Triple
T16822046
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | The Castro (San Francisco) |
E408916
|
entity |
| Predicate | servedByTransit |
P82
|
FINISHED |
| Object | F Market & Wharves historic streetcar line |
E363842
|
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: F Market & Wharves historic streetcar line | Statement: [The Castro (San Francisco), servedByTransit, F Market & Wharves historic streetcar line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: F Market & Wharves historic streetcar line Context triple: [The Castro (San Francisco), servedByTransit, F Market & Wharves historic streetcar line]
-
A.
F Market & Wharves historic streetcar line
chosen
The F Market & Wharves historic streetcar line is a San Francisco transit route that operates vintage streetcars along Market Street and the Embarcadero, serving both daily commuters and tourists.
-
B.
Portland Streetcar
Portland Streetcar is a modern urban streetcar transit system serving central Portland, Oregon, connecting key neighborhoods, employment centers, and educational institutions.
-
C.
Mattapan Trolley
The Mattapan Trolley is a historic light rail line in Boston that operates vintage PCC streetcars between Ashmont and Mattapan stations.
-
D.
York streetcar system
The York streetcar system was a historic electric trolley network that once provided urban public transit service in York, Pennsylvania.
-
E.
Chester streetcar system
The Chester streetcar system was a historic electric trolley network that once provided urban public transit service in and around Chester, Pennsylvania.
- 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_69d88394566c8190b3dcbdc72935f7fa |
completed | April 10, 2026, 4:59 a.m. |
| NER | Named-entity recognition | batch_69e3b2e77ab88190be1ec8179251864e |
completed | April 18, 2026, 4:35 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a00b29a3854819099eed580eea5d84d |
completed | May 10, 2026, 4:30 p.m. |
Created at: April 10, 2026, 5:23 a.m.