Triple
T19502620
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | North Center, Chicago |
E487940
|
entity |
| Predicate | traversedBy |
P225
|
FINISHED |
| Object | Chicago River North Branch Channel |
—
|
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: Chicago River North Branch Channel | Statement: [North Center, Chicago, traversedBy, Chicago River North Branch Channel]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chicago River North Branch Channel Context triple: [North Center, Chicago, traversedBy, Chicago River North Branch Channel]
-
A.
Chicago River
chosen
The Chicago River is a historically significant waterway in Chicago known for its engineered reversal of flow, its role in the city’s development, and its iconic green dyeing on St. Patrick’s Day.
-
B.
Chicago Sanitary and Ship Canal
The Chicago Sanitary and Ship Canal is a man-made waterway in Illinois that reverses the flow of the Chicago River, diverts wastewater away from Lake Michigan, and serves as a key navigation link between the Great Lakes and the Mississippi River system.
-
C.
South Canal
South Canal is a major water distribution channel in the Phoenix, Arizona area that branches from the Arizona Canal to deliver irrigation and municipal water to surrounding communities.
-
D.
North Canal
North Canal is a waterway in Lawrence, Massachusetts, that played a central role in powering the city’s 19th-century textile mills and shaping its industrial landscape.
-
E.
North Canal
North Canal is an irrigation waterway that forms part of the U.S. Bureau of Reclamation’s Klamath Project, delivering diverted water to agricultural lands in the Klamath Basin.
- 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_69d8e8d9d1c88190b01cd78b8be49384 |
completed | April 10, 2026, 12:11 p.m. |
| NER | Named-entity recognition | batch_69e6350f8d888190a4809c83522933d4 |
completed | April 20, 2026, 2:15 p.m. |
Created at: April 10, 2026, 1:40 p.m.