City of San Diego Lifeguard Service
E558625
The City of San Diego Lifeguard Service is a municipal public safety agency responsible for ocean and bay rescues, prevention, and marine safety operations along San Diego’s coastline.
All labels observed (1)
| Label | Occurrences |
|---|---|
| City of San Diego Lifeguard Service canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5957965 — 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: City of San Diego Lifeguard Service Context triple: [La Jolla Shores Beach, hasLifeguard, City of San Diego Lifeguard Service]
-
A.
Surfside Community Center
Surfside Community Center is a public recreational and gathering facility in Surfside, Florida, offering amenities such as pools, event spaces, and community programs for residents and visitors.
-
B.
Los Angeles County Department of Beaches and Harbors
The Los Angeles County Department of Beaches and Harbors is a county agency responsible for managing and maintaining Los Angeles County’s beaches, marinas, and coastal recreational facilities.
-
C.
Cypress Cove Family Aquatic Park
Cypress Cove Family Aquatic Park is a community water park in Woodridge, Illinois, featuring pools, slides, and family-oriented aquatic attractions.
-
D.
Del Mar City Beach
Del Mar City Beach is a popular Southern California coastal destination known for its wide sandy shoreline, scenic bluffs, and relaxed small-town atmosphere.
-
E.
Sandy Water Park
Sandy Water Park is a popular lakeside leisure and recreation area in Llanelli, Wales, featuring walking paths, wildlife, and family-friendly outdoor activities.
- 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: City of San Diego Lifeguard Service Target entity description: The City of San Diego Lifeguard Service is a municipal public safety agency responsible for ocean and bay rescues, prevention, and marine safety operations along San Diego’s coastline.
-
A.
Surfside Community Center
Surfside Community Center is a public recreational and gathering facility in Surfside, Florida, offering amenities such as pools, event spaces, and community programs for residents and visitors.
-
B.
Los Angeles County Department of Beaches and Harbors
The Los Angeles County Department of Beaches and Harbors is a county agency responsible for managing and maintaining Los Angeles County’s beaches, marinas, and coastal recreational facilities.
-
C.
Cypress Cove Family Aquatic Park
Cypress Cove Family Aquatic Park is a community water park in Woodridge, Illinois, featuring pools, slides, and family-oriented aquatic attractions.
-
D.
Del Mar City Beach
Del Mar City Beach is a popular Southern California coastal destination known for its wide sandy shoreline, scenic bluffs, and relaxed small-town atmosphere.
-
E.
Sandy Water Park
Sandy Water Park is a popular lakeside leisure and recreation area in Llanelli, Wales, featuring walking paths, wildlife, and family-friendly outdoor activities.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
lifeguard agency
ⓘ
municipal agency ⓘ public safety agency ⓘ |
| cooperatesWith |
San Diego Fire-Rescue Department
ⓘ
San Diego Harbor Police ⓘ San Diego Police Department ⓘ United States Coast Guard ⓘ state and federal marine agencies ⓘ |
| country | United States of America ⓘ |
| employs |
bay lifeguards
ⓘ
lifeguard captains ⓘ lifeguard lieutenants ⓘ lifeguard sergeants ⓘ ocean lifeguards ⓘ seasonal lifeguards ⓘ |
| hasFacility |
headquarters facility in San Diego
ⓘ
lifeguard stations ⓘ lifeguard towers ⓘ |
| locatedIn |
California
ⓘ
linked to:
California, United States
San Diego ⓘ |
| operatesIn |
La Jolla coastline
ⓘ
Mission Bay ⓘ Mission Beach coastline ⓘ Ocean Beach coastline ⓘ Pacific Beach coastline ⓘ
linked to:
Pacific Beach
Pacific Ocean coastline of San Diego ⓘ San Diego Bay ⓘ Torrey Pines coastline ⓘ
linked to:
Torrey Pines State Beach
|
| partOf |
City of San Diego government
ⓘ
linked to:
Government of the City of San Diego
|
| providesServiceTo |
residents of San Diego
ⓘ
visitors to San Diego beaches and bays ⓘ |
| responsibleFor |
bay rescues
ⓘ
boating safety enforcement ⓘ cliff rescues ⓘ drowning prevention ⓘ marine firefighting support ⓘ marine safety operations ⓘ medical aid on beaches ⓘ ocean rescues ⓘ public education on beach safety ⓘ search and rescue in marine environments ⓘ surf rescues ⓘ swift-water rescues ⓘ |
| subordinateTo | San Diego Fire-Rescue Department ⓘ |
| usesEquipment |
personal watercraft
ⓘ
radios ⓘ rescue boards ⓘ rescue boats ⓘ rescue trucks ⓘ |
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: City of San Diego Lifeguard Service Description of subject: The City of San Diego Lifeguard Service is a municipal public safety agency responsible for ocean and bay rescues, prevention, and marine safety operations along San Diego’s coastline.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.