Triple
T1384218
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Paoli/Thorndale Line |
E29807
|
entity |
| Predicate | terminus |
P388
|
FINISHED |
| Object |
Thorndale station
Thorndale station is a SEPTA Regional Rail station in Thorndale, Pennsylvania, serving as the western endpoint of commuter rail service on the Paoli/Thorndale Line.
|
E169902
|
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: Thorndale station | Statement: [Paoli/Thorndale Line, terminus, Thorndale station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Thorndale station Context triple: [Paoli/Thorndale Line, terminus, Thorndale station]
-
A.
Lechmere station
Lechmere station is a Massachusetts Bay Transportation Authority (MBTA) Green Line light rail station serving the East Cambridge neighborhood of Cambridge, Massachusetts.
-
B.
Rosedale station
Rosedale station is a subway station on Line 1 of the Toronto Transit Commission (TTC) serving the Rosedale neighbourhood in Toronto, Canada.
-
C.
Linden station
Linden station is a Chicago Transit Authority rapid transit station in Wilmette, Illinois, serving as the northern endpoint of the Purple Line.
-
D.
Lawrence station
Lawrence station is a commuter rail stop in Lawrence, Massachusetts, served by the MBTA on its Haverhill Line.
-
E.
Lawrence station
Lawrence station is a Toronto Transit Commission subway station on Line 1 Yonge–University, serving the Lawrence Avenue and Yonge Street area in midtown Toronto.
- 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: Thorndale station Triple: [Paoli/Thorndale Line, terminus, Thorndale station]
Generated description
Thorndale station is a SEPTA Regional Rail station in Thorndale, Pennsylvania, serving as the western endpoint of commuter rail service on the Paoli/Thorndale Line.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Thorndale station Target entity description: Thorndale station is a SEPTA Regional Rail station in Thorndale, Pennsylvania, serving as the western endpoint of commuter rail service on the Paoli/Thorndale Line.
-
A.
Lechmere station
Lechmere station is a Massachusetts Bay Transportation Authority (MBTA) Green Line light rail station serving the East Cambridge neighborhood of Cambridge, Massachusetts.
-
B.
Rosedale station
Rosedale station is a subway station on Line 1 of the Toronto Transit Commission (TTC) serving the Rosedale neighbourhood in Toronto, Canada.
-
C.
Linden station
Linden station is a Chicago Transit Authority rapid transit station in Wilmette, Illinois, serving as the northern endpoint of the Purple Line.
-
D.
Lawrence station
Lawrence station is a commuter rail stop in Lawrence, Massachusetts, served by the MBTA on its Haverhill Line.
-
E.
Lawrence station
Lawrence station is a Toronto Transit Commission subway station on Line 1 Yonge–University, serving the Lawrence Avenue and Yonge Street area in midtown Toronto.
- 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_69a498dc92f8819094a1108f8ac90f43 |
completed | March 1, 2026, 7:51 p.m. |
| NER | Named-entity recognition | batch_69a4c33896548190b44f70c9aaaed9b6 |
completed | March 1, 2026, 10:52 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ad1c97ba748190a227457bcb87a733 |
completed | March 8, 2026, 6:52 a.m. |
| NEDg | Description generation | batch_69ad1d1eccfc81909bdf4df141d1987f |
completed | March 8, 2026, 6:54 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ad1d8cea008190be2557f6804a261f |
completed | March 8, 2026, 6:56 a.m. |
Created at: March 1, 2026, 7:59 p.m.