Triple
T11220946
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Castro Valley, California |
E265559
|
entity |
| Predicate | nearbyPark |
P28492
|
FINISHED |
| Object |
Lake Chabot Regional Park
Lake Chabot Regional Park is a popular East Bay recreational area centered around a large reservoir, offering hiking, fishing, boating, and picnicking opportunities amid wooded hills and scenic views.
|
E911415
|
NE FINISHED |
How this triple was built (4 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: Lake Chabot Regional Park | Statement: [Castro Valley, California, nearbyPark, Lake Chabot Regional Park]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lake Chabot Regional Park Context triple: [Castro Valley, California, nearbyPark, Lake Chabot Regional Park]
-
A.
Blue Lake Regional Park
Blue Lake Regional Park is a popular recreational area in the Portland metropolitan region known for its namesake lake, picnic areas, trails, and family-friendly outdoor activities.
-
B.
Briones Regional Park
Briones Regional Park is a large East Bay regional park in the hills of central Contra Costa County, California, known for its open grasslands, oak woodlands, and extensive hiking and equestrian trails.
-
C.
Andrew Molera State Park
Andrew Molera State Park is a coastal California state park in Big Sur known for its undeveloped beaches, scenic hiking trails, and rugged natural landscapes along the Pacific Ocean.
-
D.
Skyline Regional Park
Skyline Regional Park is a desert mountain preserve in Buckeye, Arizona, known for its hiking, biking, and horseback-riding trails with scenic Sonoran Desert views.
-
E.
Hesperia Lake Park
Hesperia Lake Park is a public recreational area in Hesperia, California, known for its fishing lake, camping facilities, and outdoor community events.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Lake Chabot Regional Park Triple: [Castro Valley, California, nearbyPark, Lake Chabot Regional Park]
Generated description
Lake Chabot Regional Park is a popular East Bay recreational area centered around a large reservoir, offering hiking, fishing, boating, and picnicking opportunities amid wooded hills and scenic views.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Lake Chabot Regional Park Target entity description: Lake Chabot Regional Park is a popular East Bay recreational area centered around a large reservoir, offering hiking, fishing, boating, and picnicking opportunities amid wooded hills and scenic views.
-
A.
Blue Lake Regional Park
Blue Lake Regional Park is a popular recreational area in the Portland metropolitan region known for its namesake lake, picnic areas, trails, and family-friendly outdoor activities.
-
B.
Briones Regional Park
Briones Regional Park is a large East Bay regional park in the hills of central Contra Costa County, California, known for its open grasslands, oak woodlands, and extensive hiking and equestrian trails.
-
C.
Andrew Molera State Park
Andrew Molera State Park is a coastal California state park in Big Sur known for its undeveloped beaches, scenic hiking trails, and rugged natural landscapes along the Pacific Ocean.
-
D.
Skyline Regional Park
Skyline Regional Park is a desert mountain preserve in Buckeye, Arizona, known for its hiking, biking, and horseback-riding trails with scenic Sonoran Desert views.
-
E.
Hesperia Lake Park
Hesperia Lake Park is a public recreational area in Hesperia, California, known for its fishing lake, camping facilities, and outdoor community events.
- F. None of above. chosen
Provenance (5 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_69d6aac59460819089b9848b27f57848 |
completed | April 8, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69d7e8eb84c48190b4f3bede254afde2 |
completed | April 9, 2026, 5:59 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e4977cab4481909c6b94ca07cd5e4a |
completed | April 19, 2026, 8:51 a.m. |
| NEDg | Description generation | batch_69e49d37989881909c7e75ddfff06726 |
completed | April 19, 2026, 9:15 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69e49f41a1f8819087cc15527dc7ff63 |
completed | April 19, 2026, 9:24 a.m. |
Created at: April 8, 2026, 9:30 p.m.