Triple
T4446620
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amtrak Philadelphia to Wilmington line |
E96303
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object | Chester Transportation Center |
E188758
|
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: Chester Transportation Center | Statement: [Amtrak Philadelphia to Wilmington line, hasStation, Chester Transportation Center]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chester Transportation Center Context triple: [Amtrak Philadelphia to Wilmington line, hasStation, Chester Transportation Center]
-
A.
Chester Transportation Center
chosen
Chester Transportation Center is a major multimodal transit hub in Chester, Pennsylvania, serving regional rail, bus, and other public transportation services.
-
B.
Darby Transportation Center
Darby Transportation Center is a public transit hub in Darby, Pennsylvania, serving as a key interchange point for SEPTA trolley and bus services.
-
C.
Aurora Transportation Center
Aurora Transportation Center is a major commuter rail and bus hub in Aurora, Illinois, serving as the western terminus for Metra’s BNSF Railway Line and a key regional transit center.
-
D.
Trenton Transit Center
Trenton Transit Center is a major intermodal transportation hub in Trenton, New Jersey, serving NJ Transit, Amtrak, SEPTA, and local bus connections.
-
E.
Wayne Route 23 Transit Center
Wayne Route 23 Transit Center is a New Jersey Transit park-and-ride rail and bus facility in Wayne, New Jersey, providing commuter access to the Montclair-Boonton Line and regional bus 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_69b345415ba481908df738e7174448ba |
completed | March 12, 2026, 10:59 p.m. |
| NER | Named-entity recognition | batch_69b355d1eba08190899d0a3c1684ce4e |
completed | March 13, 2026, 12:09 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b61386df48819080e44a23b9d67d23 |
completed | March 15, 2026, 2:03 a.m. |
Created at: March 12, 2026, 11:32 p.m.