Triple

T16599
Position Surface form Disambiguated ID Type / Status
Subject Mystic River E329 entity
Predicate managedBy P86 FINISHED
Object Mystic River Watershed Association
Mystic River Watershed Association is a nonprofit environmental organization dedicated to protecting, restoring, and advocating for the Mystic River and its surrounding watershed in Massachusetts.
 E1201 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: Mystic River Watershed Association | Statement: [Mystic River, managedBy, Mystic River Watershed Association]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Mystic River Watershed Association
Context triple: [Mystic River, managedBy, Mystic River Watershed Association]
  • A. Mystic River Reservation
    Mystic River Reservation is a protected public parkland in Massachusetts featuring natural riverfront habitats, recreational trails, and scenic open spaces along the Mystic River.
  • 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. Boston Consortium
    The Boston Consortium is a collaborative association of leading higher education institutions in the Boston area that work together to share resources and improve academic and administrative effectiveness.
  • D. Massachusetts Bay
    Massachusetts Bay is a large inlet of the Atlantic Ocean on the eastern coast of Massachusetts, historically significant as the site of early English colonial settlement in New England.
  • E. Hudson Valley
    Hudson Valley is a scenic region in eastern New York State known for its historic riverfront towns, agriculture and wineries, and proximity to New York City.
  • 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: Mystic River Watershed Association
Triple: [Mystic River, managedBy, Mystic River Watershed Association]
Generated description
Mystic River Watershed Association is a nonprofit environmental organization dedicated to protecting, restoring, and advocating for the Mystic River and its surrounding watershed in Massachusetts.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Mystic River Watershed Association
Target entity description: Mystic River Watershed Association is a nonprofit environmental organization dedicated to protecting, restoring, and advocating for the Mystic River and its surrounding watershed in Massachusetts.
  • A. Mystic River Reservation
    Mystic River Reservation is a protected public parkland in Massachusetts featuring natural riverfront habitats, recreational trails, and scenic open spaces along the Mystic River.
  • 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. Boston Consortium
    The Boston Consortium is a collaborative association of leading higher education institutions in the Boston area that work together to share resources and improve academic and administrative effectiveness.
  • D. Massachusetts Bay
    Massachusetts Bay is a large inlet of the Atlantic Ocean on the eastern coast of Massachusetts, historically significant as the site of early English colonial settlement in New England.
  • E. Hudson Valley
    Hudson Valley is a scenic region in eastern New York State known for its historic riverfront towns, agriculture and wineries, and proximity to New York City.
  • 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_69a23d7ad88c8190bffe8ab091d86642 completed Feb. 28, 2026, 12:57 a.m.
NER Named-entity recognition batch_69a2465c52d8819082bb02b8b539d6ab completed Feb. 28, 2026, 1:35 a.m.
NED1 Entity disambiguation (via context triple) batch_69a248e73c6c8190a83d10709aa3f9c7 completed Feb. 28, 2026, 1:46 a.m.
NEDg Description generation batch_69a249cbc63881908a99d2f82270b96b completed Feb. 28, 2026, 1:50 a.m.
NED2 Entity disambiguation (via description) batch_69a24a54686c819088cfe99468b2c693 completed Feb. 28, 2026, 1:52 a.m.
Created at: Feb. 28, 2026, 1:02 a.m.