Triple
T343097
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Powell–Mason line |
E6879
|
entity |
| Predicate | terminus |
P388
|
FINISHED |
| Object | Mason Street terminal |
E61603
|
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: Mason Street terminal | Statement: [Powell–Mason line, terminus, Mason Street terminal]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Mason Street terminal Context triple: [Powell–Mason line, terminus, Mason Street terminal]
-
A.
Hyde Street terminal
chosen
Hyde Street terminal is the northern endpoint of San Francisco’s historic Powell–Hyde cable car line, located near Fisherman’s Wharf and the city’s waterfront.
-
B.
St. George Terminal
St. George Terminal is the main Staten Island Ferry hub in St. George, Staten Island, connecting the borough to Lower Manhattan and serving as a key transit and commercial center.
-
C.
Park Street station
Park Street station is a major downtown Boston transit hub on the MBTA system, serving multiple Green Line branches and providing connections to the Red Line.
-
D.
Crescent Street station
Crescent Street station is a New York City Subway station in Brooklyn served by the J train.
-
E.
Concourse B Station
Concourse B Station is an AeroTrain passenger rail stop serving Concourse B at Washington Dulles International Airport, providing automated transit between terminals.
- 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_69a2e7951ba08190960e90823b5078f3 |
completed | Feb. 28, 2026, 1:03 p.m. |
| NER | Named-entity recognition | batch_69a2eb0019088190a9b969c4287dc4fa |
completed | Feb. 28, 2026, 1:17 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a49848877881909ace940c0325bc4a |
completed | March 1, 2026, 7:49 p.m. |
Created at: Feb. 28, 2026, 1:08 p.m.