Triple
T535400
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | SEPTA rapid transit network |
E12314
|
entity |
| Predicate | connectsHub |
P423
|
FINISHED |
| Object | 69th Street Transportation Center |
E16084
|
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: 69th Street Transportation Center | Statement: [SEPTA rapid transit network, connectsHub, 69th Street Transportation Center]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: 69th Street Transportation Center Context triple: [SEPTA rapid transit network, connectsHub, 69th Street Transportation Center]
-
A.
Sullivan Square station
Sullivan Square station is a major multimodal transit hub in Boston, Massachusetts, serving MBTA Orange Line trains and numerous bus routes that connect the city and surrounding areas.
-
B.
69th Street Transportation Center area
chosen
The 69th Street Transportation Center area is a major transit hub and surrounding district in Upper Darby, Pennsylvania, serving as a key western gateway between the suburbs and Philadelphia.
-
C.
Belmont Center station
Belmont Center station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop located in the commercial center of Belmont, Massachusetts.
-
D.
57th Street–Seventh Avenue station
The 57th Street–Seventh Avenue station is a New York City Subway station in Midtown Manhattan serving the BMT Broadway Line near major cultural and commercial landmarks.
-
E.
13th Street station
13th Street station is a major underground transit stop in Center City Philadelphia serving SEPTA’s Subway–Surface Trolley Lines and connecting to other regional rail and subway services.
- 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_69a4933208e88190891f5debab1b776d |
completed | March 1, 2026, 7:27 p.m. |
| NER | Named-entity recognition | batch_69a49d278cf88190ad1368da91a7014f |
completed | March 1, 2026, 8:10 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a4e3f3f4e08190a625ae085868b191 |
completed | March 2, 2026, 1:12 a.m. |
Created at: March 1, 2026, 7:32 p.m.