Triple
T1312159
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Fox Chase Line |
E28015
|
entity |
| Predicate | terminus |
P388
|
FINISHED |
| Object |
Fox Chase station
Fox Chase station is a SEPTA Regional Rail terminal in Northeast Philadelphia serving as the endpoint of the Fox Chase Line.
|
E149800
|
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: Fox Chase station | Statement: [Fox Chase Line, terminus, Fox Chase station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Fox Chase station Context triple: [Fox Chase Line, terminus, Fox Chase station]
-
A.
Howard station
Howard station is a major Chicago Transit Authority rail terminal on the city's North Side that serves as a key hub for the Red, Purple, and Yellow Lines.
-
B.
Penn Presbyterian Medical Center
Penn Presbyterian Medical Center is a major teaching hospital in Philadelphia affiliated with the University of Pennsylvania’s health system, known for advanced specialty care and medical research.
-
C.
Kendall/MIT station
Kendall/MIT station is a Massachusetts Bay Transportation Authority Red Line subway stop in Cambridge, Massachusetts, serving the Kendall Square area and the Massachusetts Institute of Technology.
-
D.
Temple University station
Temple University station is a major SEPTA Regional Rail hub in North Philadelphia serving multiple commuter lines and providing access to Temple University's main campus.
-
E.
Bethesda station
Bethesda station is an underground Washington Metro station in Bethesda, Maryland, serving the Red Line and the surrounding downtown commercial district.
- 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: Fox Chase station Triple: [Fox Chase Line, terminus, Fox Chase station]
Generated description
Fox Chase station is a SEPTA Regional Rail terminal in Northeast Philadelphia serving as the endpoint of the Fox Chase Line.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Fox Chase station Target entity description: Fox Chase station is a SEPTA Regional Rail terminal in Northeast Philadelphia serving as the endpoint of the Fox Chase Line.
-
A.
Howard station
Howard station is a major Chicago Transit Authority rail terminal on the city's North Side that serves as a key hub for the Red, Purple, and Yellow Lines.
-
B.
Penn Presbyterian Medical Center
Penn Presbyterian Medical Center is a major teaching hospital in Philadelphia affiliated with the University of Pennsylvania’s health system, known for advanced specialty care and medical research.
-
C.
Kendall/MIT station
Kendall/MIT station is a Massachusetts Bay Transportation Authority Red Line subway stop in Cambridge, Massachusetts, serving the Kendall Square area and the Massachusetts Institute of Technology.
-
D.
Temple University station
Temple University station is a major SEPTA Regional Rail hub in North Philadelphia serving multiple commuter lines and providing access to Temple University's main campus.
-
E.
Bethesda station
Bethesda station is an underground Washington Metro station in Bethesda, Maryland, serving the Red Line and the surrounding downtown commercial district.
- 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_69a498532c3481909223b74af2e578df |
completed | March 1, 2026, 7:49 p.m. |
| NER | Named-entity recognition | batch_69a4c1572b1c8190ab978198c2d655c8 |
completed | March 1, 2026, 10:44 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69acbaeeece08190a805a2f037e709ce |
completed | March 7, 2026, 11:55 p.m. |
| NEDg | Description generation | batch_69acbb74a0e48190b2018b16363afea1 |
completed | March 7, 2026, 11:57 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69acbbcd8c1c8190b58680d7a1ecd982 |
completed | March 7, 2026, 11:59 p.m. |
Created at: March 1, 2026, 7:55 p.m.