine, known for flowing around Marsh Island and through the town of Orono.
  • B. Rockfish River
    Rockfish River is a scenic waterway in central Virginia known for its natural beauty, outdoor recreation, and role as a tributary of the James River.
  • C. Payette River
    The Payette River is a major river in western Idaho known for its rugged canyons, whitewater recreation, and contribution to the Snake River watershed.
  • D. Rapid River
    Rapid River is a watercourse that serves as one of the tributary rivers flowing into Lake of the Woods in North America.
  • E. Sassafras River
    The Sassafras River is a tidal tributary of the Chesapeake Bay in Maryland known for its scenic shorelines, boating, and recreational fishing.
  • 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_69bd4410bbf88190aad50d2451c863d6 completed March 20, 2026, 12:56 p.m.
NER Named-entity recognition batch_69bd6e2444dc819088d5562e90d16d9b completed March 20, 2026, 3:56 p.m.
NED1 Entity disambiguation (via context triple) batch_69ca392955f081909deeeae20822adc0 completed March 30, 2026, 8:49 a.m.
NEDg Description generation batch_69ca3a1f24648190b819e07c465dfc68 completed March 30, 2026, 8:53 a.m.
NED2 Entity disambiguation (via description) batch_69ca3a9ace4c8190811bcaa1697b28be completed March 30, 2026, 8:55 a.m.
Created at: March 20, 2026, 1:28 p.m.