Triple
T11268080
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | San Diego Metropolitan Transit System |
E266739
|
entity |
| Predicate | hasPredecessor |
P97
|
FINISHED |
| Object |
San Diego Metropolitan Transit Development Board
The San Diego Metropolitan Transit Development Board was the former regional agency responsible for planning and overseeing public transit services in the San Diego area before being reorganized into the current San Diego Metropolitan Transit System.
|
E266739
|
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 Diego Metropolitan Transit Development Board | Statement: [San Diego Metropolitan Transit System, hasPredecessor, San Diego Metropolitan Transit Development Board]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: San Diego Metropolitan Transit Development Board Context triple: [San Diego Metropolitan Transit System, hasPredecessor, San Diego Metropolitan Transit Development Board]
-
A.
San Diego Metropolitan Transit System
The San Diego Metropolitan Transit System is the public transportation agency that operates buses and light rail services throughout the San Diego, California metropolitan area.
-
B.
Santa Barbara Metropolitan Transit District
The Santa Barbara Metropolitan Transit District is the primary public bus agency serving Santa Barbara and surrounding communities in California’s South Coast region.
-
C.
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.
-
D.
Riverside Transit Agency
Riverside Transit Agency is a public transportation provider serving Riverside County, California, operating local and regional bus services that connect communities within the county and to neighboring transit systems.
-
E.
San Diego Association of Governments
The San Diego Association of Governments is a regional planning and transportation agency that coordinates land use, transit, and infrastructure policy for the greater San Diego metropolitan area.
- 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 Diego Metropolitan Transit Development Board Triple: [San Diego Metropolitan Transit System, hasPredecessor, San Diego Metropolitan Transit Development Board]
Generated description
The San Diego Metropolitan Transit Development Board was the former regional agency responsible for planning and overseeing public transit services in the San Diego area before being reorganized into the current San Diego Metropolitan Transit System.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: San Diego Metropolitan Transit Development Board Target entity description: The San Diego Metropolitan Transit Development Board was the former regional agency responsible for planning and overseeing public transit services in the San Diego area before being reorganized into the current San Diego Metropolitan Transit System.
-
A.
San Diego Metropolitan Transit System
chosen
The San Diego Metropolitan Transit System is the public transportation agency that operates buses and light rail services throughout the San Diego, California metropolitan area.
-
B.
Santa Barbara Metropolitan Transit District
The Santa Barbara Metropolitan Transit District is the primary public bus agency serving Santa Barbara and surrounding communities in California’s South Coast region.
-
C.
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.
-
D.
Riverside Transit Agency
Riverside Transit Agency is a public transportation provider serving Riverside County, California, operating local and regional bus services that connect communities within the county and to neighboring transit systems.
-
E.
San Diego Association of Governments
The San Diego Association of Governments is a regional planning and transportation agency that coordinates land use, transit, and infrastructure policy for the greater San Diego metropolitan area.
- F. None of above.
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_69d6aac8c2f48190ad0596f1f89f0470 |
completed | April 8, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69d7e94f60d48190bc925c3cb88641a8 |
completed | April 9, 2026, 6 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e4ccd52c20819093e03bba2fd359b7 |
completed | April 19, 2026, 12:38 p.m. |
| NEDg | Description generation | batch_69e4d9ed6a048190ae7476d44cee6a6e |
completed | April 19, 2026, 1:34 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69e4ddb1b4c8819087699bc73610c7f8 |
completed | April 19, 2026, 1:50 p.m. |
Created at: April 8, 2026, 9:31 p.m.