Triple
T4108770
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Union Pacific dome cars |
E88517
|
entity |
| Predicate | introducedOnService |
P16163
|
FINISHED |
| Object | City of San Francisco |
E242
|
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: City of San Francisco | Statement: [Union Pacific dome cars, introducedOnService, City of San Francisco]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: City of San Francisco Context triple: [Union Pacific dome cars, introducedOnService, City of San Francisco]
-
A.
San Francisco
chosen
San Francisco is a major coastal city in Northern California known for its hilly landscape, iconic Golden Gate Bridge, and role as a historic center of technology and counterculture.
-
B.
The City by the Bay
The City by the Bay is a historic waterfront city in New Jersey known for its role in early American colonial history and its location along Raritan Bay.
-
C.
Downtown San Francisco
Downtown San Francisco is the city’s central urban core, known for its dense mix of financial, commercial, and historic neighborhoods, including iconic hilltop districts and major cultural landmarks.
-
D.
Embarcadero, San Francisco
Embarcadero, San Francisco is a waterfront district along the city’s eastern shoreline known for its historic piers, scenic promenade, and major landmarks like the Ferry Building.
-
E.
Sausalito
Sausalito is a picturesque waterfront city in Northern California known for its hillside homes, art galleries, and views of the San Francisco Bay.
- 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_69aed9484fb881909146f4c772ad277c |
completed | March 9, 2026, 2:29 p.m. |
| NER | Named-entity recognition | batch_69af0b2c76fc8190b3cd9facfcd6e427 |
completed | March 9, 2026, 6:02 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b5d04bc33c819082cf79f4445610f1 |
completed | March 14, 2026, 9:16 p.m. |
Created at: March 9, 2026, 3:40 p.m.