Triple
T2812050
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Muni F-Market & Wharves line |
E54192
|
entity |
| Predicate | usesInfrastructure |
P6820
|
FINISHED |
| Object | Market Street surface tracks |
E38242
|
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: Market Street surface tracks | Statement: [Muni F-Market & Wharves line, usesInfrastructure, Market Street surface tracks]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Market Street surface tracks Context triple: [Muni F-Market & Wharves line, usesInfrastructure, Market Street surface tracks]
-
A.
Market Street surface tracks
chosen
Market Street surface tracks are the street-level light rail tracks along San Francisco’s Market Street used by historic streetcars and other Muni rail services.
-
B.
Market Street subway
The Market Street subway is a major underground transit corridor in San Francisco that carries both BART and Muni Metro trains beneath Market Street through the city’s downtown.
-
C.
Washington Street surface section
The Washington Street surface section is the above-ground bus rapid transit corridor of Boston’s MBTA Silver Line that runs along Washington Street, serving neighborhoods such as the South End and Roxbury.
-
D.
San Francisco street network
The San Francisco street network is the interconnected system of roads, avenues, and highways that structure transportation and urban movement throughout the city of San Francisco.
-
E.
Portland street network
The Portland street network is the interconnected system of roads, avenues, and transit corridors that structure transportation and urban movement throughout Portland, Oregon.
- 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_69ab49de0af08190b3da69683be1e728 |
completed | March 6, 2026, 9:40 p.m. |
| NER | Named-entity recognition | batch_69abde354a5881908cd3d545f7dda81c |
completed | March 7, 2026, 8:13 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69afce9a76388190a5dce756de2eb59f |
completed | March 10, 2026, 7:56 a.m. |
Created at: March 6, 2026, 9:59 p.m.