Triple
T143448
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | SEPTA Regional Rail |
E2901
|
entity |
| Predicate | hasLine |
P35
|
FINISHED |
| Object |
Fox Chase Line
The Fox Chase Line is a commuter rail service in Philadelphia that connects Center City with the Fox Chase neighborhood as part of SEPTA's Regional Rail network.
|
E28015
|
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 Line | Statement: [SEPTA Regional Rail, hasLine, Fox Chase Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Fox Chase Line Context triple: [SEPTA Regional Rail, hasLine, Fox Chase Line]
-
A.
White Plains Road Line
The White Plains Road Line is a major New York City Subway route in the Bronx, primarily served by the 2 and 5 trains and running along White Plains Road.
-
B.
Pelham Line
The Pelham Line is a New York City Subway route in the Bronx and Manhattan, operated by the IRT division and primarily served by the 6 train.
-
C.
Flushing Line
The Flushing Line is a New York City Subway service in Queens and Manhattan, best known today as the 7 train running between Flushing–Main Street and Hudson Yards.
-
D.
Red Line
Red Line is a major rapid transit route in the Washington Metro system, running through key areas of Washington, D.C., and its Maryland suburbs.
-
E.
Red Line
The Red Line is a major rapid transit route in Chicago that runs north–south through the city, serving as one of the busiest lines in its subway and elevated rail system.
- 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 Line Triple: [SEPTA Regional Rail, hasLine, Fox Chase Line]
Generated description
The Fox Chase Line is a commuter rail service in Philadelphia that connects Center City with the Fox Chase neighborhood as part of SEPTA's Regional Rail network.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Fox Chase Line Target entity description: The Fox Chase Line is a commuter rail service in Philadelphia that connects Center City with the Fox Chase neighborhood as part of SEPTA's Regional Rail network.
-
A.
White Plains Road Line
The White Plains Road Line is a major New York City Subway route in the Bronx, primarily served by the 2 and 5 trains and running along White Plains Road.
-
B.
Pelham Line
The Pelham Line is a New York City Subway route in the Bronx and Manhattan, operated by the IRT division and primarily served by the 6 train.
-
C.
Flushing Line
The Flushing Line is a New York City Subway service in Queens and Manhattan, best known today as the 7 train running between Flushing–Main Street and Hudson Yards.
-
D.
Red Line
Red Line is a major rapid transit route in the Washington Metro system, running through key areas of Washington, D.C., and its Maryland suburbs.
-
E.
Red Line
The Red Line is a major rapid transit route in Chicago that runs north–south through the city, serving as one of the busiest lines in its subway and elevated rail system.
- 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_69a2521e35c08190b28e5c9f1e3c9b59 |
completed | Feb. 28, 2026, 2:25 a.m. |
| NER | Named-entity recognition | batch_69a257caf678819092e975d5167f9df4 |
completed | Feb. 28, 2026, 2:49 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a347634d58819096655bcdc1378780 |
completed | Feb. 28, 2026, 7:52 p.m. |
| NEDg | Description generation | batch_69a34a03368881908f2022d81d0acc72 |
completed | Feb. 28, 2026, 8:03 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69a34a6c4c8c8190b483c52898e84f55 |
completed | Feb. 28, 2026, 8:05 p.m. |
Created at: Feb. 28, 2026, 2:31 a.m.