Triple
T2930411
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | City Hall station (SEPTA) |
E78946
|
entity |
| Predicate | hasFormerName |
P65
|
FINISHED |
| Object |
Penn Square station
Penn Square station was the original name of what is now SEPTA’s City Hall station, a major underground transit hub in central Philadelphia.
|
E312899
|
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: Penn Square station | Statement: [City Hall station (SEPTA), hasFormerName, Penn Square station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Penn Square station Context triple: [City Hall station (SEPTA), hasFormerName, Penn Square station]
-
A.
North Avenue station
North Avenue station is a transit stop on Baltimore's Light Rail system serving the North Avenue corridor in Baltimore, Maryland.
-
B.
Civic Center station
Civic Center station is a major public transit hub in downtown St. Louis, Missouri, serving MetroLink light rail and numerous bus routes near the Enterprise Center arena.
-
C.
Grand Army Plaza station
Grand Army Plaza station is a New York City Subway station in Brooklyn serving the 2 and 3 lines near the Soldiers' and Sailors' Arch and the northern edge of Prospect Park.
-
D.
Five Points station
Five Points station is the primary transit hub in downtown Atlanta where multiple MARTA rail lines intersect, serving as a major connection point for commuters across the metropolitan area.
-
E.
Pershing Square station
Pershing Square station is an underground rapid transit station in downtown Los Angeles serving the Metro B Line and nearby historic and commercial districts.
- 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: Penn Square station Triple: [City Hall station (SEPTA), hasFormerName, Penn Square station]
Generated description
Penn Square station was the original name of what is now SEPTA’s City Hall station, a major underground transit hub in central Philadelphia.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Penn Square station Target entity description: Penn Square station was the original name of what is now SEPTA’s City Hall station, a major underground transit hub in central Philadelphia.
-
A.
North Avenue station
North Avenue station is a transit stop on Baltimore's Light Rail system serving the North Avenue corridor in Baltimore, Maryland.
-
B.
Civic Center station
Civic Center station is a major public transit hub in downtown St. Louis, Missouri, serving MetroLink light rail and numerous bus routes near the Enterprise Center arena.
-
C.
Grand Army Plaza station
Grand Army Plaza station is a New York City Subway station in Brooklyn serving the 2 and 3 lines near the Soldiers' and Sailors' Arch and the northern edge of Prospect Park.
-
D.
Five Points station
Five Points station is the primary transit hub in downtown Atlanta where multiple MARTA rail lines intersect, serving as a major connection point for commuters across the metropolitan area.
-
E.
Pershing Square station
Pershing Square station is an underground rapid transit station in downtown Los Angeles serving the Metro B Line and nearby historic and commercial districts.
- 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_69ad8b0d40b481908bc2a5fa2e73c3fb |
completed | March 8, 2026, 2:43 p.m. |
| NER | Named-entity recognition | batch_69ad980191388190ac2455a7d9867be3 |
completed | March 8, 2026, 3:38 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b086703868819083eacc3fe392fde1 |
completed | March 10, 2026, 9 p.m. |
| NEDg | Description generation | batch_69b0d21ad8908190bf232b48d8766f59 |
completed | March 11, 2026, 2:23 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69b0d278538481909f573d77cb0338da |
completed | March 11, 2026, 2:24 a.m. |
Created at: March 8, 2026, 2:55 p.m.