Triple

T7393772
Position Surface form Disambiguated ID Type / Status
Subject Cross Street Bridge, Winchester E170568 entity
Predicate situatedInHydrologicalBasin P18951 FINISHED
Object Aberjona River watershed E29695 NE FINISHED

How this triple was built (3 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: Aberjona River watershed | Statement: [Cross Street Bridge, Winchester, situatedInHydrologicalBasin, Aberjona River watershed]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Aberjona River watershed
Context triple: [Cross Street Bridge, Winchester, situatedInHydrologicalBasin, Aberjona River watershed]
  • A. 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.
  • B. 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.
  • C. Mystic River watershed
    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.
  • D. Aberjona River chosen
    The Aberjona River is a small river in eastern Massachusetts that flows through communities such as Winchester and Woburn before joining the Mystic River.
  • E. Merrimack River watershed
    The Merrimack River watershed is the drainage basin in New England that collects water from numerous rivers and streams, ultimately feeding into the Merrimack River.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: situatedInHydrologicalBasin
Context triple: [Cross Street Bridge, Winchester, situatedInHydrologicalBasin, Aberjona River watershed]
  • A. hydrologicallyLocatedIn
    Indicates that a water-related feature (such as a river, lake, or watershed) is situated within or associated with a specific geographic or administrative area in terms of hydrology.
  • B. basinPartOf
    Indicates that one basin is a component or subdivision of a larger basin or basin system.
  • C. associatedRiverBasin
    Indicates that one entity is linked to, or lies within the drainage area of, a particular river basin.
  • D. locatedInBasin chosen
    Indicates that one geographical or hydrological feature lies within the drainage or catchment area of a specified basin.
  • E. basinCountry
    Indicates the country or countries within whose territory a river basin or drainage area is primarily located or through which it significantly extends.
  • F. None of above.

Provenance (4 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_69c68a5e2c9081909e713ce866e0060a completed March 27, 2026, 1:47 p.m.
NER Named-entity recognition batch_69c6f2263b48819089319a2a2f0d3357 completed March 27, 2026, 9:09 p.m.
NED1 Entity disambiguation (via context triple) batch_69c82772400881908d6b11b60a1443bb completed March 28, 2026, 7:09 p.m.
PD Predicate disambiguation batch_69c6f0309cc88190b55d278969400294 completed March 27, 2026, 9:01 p.m.
Created at: March 27, 2026, 3:09 p.m.