Triple
T15748665
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MTS Bus |
E381788
|
entity |
| Predicate | governingBody |
P46
|
FINISHED |
| Object |
San Diego Metropolitan Transit System Board of Directors
The San Diego Metropolitan Transit System Board of Directors is the governing body that sets policy, oversees operations, and makes strategic decisions for public transit services in the San Diego region.
|
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 System Board of Directors | Statement: [MTS Bus, governingBody, San Diego Metropolitan Transit System Board of Directors]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: San Diego Metropolitan Transit System Board of Directors Context triple: [MTS Bus, governingBody, San Diego Metropolitan Transit System Board of Directors]
-
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.
Board of Directors of the San Mateo County Transit District
The Board of Directors of the San Mateo County Transit District is the policy-making and oversight body that directs and supervises the operations, budget, and strategic planning of SamTrans public transportation services in San Mateo County, California.
-
C.
San Francisco Municipal Transportation Agency Board of Directors
The San Francisco Municipal Transportation Agency Board of Directors is the governing body that sets policy and oversees the operation of the city’s public transportation and related mobility services.
-
D.
San Diego City Council
The San Diego City Council is the legislative body of the City of San Diego, responsible for creating local laws, approving budgets, and overseeing city policies and services.
-
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 System Board of Directors Triple: [MTS Bus, governingBody, San Diego Metropolitan Transit System Board of Directors]
Generated description
The San Diego Metropolitan Transit System Board of Directors is the governing body that sets policy, oversees operations, and makes strategic decisions for public transit services in the San Diego region.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: San Diego Metropolitan Transit System Board of Directors Target entity description: The San Diego Metropolitan Transit System Board of Directors is the governing body that sets policy, oversees operations, and makes strategic decisions for public transit services in the San Diego region.
-
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.
Board of Directors of the San Mateo County Transit District
The Board of Directors of the San Mateo County Transit District is the policy-making and oversight body that directs and supervises the operations, budget, and strategic planning of SamTrans public transportation services in San Mateo County, California.
-
C.
San Francisco Municipal Transportation Agency Board of Directors
The San Francisco Municipal Transportation Agency Board of Directors is the governing body that sets policy and oversees the operation of the city’s public transportation and related mobility services.
-
D.
San Diego City Council
The San Diego City Council is the legislative body of the City of San Diego, responsible for creating local laws, approving budgets, and overseeing city policies and services.
-
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_69d86d9e6b44819085d1f6a969ecb74c |
completed | April 10, 2026, 3:25 a.m. |
| NER | Named-entity recognition | batch_69e0502fd3608190b42e647b9c2b41a1 |
completed | April 16, 2026, 2:57 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ff830b85408190b9ae4d6752524b99 |
completed | May 9, 2026, 6:55 p.m. |
| NEDg | Description generation | batch_69ff8388b3588190ae55c123bb19cb2c |
completed | May 9, 2026, 6:57 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ff84125e808190a4d465d9effad639 |
completed | May 9, 2026, 6:59 p.m. |
Created at: April 10, 2026, 4:46 a.m.