Triple
T111839
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Los Angeles County Metropolitan Transportation Authority |
E2263
|
entity |
| Predicate | governingBody |
P46
|
FINISHED |
| Object |
Metro Board of Directors
The Metro Board of Directors is the policy-making body that oversees planning, funding, and operation of Los Angeles County’s public transportation system.
|
E11310
|
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: Metro Board of Directors | Statement: [Los Angeles County Metropolitan Transportation Authority, governingBody, Metro Board of Directors]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Metro Board of Directors Context triple: [Los Angeles County Metropolitan Transportation Authority, governingBody, Metro Board of Directors]
-
A.
TriMet Board of Directors
The TriMet Board of Directors is the policy-making and oversight body that directs the operations and strategic decisions of the Portland-area public transit agency TriMet.
-
B.
Portland City Council
The Portland City Council is the elected legislative and policy-making body that oversees municipal governance and services for the city of Portland, Oregon.
-
C.
Washington Metrorail Safety Commission
The Washington Metrorail Safety Commission is an independent oversight agency responsible for monitoring, investigating, and enforcing safety practices across the Washington, D.C. region’s Metrorail transit system.
-
D.
Toronto City Council
Toronto City Council is the municipal legislative body responsible for making bylaws, setting policies, and overseeing the governance of the city of Toronto, Canada.
-
E.
Peninsula Corridor Joint Powers Board
The Peninsula Corridor Joint Powers Board is a public agency formed by Bay Area counties to oversee and manage the Caltrain commuter rail service along the San Francisco Peninsula.
- 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: Metro Board of Directors Triple: [Los Angeles County Metropolitan Transportation Authority, governingBody, Metro Board of Directors]
Generated description
The Metro Board of Directors is the policy-making body that oversees planning, funding, and operation of Los Angeles County’s public transportation system.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Metro Board of Directors Target entity description: The Metro Board of Directors is the policy-making body that oversees planning, funding, and operation of Los Angeles County’s public transportation system.
-
A.
TriMet Board of Directors
The TriMet Board of Directors is the policy-making and oversight body that directs the operations and strategic decisions of the Portland-area public transit agency TriMet.
-
B.
Portland City Council
The Portland City Council is the elected legislative and policy-making body that oversees municipal governance and services for the city of Portland, Oregon.
-
C.
Washington Metrorail Safety Commission
The Washington Metrorail Safety Commission is an independent oversight agency responsible for monitoring, investigating, and enforcing safety practices across the Washington, D.C. region’s Metrorail transit system.
-
D.
Toronto City Council
Toronto City Council is the municipal legislative body responsible for making bylaws, setting policies, and overseeing the governance of the city of Toronto, Canada.
-
E.
Peninsula Corridor Joint Powers Board
The Peninsula Corridor Joint Powers Board is a public agency formed by Bay Area counties to oversee and manage the Caltrain commuter rail service along the San Francisco Peninsula.
- 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_69a24fcdaeb48190a2d796677e4b3281 |
completed | Feb. 28, 2026, 2:15 a.m. |
| NER | Named-entity recognition | batch_69a256ec650c8190bee2067e37065527 |
completed | Feb. 28, 2026, 2:46 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a27c0652508190aa8d569ee7dae7bc |
completed | Feb. 28, 2026, 5:24 a.m. |
| NEDg | Description generation | batch_69a27cc652048190bd6ac1fb6788991a |
completed | Feb. 28, 2026, 5:27 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a27d8de2888190a9f37390d7a4324e |
completed | Feb. 28, 2026, 5:30 a.m. |
Created at: Feb. 28, 2026, 2:20 a.m.