Triple
T5560827
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Keystone Service |
E145760
|
entity |
| Predicate | primaryCorridor |
P3034
|
FINISHED |
| Object |
Harrisburg–Philadelphia–New York City
Harrisburg–Philadelphia–New York City is a major intercity rail corridor in the northeastern United States linking Pennsylvania’s capital with Philadelphia and New York City.
|
E532325
|
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: Harrisburg–Philadelphia–New York City | Statement: [Keystone Service, primaryCorridor, Harrisburg–Philadelphia–New York City]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Harrisburg–Philadelphia–New York City Context triple: [Keystone Service, primaryCorridor, Harrisburg–Philadelphia–New York City]
-
A.
New York–Philadelphia–Pittsburgh–Chicago
New York–Philadelphia–Pittsburgh–Chicago is a major intercity rail corridor linking the U.S. East Coast with the Midwest through several of the nation’s largest cities.
-
B.
New York City–Washington, D.C.
New York City–Washington, D.C. refers to the heavily traveled, fully electrified segment of the Northeast Corridor rail line connecting the two major East Coast cities.
-
C.
Trenton–Camden
Trenton–Camden is a key urban corridor in New Jersey linking the state capital of Trenton with the city of Camden along the Delaware River.
-
D.
Trenton metropolitan area
The Trenton metropolitan area is an urban region centered on Trenton, New Jersey, encompassing the city and its surrounding communities as a hub of government, commerce, and residential life in central New Jersey.
-
E.
Philadelphia–Camden–Wilmington metropolitan statistical area
The Philadelphia–Camden–Wilmington metropolitan statistical area is a major multi-state urban and suburban region centered on Philadelphia, spanning parts of Pennsylvania, New Jersey, Delaware, and Maryland and serving as a key economic and cultural hub of the Mid-Atlantic.
- 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: Harrisburg–Philadelphia–New York City Triple: [Keystone Service, primaryCorridor, Harrisburg–Philadelphia–New York City]
Generated description
Harrisburg–Philadelphia–New York City is a major intercity rail corridor in the northeastern United States linking Pennsylvania’s capital with Philadelphia and New York City.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Harrisburg–Philadelphia–New York City Target entity description: Harrisburg–Philadelphia–New York City is a major intercity rail corridor in the northeastern United States linking Pennsylvania’s capital with Philadelphia and New York City.
-
A.
New York–Philadelphia–Pittsburgh–Chicago
New York–Philadelphia–Pittsburgh–Chicago is a major intercity rail corridor linking the U.S. East Coast with the Midwest through several of the nation’s largest cities.
-
B.
New York City–Washington, D.C.
New York City–Washington, D.C. refers to the heavily traveled, fully electrified segment of the Northeast Corridor rail line connecting the two major East Coast cities.
-
C.
Trenton–Camden
Trenton–Camden is a key urban corridor in New Jersey linking the state capital of Trenton with the city of Camden along the Delaware River.
-
D.
Trenton metropolitan area
The Trenton metropolitan area is an urban region centered on Trenton, New Jersey, encompassing the city and its surrounding communities as a hub of government, commerce, and residential life in central New Jersey.
-
E.
Philadelphia–Camden–Wilmington metropolitan statistical area
The Philadelphia–Camden–Wilmington metropolitan statistical area is a major multi-state urban and suburban region centered on Philadelphia, spanning parts of Pennsylvania, New Jersey, Delaware, and Maryland and serving as a key economic and cultural hub of the Mid-Atlantic.
- 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_69c008fcaf788190bafa02a1917ee73b |
completed | March 22, 2026, 3:21 p.m. |
| NER | Named-entity recognition | batch_69c0201857848190a5443b51bcdb63fa |
completed | March 22, 2026, 5 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c028424ddc8190869b530a8eb43f50 |
completed | March 22, 2026, 5:34 p.m. |
| NEDg | Description generation | batch_69c0349f64c0819083b39d8b7960a393 |
completed | March 22, 2026, 6:27 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69c0354e95808190b4386e2796291dba |
completed | March 22, 2026, 6:30 p.m. |
Created at: March 22, 2026, 3:36 p.m.