Triple

T5670337
Position Surface form Disambiguated ID Type / Status
Subject Alewife Brook E124958 entity
Predicate partOf P40 FINISHED
Object Mystic River watershed E30307 NE FINISHED

How this triple was built (2 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 | Statement: [Alewife Brook, partOf, Mystic River watershed]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Mystic River watershed
Context triple: [Alewife Brook, partOf, Mystic River watershed]
  • A. Mystic River watershed chosen
    The Mystic River watershed is a drainage basin in the Greater Boston area of Massachusetts that collects water from numerous rivers and streams before emptying into Boston Harbor.
  • B. St. Regis River watershed
    The St. Regis River watershed is a drainage basin in northern New York’s Adirondack region that collects water from numerous lakes and streams, including Upper St. Regis Lake, and channels it into the St. Regis River system.
  • C. Blackstone River watershed
    The Blackstone River watershed is a major New England river basin that drains portions of Massachusetts and Rhode Island, historically central to early American industrialization and mill development.
  • D. Bull Run Watershed
    The Bull Run Watershed is a protected forested drainage basin in the Cascade Range of Oregon that serves as the primary drinking water source for the Portland metropolitan area.
  • E. Bull Run watershed
    The Bull Run watershed is a drainage basin in northern Virginia whose streams and rivers, including Bull Run, shape the local hydrology and landscape around communities such as Manassas.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69c00828906881908966f270b8f130cf completed March 22, 2026, 3:18 p.m.
NER Named-entity recognition batch_69c02349b570819090f754a2f25e4cf3 completed March 22, 2026, 5:13 p.m.
NED1 Entity disambiguation (via context triple) batch_69c04db2c07c8190a3ee489146951d2d completed March 22, 2026, 8:14 p.m.
Created at: March 22, 2026, 3:43 p.m.