Triple
T6896524
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | BART Antioch–SFO+Millbrae line |
E159382
|
entity |
| Predicate | connectsSuburbanCommunitiesTo |
P65485
|
FINISHED |
| Object | Downtown San Francisco |
E112174
|
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: Downtown San Francisco | Statement: [BART Antioch–SFO+Millbrae line, connectsSuburbanCommunitiesTo, Downtown San Francisco]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Downtown San Francisco Context triple: [BART Antioch–SFO+Millbrae line, connectsSuburbanCommunitiesTo, Downtown San Francisco]
-
A.
Downtown San Francisco
chosen
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.
-
B.
Financial District (San Francisco)
The Financial District in San Francisco is the city’s primary central business hub, characterized by its dense cluster of skyscrapers, corporate headquarters, and major financial institutions.
-
C.
Civic Center, San Francisco
Civic Center, San Francisco is a historic governmental and cultural district in the heart of the city, known for its grand Beaux-Arts architecture, major civic institutions, and prominent public plazas.
-
D.
East Side of San Francisco
The East Side of San Francisco is a broadly urban, historically working- and middle-class area that includes neighborhoods like the Mission District, known for its dense housing, cultural diversity, and vibrant commercial corridors.
-
E.
North Beach, San Francisco
North Beach, San Francisco is a historic neighborhood known for its Italian heritage, vibrant nightlife, and literary Beat Generation landmarks near the northeastern waterfront of the city.
- 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_69c6883822e0819091e321526f20ae0a |
completed | March 27, 2026, 1:38 p.m. |
| NER | Named-entity recognition | batch_69c6e1cfd8fc81908efb83c061cb8e4f |
completed | March 27, 2026, 8 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c748dfd9608190891c8df48b771e20 |
completed | March 28, 2026, 3:20 a.m. |
Created at: March 27, 2026, 2:24 p.m.