Triple

T3866057
Position Surface form Disambiguated ID Type / Status
Subject Powwow River E91855 entity
Predicate hasMouthLocation P1008 FINISHED
Object Merrimack River at Amesbury
The Merrimack River at Amesbury is a section of the major New England waterway flowing along the Massachusetts–New Hampshire border, historically significant for its role in regional industry, transportation, and settlement.
E395947 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: Merrimack River at Amesbury | Statement: [Powwow River, hasMouthLocation, Merrimack River at Amesbury]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Merrimack River at Amesbury
Context triple: [Powwow River, hasMouthLocation, Merrimack River at Amesbury]
  • A. Neponset River
    The Neponset River is a historically significant waterway in eastern Massachusetts that flows from Foxborough to Boston Harbor, forming part of the boundary between Boston and several neighboring communities.
  • B. Sudbury River
    The Sudbury River is a scenic river in eastern Massachusetts known for its wetlands, wildlife habitat, and role in the historic Concord and Sudbury river system.
  • C. 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.
  • D. Ipswich River
    The Ipswich River is a coastal river in northeastern Massachusetts known for its winding course through wetlands and forests before emptying into Ipswich Bay.
  • E. 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.
  • 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: Merrimack River at Amesbury
Triple: [Powwow River, hasMouthLocation, Merrimack River at Amesbury]
Generated description
The Merrimack River at Amesbury is a section of the major New England waterway flowing along the Massachusetts–New Hampshire border, historically significant for its role in regional industry, transportation, and settlement.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Merrimack River at Amesbury
Target entity description: The Merrimack River at Amesbury is a section of the major New England waterway flowing along the Massachusetts–New Hampshire border, historically significant for its role in regional industry, transportation, and settlement.
  • A. Neponset River
    The Neponset River is a historically significant waterway in eastern Massachusetts that flows from Foxborough to Boston Harbor, forming part of the boundary between Boston and several neighboring communities.
  • B. Sudbury River
    The Sudbury River is a scenic river in eastern Massachusetts known for its wetlands, wildlife habitat, and role in the historic Concord and Sudbury river system.
  • C. 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.
  • D. Ipswich River
    The Ipswich River is a coastal river in northeastern Massachusetts known for its winding course through wetlands and forests before emptying into Ipswich Bay.
  • E. 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.
  • 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_69aed9645f348190a9868e7cef56ab7e completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69aeec3b8d988190b56d42ac1521e19c completed March 9, 2026, 3:50 p.m.
NED1 Entity disambiguation (via context triple) batch_69b512410f38819089adccf0a476dd8f completed March 14, 2026, 7:46 a.m.
NEDg Description generation batch_69b512f3504c8190be940148a4f726e9 completed March 14, 2026, 7:49 a.m.
NED2 Entity disambiguation (via description) batch_69b5172b369c8190956d7c54943225cd completed March 14, 2026, 8:07 a.m.
Created at: March 9, 2026, 3:19 p.m.