Triple
T92365
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | SEPTA Subway–Surface Trolley Lines |
E1855
|
entity |
| Predicate | tunnelSection |
P3120
|
FINISHED |
| Object | Market Street subway tunnel |
E13334
|
NE FINISHED |
How this triple was built (3 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 subway tunnel | Statement: [SEPTA Subway–Surface Trolley Lines, tunnelSection, Market Street subway tunnel]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Market Street subway tunnel Context triple: [SEPTA Subway–Surface Trolley Lines, tunnelSection, Market Street subway tunnel]
-
A.
Roosevelt Island Tramway
The Roosevelt Island Tramway is an aerial cable car system in New York City that connects Roosevelt Island to Manhattan, offering both public transit and scenic views of the skyline.
-
B.
40th Street Portal
chosen
40th Street Portal is a major West Philadelphia transit junction where SEPTA’s subway–surface trolley lines emerge from the underground tunnel to continue on surface streets.
-
C.
Fulton Street station
Fulton Street station is a major New York City Subway complex in Lower Manhattan that serves multiple lines and connects to the Fulton Center transit hub.
-
D.
New York City Subway
The New York City Subway is one of the world’s largest and busiest rapid transit systems, serving the five boroughs of New York City with extensive 24/7 underground and elevated rail service.
-
E.
Conley Terminal
Conley Terminal is the primary container shipping facility serving the Port of Boston and New England’s maritime trade.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: tunnelSection Context triple: [SEPTA Subway–Surface Trolley Lines, tunnelSection, Market Street subway tunnel]
-
A.
section
chosen
Indicates that one entity is a distinct part, division, or segment of another entity within a larger whole.
-
B.
transportCorridor
Indicates a route or pathway used to move people, goods, or resources between locations.
-
C.
railwayLine
Indicates that there is a railway line connection or route associated with or passing through the referenced entity.
-
D.
hasTollSegment
Indicates that a route, road, or path includes a segment where a toll must be paid.
-
E.
operatesInSegment
Indicates that an entity conducts its activities or provides its services within a specified market or operational segment.
- F. None of above.
Provenance (4 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_69a24d1a97dc819094e6c021fe9b05a7 |
completed | Feb. 28, 2026, 2:04 a.m. |
| NER | Named-entity recognition | batch_69a2512ef600819084d3c627f0d534f4 |
completed | Feb. 28, 2026, 2:21 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a29e45d6488190bc982137255c79f9 |
completed | Feb. 28, 2026, 7:50 a.m. |
| PD | Predicate disambiguation | batch_69a24eb9a5ac8190b1d1300e8c4e3606 |
completed | Feb. 28, 2026, 2:11 a.m. |
Created at: Feb. 28, 2026, 2:07 a.m.