Triple
T14364789
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Lechmere Viaduct |
E356202
|
entity |
| Predicate | hasLocale |
P387
|
FINISHED |
| Object | Charles River Basin |
E191182
|
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: Charles River Basin | Statement: [Lechmere Viaduct, hasLocale, Charles River Basin]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Charles River Basin Context triple: [Lechmere Viaduct, hasLocale, Charles River Basin]
-
A.
Charles River Basin
chosen
The Charles River Basin is a prominent urban waterway and recreational area along the lower Charles River in the Boston–Cambridge area, known for boating, scenic views, and public events.
-
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.
Champlain Valley watershed
The Champlain Valley watershed is the drainage basin that channels water from surrounding highlands, including New York’s Adirondacks and Vermont’s Green Mountains, into Lake Champlain and its connected rivers.
-
D.
Slate River Valley
Slate River Valley is a rural community within the Municipality of Oliver Paipoonge in northwestern Ontario, known for its agricultural landscape and proximity to Thunder Bay.
-
E.
Au Sable River region
The Au Sable River region is a scenic area in northern Michigan known for its clear, fast-flowing river, outdoor recreation, and forested landscapes.
- 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_69d8279163a081908aec45c0e3f1e02f |
completed | April 9, 2026, 10:26 p.m. |
| NER | Named-entity recognition | batch_69de8fad48748190a0f34ca4d02f9a3c |
completed | April 14, 2026, 7:04 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fd4c4cb0c4819094d59b4b1d43588b |
completed | May 8, 2026, 2:37 a.m. |
Created at: April 10, 2026, 1:15 a.m.