Triple

T20380866
Position Surface form Disambiguated ID Type / Status
Subject Cradock Bridge E497821 entity
Predicate isInWaterBodyBasin P18951 FINISHED
Object Mystic River watershed — NE NERFINISHED

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: [Cradock Bridge, isInWaterBodyBasin, Mystic River watershed]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Mystic River watershed
Context triple: [Cradock Bridge, isInWaterBodyBasin, 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. Charles River watershed
    The Charles River watershed is the drainage basin in eastern Massachusetts that collects water from numerous ponds, streams, and rivers and channels it into the Charles River before it flows into Boston Harbor.
  • C. Saugus River watershed
    The Saugus River watershed is the drainage basin in eastern Massachusetts that collects and channels water from numerous tributaries into the Saugus River before it flows into the Atlantic Ocean.
  • D. Concord River watershed
    The Concord River watershed is a New England river basin in eastern Massachusetts that collects the flow of several tributaries and drains into the Merrimack River system.
  • E. 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.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69e0b4a5b7908190a972e4e7e698ae94 completed April 16, 2026, 10:06 a.m.
NER Named-entity recognition batch_69e678b026e081909541e545886c8380 completed April 20, 2026, 7:04 p.m.
Created at: April 16, 2026, 11:27 a.m.