Triple

T10146495
Position Surface form Disambiguated ID Type / Status
Subject Merrimack River watershed E231719 entity
Predicate containsWatercourse P16952 FINISHED
Object Powder Mill River
Powder Mill River is a tributary stream within the Merrimack River watershed in the northeastern United States.
 E854771 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: Powder Mill River | Statement: [Merrimack River watershed, containsWatercourse, Powder Mill River]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Powder Mill River
Context triple: [Merrimack River watershed, containsWatercourse, Powder Mill River]
  • A. Bryanta River
    The Bryanta River is a significant watercourse in Russia that contributes substantially to the flow and drainage basin of the Zeya River.
  • B. Whippany River
    The Whippany River is a tributary waterway in northern New Jersey that flows through Morris County before joining the Passaic River.
  • C. Conestoga River
    The Conestoga River is a significant waterway in southeastern Pennsylvania that flows through Lancaster County’s agricultural and urban landscapes before joining the Susquehanna River.
  • D. Neversink River
    The Neversink River is a scenic waterway in southeastern New York’s Catskill region, known for its trout fishing, reservoirs supplying New York City’s drinking water, and role in regional conservation history.
  • E. Mohican River
    The Mohican River is a scenic waterway in north-central Ohio known for its forests, wildlife, and popular canoeing, kayaking, and camping 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: Powder Mill River
Triple: [Merrimack River watershed, containsWatercourse, Powder Mill River]
Generated description
Powder Mill River is a tributary stream within the Merrimack River watershed in the northeastern United States.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Powder Mill River
Target entity description: Powder Mill River is a tributary stream within the Merrimack River watershed in the northeastern United States.
  • A. Bryanta River
    The Bryanta River is a significant watercourse in Russia that contributes substantially to the flow and drainage basin of the Zeya River.
  • B. Whippany River
    The Whippany River is a tributary waterway in northern New Jersey that flows through Morris County before joining the Passaic River.
  • C. Conestoga River
    The Conestoga River is a significant waterway in southeastern Pennsylvania that flows through Lancaster County’s agricultural and urban landscapes before joining the Susquehanna River.
  • D. Neversink River
    The Neversink River is a scenic waterway in southeastern New York’s Catskill region, known for its trout fishing, reservoirs supplying New York City’s drinking water, and role in regional conservation history.
  • E. Mohican River
    The Mohican River is a scenic waterway in north-central Ohio known for its forests, wildlife, and popular canoeing, kayaking, and camping 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_69ca848364f881908a24366a6feec1db completed March 30, 2026, 2:11 p.m.
NER Named-entity recognition batch_69cdebffb7688190b5def02f72154b14 completed April 2, 2026, 4:09 a.m.
NED1 Entity disambiguation (via context triple) batch_69d71c68d0cc8190994c4b0aaaf7829a completed April 9, 2026, 3:26 a.m.
NEDg Description generation batch_69d73180d90481908f1b4768230edd36 completed April 9, 2026, 4:56 a.m.
NED2 Entity disambiguation (via description) batch_69d7326b14988190bff33dc01e690707 completed April 9, 2026, 5 a.m.
Created at: March 30, 2026, 9:07 p.m.