Triple
T14131671
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | El Cerrito, California |
E350181
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object |
El Cerrito del Norte BART station
El Cerrito del Norte BART station is a major Bay Area Rapid Transit hub in El Cerrito, California, providing regional rail service along the Richmond line and extensive bus connections for commuters in the East Bay.
|
E1083020
|
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: El Cerrito del Norte BART station | Statement: [El Cerrito, California, servedBy, El Cerrito del Norte BART station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: El Cerrito del Norte BART station Context triple: [El Cerrito, California, servedBy, El Cerrito del Norte BART station]
-
A.
El Cerrito Plaza BART station
El Cerrito Plaza BART station is an East Bay Rapid Transit rail station in the San Francisco Bay Area that serves the communities of El Cerrito and nearby Albany, California.
-
B.
Rockridge BART station
Rockridge BART station is an elevated rapid transit station in Oakland, California, serving the Rockridge neighborhood on the Bay Area Rapid Transit system.
-
C.
Bay Point BART station
Bay Point BART station is an elevated rapid transit station in Contra Costa County that serves as the eastern terminus of BART’s Yellow Line in the San Francisco Bay Area.
-
D.
Lake Merritt BART station
Lake Merritt BART station is an underground Bay Area Rapid Transit station in Oakland, California, serving the Lake Merritt neighborhood and nearby civic and residential areas.
-
E.
Civic Center/UN Plaza BART station
Civic Center/UN Plaza BART station is a major underground Bay Area Rapid Transit and Muni Metro hub serving San Francisco’s Civic Center area near City Hall and the United Nations Plaza.
- 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: El Cerrito del Norte BART station Triple: [El Cerrito, California, servedBy, El Cerrito del Norte BART station]
Generated description
El Cerrito del Norte BART station is a major Bay Area Rapid Transit hub in El Cerrito, California, providing regional rail service along the Richmond line and extensive bus connections for commuters in the East Bay.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: El Cerrito del Norte BART station Target entity description: El Cerrito del Norte BART station is a major Bay Area Rapid Transit hub in El Cerrito, California, providing regional rail service along the Richmond line and extensive bus connections for commuters in the East Bay.
-
A.
El Cerrito Plaza BART station
El Cerrito Plaza BART station is an East Bay Rapid Transit rail station in the San Francisco Bay Area that serves the communities of El Cerrito and nearby Albany, California.
-
B.
Rockridge BART station
Rockridge BART station is an elevated rapid transit station in Oakland, California, serving the Rockridge neighborhood on the Bay Area Rapid Transit system.
-
C.
Bay Point BART station
Bay Point BART station is an elevated rapid transit station in Contra Costa County that serves as the eastern terminus of BART’s Yellow Line in the San Francisco Bay Area.
-
D.
Lake Merritt BART station
Lake Merritt BART station is an underground Bay Area Rapid Transit station in Oakland, California, serving the Lake Merritt neighborhood and nearby civic and residential areas.
-
E.
Civic Center/UN Plaza BART station
Civic Center/UN Plaza BART station is a major underground Bay Area Rapid Transit and Muni Metro hub serving San Francisco’s Civic Center area near City Hall and the United Nations Plaza.
- 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_69d827865f608190b311820428ae027b |
completed | April 9, 2026, 10:26 p.m. |
| NER | Named-entity recognition | batch_69de610cece88190b4a86500677e5938 |
completed | April 14, 2026, 3:45 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fcf7e485fc8190aad0cce445aaec1a |
completed | May 7, 2026, 8:36 p.m. |
| NEDg | Description generation | batch_69fcfc4571f88190a7ddca8aac0951a8 |
completed | May 7, 2026, 8:55 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69fcfca211d88190a3186a1e65c39b98 |
completed | May 7, 2026, 8:57 p.m. |
Created at: April 9, 2026, 11:16 p.m.