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.