Old Putnam rail trail system
E806051
The Old Putnam rail trail system is a network of multi-use recreational trails in New York that follows the former New York Central Putnam Division railroad corridor.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Old Putnam Trail | 1 |
| Old Putnam rail trail system canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9533992 — 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: Old Putnam rail trail system Context triple: [Putnam Trail, partOf, Old Putnam rail trail system]
-
A.
Norwottuck Rail Trail
The Norwottuck Rail Trail is a paved multi-use path in western Massachusetts that follows a former railroad corridor, popular for walking, cycling, and recreation.
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B.
Bruce Freeman Rail Trail
The Bruce Freeman Rail Trail is a multi-use recreational path in Massachusetts that follows a former railroad corridor through several communities, offering scenic routes for walking, running, and cycling.
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C.
Oro-Medonte Rail Trail
The Oro-Medonte Rail Trail is a recreational multi-use trail in Oro-Medonte, Ontario, that follows a former railway corridor for activities like walking, cycling, and snowmobiling.
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D.
Nashua River Rail Trail
Nashua River Rail Trail is a scenic multi-use recreational path in Massachusetts that follows the Nashua River along a former railroad corridor, popular for walking, running, and cycling.
-
E.
Wallkill Valley Rail Trail
The Wallkill Valley Rail Trail is a scenic multi-use path in New York’s Hudson Valley that follows a former railroad corridor through towns like New Paltz, offering hiking, biking, and nature viewing.
- 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: Old Putnam rail trail system Target entity description: The Old Putnam rail trail system is a network of multi-use recreational trails in New York that follows the former New York Central Putnam Division railroad corridor.
-
A.
Norwottuck Rail Trail
The Norwottuck Rail Trail is a paved multi-use path in western Massachusetts that follows a former railroad corridor, popular for walking, cycling, and recreation.
-
B.
Bruce Freeman Rail Trail
The Bruce Freeman Rail Trail is a multi-use recreational path in Massachusetts that follows a former railroad corridor through several communities, offering scenic routes for walking, running, and cycling.
-
C.
Oro-Medonte Rail Trail
The Oro-Medonte Rail Trail is a recreational multi-use trail in Oro-Medonte, Ontario, that follows a former railway corridor for activities like walking, cycling, and snowmobiling.
-
D.
Nashua River Rail Trail
Nashua River Rail Trail is a scenic multi-use recreational path in Massachusetts that follows the Nashua River along a former railroad corridor, popular for walking, running, and cycling.
-
E.
Wallkill Valley Rail Trail
The Wallkill Valley Rail Trail is a scenic multi-use path in New York’s Hudson Valley that follows a former railroad corridor through towns like New Paltz, offering hiking, biking, and nature viewing.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
multi-use recreational trail network
ⓘ
rail trail system ⓘ |
| accessCost | free to use ⓘ |
| connectsTo |
commercial areas
ⓘ
local parks ⓘ residential areas ⓘ |
| corridorType | rail-with-trail conversion ⓘ |
| environmentType |
suburban greenway
ⓘ
urban greenway ⓘ |
| follows | New York Central Putnam Division railroad corridor NERFINISHED ⓘ |
| formerRailroadOperator | New York Central Railroad NERFINISHED ⓘ |
| hasFeature |
access points at road intersections
ⓘ
benches and rest areas ⓘ bridges on former rail structures ⓘ road crossings ⓘ wayfinding signage ⓘ |
| hasHistoricalOrigin | defunct Putnam Division rail line ⓘ |
| hasPart |
North County Trailway
NERFINISHED
ⓘ
Putnam Greenway NERFINISHED ⓘ Putnam Trailway NERFINISHED ⓘ South County Trailway NERFINISHED ⓘ Van Cortlandt Park segment of Putnam Trail ⓘ |
| hasUse |
cycling
ⓘ
dog walking ⓘ recreational commuting ⓘ rollerblading ⓘ running ⓘ walking ⓘ |
| intendedFor |
recreation
ⓘ
transportation ⓘ |
| locatedIn |
New York
NERFINISHED
ⓘ
United States of America ⓘ
surface form:
United States
|
| maintainedBy | county and municipal agencies ⓘ |
| openTo |
bicyclists
ⓘ
non-motorized users ⓘ pedestrians ⓘ |
| ownedBy | multiple local governments ⓘ |
| passesThrough |
Bronx
NERFINISHED
ⓘ
Putnam County NERFINISHED ⓘ Westchester County NERFINISHED ⓘ |
| relatedTo | rail trail movement in the United States ⓘ |
| restriction | generally closed to motor vehicles ⓘ |
| supportsActivity |
birdwatching
ⓘ
nature observation ⓘ |
| surfaceType | paved asphalt (on most main segments) ⓘ |
| usesFormerInfrastructureOf | New York Central Putnam Division NERFINISHED ⓘ |
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: Old Putnam rail trail system Description of subject: The Old Putnam rail trail system is a network of multi-use recreational trails in New York that follows the former New York Central Putnam Division railroad corridor.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Old Putnam Trail