East Fork San Jacinto River
E940004
The East Fork San Jacinto River is a major tributary in southeast Texas that feeds the San Jacinto River system and contributes to the water supply and flood dynamics of the Houston metropolitan area.
All labels observed (1)
| Label | Occurrences |
|---|---|
| East Fork San Jacinto River canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11624140 — 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: East Fork San Jacinto River Context triple: [San Jacinto River, hasTributary, East Fork San Jacinto River]
-
A.
West Fork San Jacinto River
The West Fork San Jacinto River is a major headwater branch of the San Jacinto River in southeast Texas, known for feeding Lake Conroe and contributing significantly to the Houston-area watershed and flooding dynamics.
-
B.
Sisquoc River
The Sisquoc River is a remote, largely undeveloped river in northern Santa Barbara County, California, known for flowing through the rugged Los Padres National Forest and supporting diverse riparian habitats.
-
C.
San Andreas Creek
San Andreas Creek is a watercourse in San Mateo County, California, that drains the eastern slopes of the Santa Cruz Mountains into the San Andreas Reservoir.
-
D.
Santa Paula Creek
Santa Paula Creek is a natural waterway in Ventura County, California, known for running through the city of Santa Paula and contributing to its scenic and recreational landscape.
-
E.
San Luis Obispo Creek
San Luis Obispo Creek is a small coastal stream in California that flows through the city of San Luis Obispo before emptying into the Pacific Ocean near Avila Beach.
- 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: East Fork San Jacinto River Target entity description: The East Fork San Jacinto River is a major tributary in southeast Texas that feeds the San Jacinto River system and contributes to the water supply and flood dynamics of the Houston metropolitan area.
-
A.
West Fork San Jacinto River
The West Fork San Jacinto River is a major headwater branch of the San Jacinto River in southeast Texas, known for feeding Lake Conroe and contributing significantly to the Houston-area watershed and flooding dynamics.
-
B.
Sisquoc River
The Sisquoc River is a remote, largely undeveloped river in northern Santa Barbara County, California, known for flowing through the rugged Los Padres National Forest and supporting diverse riparian habitats.
-
C.
San Andreas Creek
San Andreas Creek is a watercourse in San Mateo County, California, that drains the eastern slopes of the Santa Cruz Mountains into the San Andreas Reservoir.
-
D.
Santa Paula Creek
Santa Paula Creek is a natural waterway in Ventura County, California, known for running through the city of Santa Paula and contributing to its scenic and recreational landscape.
-
E.
San Luis Obispo Creek
San Luis Obispo Creek is a small coastal stream in California that flows through the city of San Luis Obispo before emptying into the Pacific Ocean near Avila Beach.
- F. None of above. chosen
Statements (39)
| Predicate | Object |
|---|---|
| instanceOf |
river
ⓘ
tributary ⓘ |
| affects | flood risk in downstream communities ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| connectedTo | Lake Houston NERFINISHED ⓘ |
| contributesTo |
flood dynamics of Houston metropolitan area
ⓘ
water supply of Houston metropolitan area ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| drainageBasin | San Jacinto River watershed NERFINISHED ⓘ |
| flowsInto | Lake Houston NERFINISHED ⓘ |
| flowsThrough |
Harris County, Texas
NERFINISHED
ⓘ
Liberty County, Texas NERFINISHED ⓘ Montgomery County, Texas NERFINISHED ⓘ |
| hasEnvironmentalIssue |
flood control and management concerns
ⓘ
water quality concerns ⓘ |
| hasFloodplain | East Fork San Jacinto River floodplain ⓘ |
| hasHydrologicalRole | major tributary of San Jacinto River system ⓘ |
| hasName | East Fork San Jacinto River NERFINISHED ⓘ |
| hydrologicalFunction |
stormwater conveyance
ⓘ
surface water drainage ⓘ |
| influences | wetland habitats in its watershed ⓘ |
| locatedIn |
Gulf Coast region of Texas
NERFINISHED
ⓘ
Southeast Texas NERFINISHED ⓘ Texas ⓘ |
| monitoredBy |
Texas environmental agencies
ⓘ
local flood control authorities ⓘ |
| mouth | San Jacinto River NERFINISHED ⓘ |
| mouthLocation | near Lake Houston, Texas ⓘ |
| partOf |
Greater Houston hydrologic system
NERFINISHED
ⓘ
Houston-area drinking water sources ⓘ San Jacinto River basin NERFINISHED ⓘ |
| regionServed | Houston metropolitan area NERFINISHED ⓘ |
| subjectTo | flooding ⓘ |
| tributaryOf | San Jacinto River NERFINISHED ⓘ |
| usedFor |
boating
ⓘ
fishing ⓘ municipal water supply ⓘ recreation ⓘ |
| watercourseSystem | San Jacinto River system 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: East Fork San Jacinto River Description of subject: The East Fork San Jacinto River is a major tributary in southeast Texas that feeds the San Jacinto River system and contributes to the water supply and flood dynamics of the Houston metropolitan area.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.