Triple
T14889170
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Alameda-Contra Costa Transit District |
E359707
|
entity |
| Predicate | operatesIn |
P82
|
FINISHED |
| Object | San Leandro, California |
E210976
|
NE FINISHED |
How this triple was built (2 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 Leandro, California | Statement: [Alameda-Contra Costa Transit District, operatesIn, San Leandro, California]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: San Leandro, California Context triple: [Alameda-Contra Costa Transit District, operatesIn, San Leandro, California]
-
A.
San Leandro
chosen
San Leandro is a suburban city in the San Francisco Bay Area of California, known for its residential neighborhoods, light industry, and proximity to Oakland.
-
B.
San Ramon, California
San Ramon, California is a suburban city in the San Francisco Bay Area known for its corporate business parks, including the headquarters of Chevron and 24 Hour Fitness, and its location in the San Ramon Valley.
-
C.
Mission Viejo, California
Mission Viejo, California is a master-planned suburban city in southern Orange County known for its residential communities, lake, and family-oriented environment.
-
D.
Alameda, California
Alameda, California is a Bay Area island city adjacent to Oakland known for its historic Victorian architecture, waterfront parks, and residential neighborhoods.
-
E.
East Palo Alto, California
East Palo Alto, California is a small, historically diverse city in San Mateo County in the San Francisco Bay Area, known for its residential neighborhoods and proximity to major tech hubs.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d827980cbc8190a0c569ae3940a1d9 |
completed | April 9, 2026, 10:26 p.m. |
| NER | Named-entity recognition | batch_69ded5f6cf5c8190b6b28f58fafe5d59 |
completed | April 15, 2026, 12:04 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fe968a17188190bced83ed1006e020 |
completed | May 9, 2026, 2:06 a.m. |
Created at: April 10, 2026, 2:09 a.m.