Triple
T9008737
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pitt Meadows |
E215411
|
entity |
| Predicate | locatedInRegion |
P40
|
FINISHED |
| Object | Lower Mainland |
E205555
|
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: Lower Mainland | Statement: [Pitt Meadows, locatedInRegion, Lower Mainland]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lower Mainland Context triple: [Pitt Meadows, locatedInRegion, Lower Mainland]
-
A.
Lower Mainland
chosen
The Lower Mainland is a densely populated region of southwestern British Columbia centered on Greater Vancouver, known as the province’s main urban, economic, and transportation hub.
-
B.
Fraser Valley
Fraser Valley is a region in southwestern British Columbia, Canada, known for its fertile agricultural land, growing suburban communities, and proximity to the Greater Vancouver area.
-
C.
Greater Vancouver Regional District
Greater Vancouver Regional District was the former name of Metro Vancouver, the regional governing body that coordinates services and planning for the metropolitan area surrounding Vancouver, British Columbia.
-
D.
South Vancouver
South Vancouver is a primarily residential district in the southern part of Vancouver, British Columbia, known for its diverse communities, parks, and proximity to the Fraser River.
-
E.
South Surrey–White Rock area
The South Surrey–White Rock area is a suburban coastal region in Metro Vancouver, British Columbia, known for its residential communities, beaches, and proximity to the U.S. border.
- 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_69ca83a2bf088190986ee7a8eb90407d |
completed | March 30, 2026, 2:07 p.m. |
| NER | Named-entity recognition | batch_69cc69bed8588190afc9cbca12b75a3b |
completed | April 1, 2026, 12:41 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d065b8e9fc8190b1eff91f2048e771 |
completed | April 4, 2026, 1:13 a.m. |
Created at: March 30, 2026, 7:06 p.m.