Triple
T8977229
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Berwyn, Pennsylvania |
E214421
|
entity |
| Predicate | hasRailStation |
P726
|
FINISHED |
| Object |
Berwyn station
Berwyn station is a commuter rail stop in Berwyn, Pennsylvania, serving passengers on SEPTA's Paoli/Thorndale Line in the Philadelphia suburbs.
|
E769749
|
NE FINISHED |
How this triple was built (4 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: Berwyn station | Statement: [Berwyn, Pennsylvania, hasRailStation, Berwyn station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Berwyn station Context triple: [Berwyn, Pennsylvania, hasRailStation, Berwyn station]
-
A.
Berwyn station
Berwyn station is a commuter rail stop in Berwyn, Illinois, served by Metra trains on the BNSF Railway Line connecting the suburb to downtown Chicago.
-
B.
Palos Heights station
Palos Heights station is a commuter rail stop in Palos Heights, Illinois, serving passengers on Metra’s SouthWest Service line between Chicago and its southwestern suburbs.
-
C.
Glenview station
Glenview station is a commuter rail station in Glenview, Illinois, serving as a stop for Metra and Amtrak trains in the Chicago metropolitan area.
-
D.
Vernon Hills station
Vernon Hills station is a commuter rail stop in Vernon Hills, Illinois, served by Metra’s North Central Service line connecting the northern suburbs to downtown Chicago.
-
E.
Elmwood Park station
Elmwood Park station is a commuter rail stop in Elmwood Park, Illinois, serving passengers on Metra’s Milwaukee District/West Line in the Chicago metropolitan area.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Berwyn station Triple: [Berwyn, Pennsylvania, hasRailStation, Berwyn station]
Generated description
Berwyn station is a commuter rail stop in Berwyn, Pennsylvania, serving passengers on SEPTA's Paoli/Thorndale Line in the Philadelphia suburbs.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Berwyn station Target entity description: Berwyn station is a commuter rail stop in Berwyn, Pennsylvania, serving passengers on SEPTA's Paoli/Thorndale Line in the Philadelphia suburbs.
-
A.
Berwyn station
Berwyn station is a commuter rail stop in Berwyn, Illinois, served by Metra trains on the BNSF Railway Line connecting the suburb to downtown Chicago.
-
B.
Palos Heights station
Palos Heights station is a commuter rail stop in Palos Heights, Illinois, serving passengers on Metra’s SouthWest Service line between Chicago and its southwestern suburbs.
-
C.
Glenview station
Glenview station is a commuter rail station in Glenview, Illinois, serving as a stop for Metra and Amtrak trains in the Chicago metropolitan area.
-
D.
Vernon Hills station
Vernon Hills station is a commuter rail stop in Vernon Hills, Illinois, served by Metra’s North Central Service line connecting the northern suburbs to downtown Chicago.
-
E.
Elmwood Park station
Elmwood Park station is a commuter rail stop in Elmwood Park, Illinois, serving passengers on Metra’s Milwaukee District/West Line in the Chicago metropolitan area.
- F. None of above. chosen
Provenance (5 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_69ca839ea8b88190922c6a326ffcc0d3 |
completed | March 30, 2026, 2:07 p.m. |
| NER | Named-entity recognition | batch_69cc67a33c8481909125acf4b7f0a919 |
completed | April 1, 2026, 12:32 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cfc96e7eb48190a3df410b1544b997 |
completed | April 3, 2026, 2:06 p.m. |
| NEDg | Description generation | batch_69cfca6202a4819090404b7893a31ba7 |
completed | April 3, 2026, 2:10 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69cfcaeaf24c81908daadfe954413778 |
completed | April 3, 2026, 2:12 p.m. |
Created at: March 30, 2026, 7:02 p.m.