Triple

T257004
Position Surface form Disambiguated ID Type / Status
Subject Merrimack River E5456 entity
Predicate tributary P415 FINISHED
Object Souhegan River
The Souhegan River is a New Hampshire waterway known for its scenic, largely rural course and popular recreational activities such as fishing, paddling, and riverside hiking.
E74141 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: Souhegan River | Statement: [Merrimack River, tributary, Souhegan River]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Souhegan River
Context triple: [Merrimack River, tributary, Souhegan River]
  • A. Nashua River
    The Nashua River is a New England waterway flowing through Massachusetts and New Hampshire, historically significant for both severe industrial pollution and subsequent environmental restoration efforts.
  • B. Malden River
    The Malden River is a short urban river in the Greater Boston area of Massachusetts that flows through communities including Everett before joining the Mystic River.
  • C. Squannacook River
    The Squannacook River is a scenic tributary of the Nashua River in north-central Massachusetts, known for its forested surroundings, wildlife habitat, and recreational opportunities such as fishing and paddling.
  • D. Concord River
    The Concord River is a historically significant river in eastern Massachusetts, known for its role in early American history and its scenic, meandering course through the town of Concord.
  • E. Merrimack River
    The Merrimack River is a major New England waterway that flows through New Hampshire and northeastern Massachusetts, historically important for powering textile mills and shaping the industrial development of the region.
  • 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: Souhegan River
Triple: [Merrimack River, tributary, Souhegan River]
Generated description
The Souhegan River is a New Hampshire waterway known for its scenic, largely rural course and popular recreational activities such as fishing, paddling, and riverside hiking.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Souhegan River
Target entity description: The Souhegan River is a New Hampshire waterway known for its scenic, largely rural course and popular recreational activities such as fishing, paddling, and riverside hiking.
  • A. Nashua River
    The Nashua River is a New England waterway flowing through Massachusetts and New Hampshire, historically significant for both severe industrial pollution and subsequent environmental restoration efforts.
  • B. Malden River
    The Malden River is a short urban river in the Greater Boston area of Massachusetts that flows through communities including Everett before joining the Mystic River.
  • C. Squannacook River
    The Squannacook River is a scenic tributary of the Nashua River in north-central Massachusetts, known for its forested surroundings, wildlife habitat, and recreational opportunities such as fishing and paddling.
  • D. Concord River
    The Concord River is a historically significant river in eastern Massachusetts, known for its role in early American history and its scenic, meandering course through the town of Concord.
  • E. Merrimack River
    The Merrimack River is a major New England waterway that flows through New Hampshire and northeastern Massachusetts, historically important for powering textile mills and shaping the industrial development of the region.
  • 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_69a2580a64ac8190ad76e34bb0715b5e completed Feb. 28, 2026, 2:50 a.m.
NER Named-entity recognition batch_69a25d5884c88190a349d7593b688921 completed Feb. 28, 2026, 3:13 a.m.
NED1 Entity disambiguation (via context triple) batch_69a5154d3a70819097de31be3b753523 completed March 2, 2026, 4:42 a.m.
NEDg Description generation batch_69a516a9b95081908b7c947edd0ef268 completed March 2, 2026, 4:48 a.m.
NED2 Entity disambiguation (via description) batch_69a5173b405081908135a9b03e1bb11f completed March 2, 2026, 4:51 a.m.
Created at: Feb. 28, 2026, 2:55 a.m.