Calumet-Sag Trail
E362203
The Calumet-Sag Trail is a multi-use recreational path in the Chicago metropolitan area that follows the Cal-Sag Channel, connecting several south suburban communities and regional trail networks.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Calumet-Sag Trail canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3478739 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Calumet-Sag Trail Context triple: [Cal-Sag Channel, nearbyFeature, Calumet-Sag Trail]
-
A.
Putnam Trail
Putnam Trail is a multi-use recreational path in the Bronx that follows the former New York Central Putnam Division rail line through Van Cortlandt Park.
-
B.
Southside Trail
Southside Trail is a multi-use path in Atlanta that forms the southern segment of the Atlanta BeltLine, connecting neighborhoods with green space, transit access, and recreational amenities.
-
C.
Hunt Trail
Hunt Trail is a rugged hiking route that ascends Mount Katahdin in Maine and serves as the northern terminus of the Appalachian Trail.
-
D.
Four Mile Trail
Four Mile Trail is a steep, scenic hiking route in Yosemite National Park that climbs from the valley floor up to Glacier Point, offering expansive views of Yosemite Valley and its famous granite cliffs and waterfalls.
-
E.
Nobles Trail
Nobles Trail was a historic wagon route used by 19th-century emigrants traveling to northern California, serving as an alternative path within the larger California Trail network.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Calumet-Sag Trail Target entity description: The Calumet-Sag Trail is a multi-use recreational path in the Chicago metropolitan area that follows the Cal-Sag Channel, connecting several south suburban communities and regional trail networks.
-
A.
Putnam Trail
Putnam Trail is a multi-use recreational path in the Bronx that follows the former New York Central Putnam Division rail line through Van Cortlandt Park.
-
B.
Southside Trail
Southside Trail is a multi-use path in Atlanta that forms the southern segment of the Atlanta BeltLine, connecting neighborhoods with green space, transit access, and recreational amenities.
-
C.
Hunt Trail
Hunt Trail is a rugged hiking route that ascends Mount Katahdin in Maine and serves as the northern terminus of the Appalachian Trail.
-
D.
Four Mile Trail
Four Mile Trail is a steep, scenic hiking route in Yosemite National Park that climbs from the valley floor up to Glacier Point, offering expansive views of Yosemite Valley and its famous granite cliffs and waterfalls.
-
E.
Nobles Trail
Nobles Trail was a historic wagon route used by 19th-century emigrants traveling to northern California, serving as an alternative path within the larger California Trail network.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
multi-use recreational trail
ⓘ
shared-use path ⓘ |
| category | rail-trail and canal-side trail ⓘ |
| connects |
regional trail networks in the Chicago area
ⓘ
south suburban communities of Chicago area ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| follows | Cal-Sag Channel ⓘ |
| followsWaterway |
Calumet-Sag Channel
ⓘ
linked to:
Calumet River
|
| hasFeature |
connects to other major trails in the region
ⓘ
links multiple communities along the Cal-Sag Channel ⓘ multi-use path separated from motor vehicle traffic ⓘ |
| hasUse |
bicycling
ⓘ
non-motorized transportation ⓘ recreational use ⓘ running ⓘ walking ⓘ |
| intendedFor | recreation and commuting ⓘ |
| locatedIn |
Chicago metropolitan area
ⓘ
Illinois ⓘ |
| maintainedBy | local municipalities and regional agencies in the Chicago area ⓘ |
| namedAfter | Cal-Sag Channel ⓘ |
| partOf | regional trail system of northeastern Illinois ⓘ |
| region | south suburbs of Chicago ⓘ |
| surfaceType | paved ⓘ |
| uses | Cal-Sag Channel right-of-way ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Calumet-Sag Trail Description of subject: The Calumet-Sag Trail is a multi-use recreational path in the Chicago metropolitan area that follows the Cal-Sag Channel, connecting several south suburban communities and regional trail networks.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.