Triple
T1797576
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Metrolink (Southern California) |
E39638
|
entity |
| Predicate | memberAgency |
P23339
|
FINISHED |
| Object |
San Bernardino County Transportation Authority
The San Bernardino County Transportation Authority is the public agency responsible for planning, funding, and coordinating transportation projects and services across San Bernardino County in Southern California.
|
E203113
|
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: San Bernardino County Transportation Authority | Statement: [Metrolink (Southern California), memberAgency, San Bernardino County Transportation Authority]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: San Bernardino County Transportation Authority Context triple: [Metrolink (Southern California), memberAgency, San Bernardino County Transportation Authority]
-
A.
North County Transit District
North County Transit District is a public transportation agency serving northern San Diego County, California, operating commuter rail, light rail, and bus services.
-
B.
Riverside County Transportation Commission
Riverside County Transportation Commission is a regional agency in Southern California responsible for planning, funding, and coordinating transportation projects and services, including commuter rail, within Riverside County.
-
C.
Antelope Valley Transit Authority
Antelope Valley Transit Authority is a public transportation agency serving the Antelope Valley region of northern Los Angeles County, including cities such as Palmdale and Lancaster, with local and commuter bus services.
-
D.
Torrance Transit
Torrance Transit is a municipal public bus system serving the city of Torrance and surrounding communities in the South Bay region of Los Angeles County, California.
-
E.
Foothill Transit
Foothill Transit is a public bus transit agency serving communities in the San Gabriel and Pomona Valleys of Los Angeles County, California.
- 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: San Bernardino County Transportation Authority Triple: [Metrolink (Southern California), memberAgency, San Bernardino County Transportation Authority]
Generated description
The San Bernardino County Transportation Authority is the public agency responsible for planning, funding, and coordinating transportation projects and services across San Bernardino County in Southern California.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: San Bernardino County Transportation Authority Target entity description: The San Bernardino County Transportation Authority is the public agency responsible for planning, funding, and coordinating transportation projects and services across San Bernardino County in Southern California.
-
A.
North County Transit District
North County Transit District is a public transportation agency serving northern San Diego County, California, operating commuter rail, light rail, and bus services.
-
B.
Riverside County Transportation Commission
Riverside County Transportation Commission is a regional agency in Southern California responsible for planning, funding, and coordinating transportation projects and services, including commuter rail, within Riverside County.
-
C.
Antelope Valley Transit Authority
Antelope Valley Transit Authority is a public transportation agency serving the Antelope Valley region of northern Los Angeles County, including cities such as Palmdale and Lancaster, with local and commuter bus services.
-
D.
Torrance Transit
Torrance Transit is a municipal public bus system serving the city of Torrance and surrounding communities in the South Bay region of Los Angeles County, California.
-
E.
Foothill Transit
Foothill Transit is a public bus transit agency serving communities in the San Gabriel and Pomona Valleys of Los Angeles County, California.
- 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_69a88632aa588190ba3978fde0db5bbd |
completed | March 4, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69abaffee0f88190aa7a42ef4a4e2bd2 |
completed | March 7, 2026, 4:56 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69adbf5645808190a774d96cfe5c5e58 |
completed | March 8, 2026, 6:26 p.m. |
| NEDg | Description generation | batch_69adbff135188190908058a2e2d41a1e |
completed | March 8, 2026, 6:29 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69adc0832cd881909702f380412702d5 |
completed | March 8, 2026, 6:31 p.m. |
Created at: March 4, 2026, 7:32 p.m.