Triple
T5600105
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Princeton Junction |
E147096
|
entity |
| Predicate | hasStationCode |
P1289
|
FINISHED |
| Object |
PJC (Amtrak)
PJC (Amtrak) is the Amtrak station code for Princeton Junction station in New Jersey, a key stop on the Northeast Corridor rail line.
|
E533632
|
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: PJC (Amtrak) | Statement: [Princeton Junction, hasStationCode, PJC (Amtrak)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: PJC (Amtrak) Context triple: [Princeton Junction, hasStationCode, PJC (Amtrak)]
-
A.
SJC (Amtrak)
SJC (Amtrak) is the Amtrak station code for San Jose Diridon, a major passenger rail hub in San Jose, California.
-
B.
Amtrak
Amtrak is the United States’ national passenger railroad service, operating intercity and long-distance trains across much of the country.
-
C.
Amtrak Keystone Service
Amtrak Keystone Service is a passenger rail service operated by Amtrak that runs primarily between New York City and Harrisburg, Pennsylvania, providing frequent regional connections along the Keystone Corridor.
-
D.
Amtrak Piedmont
Amtrak Piedmont is a state-supported passenger train service in North Carolina that operates between Raleigh and Charlotte, connecting several cities along the Piedmont corridor.
-
E.
Amtrak Downeaster
Amtrak Downeaster is a passenger rail service operated by Amtrak that connects Boston with several communities in Maine and New Hampshire.
- 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: PJC (Amtrak) Triple: [Princeton Junction, hasStationCode, PJC (Amtrak)]
Generated description
PJC (Amtrak) is the Amtrak station code for Princeton Junction station in New Jersey, a key stop on the Northeast Corridor rail line.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: PJC (Amtrak) Target entity description: PJC (Amtrak) is the Amtrak station code for Princeton Junction station in New Jersey, a key stop on the Northeast Corridor rail line.
-
A.
SJC (Amtrak)
SJC (Amtrak) is the Amtrak station code for San Jose Diridon, a major passenger rail hub in San Jose, California.
-
B.
Amtrak
Amtrak is the United States’ national passenger railroad service, operating intercity and long-distance trains across much of the country.
-
C.
Amtrak Keystone Service
Amtrak Keystone Service is a passenger rail service operated by Amtrak that runs primarily between New York City and Harrisburg, Pennsylvania, providing frequent regional connections along the Keystone Corridor.
-
D.
Amtrak Piedmont
Amtrak Piedmont is a state-supported passenger train service in North Carolina that operates between Raleigh and Charlotte, connecting several cities along the Piedmont corridor.
-
E.
Amtrak Downeaster
Amtrak Downeaster is a passenger rail service operated by Amtrak that connects Boston with several communities in Maine and New Hampshire.
- 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_69c009043d648190a7af89698ccf1e3e |
completed | March 22, 2026, 3:21 p.m. |
| NER | Named-entity recognition | batch_69c020d936dc8190a2e599f1df9fdd91 |
completed | March 22, 2026, 5:03 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c02873b1dc8190b11a6c069f3e4f7e |
completed | March 22, 2026, 5:35 p.m. |
| NEDg | Description generation | batch_69c035f54f6c8190badbfd800012c399 |
completed | March 22, 2026, 6:33 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69c036f0edb48190bfa74f7f2c9d9ab1 |
completed | March 22, 2026, 6:37 p.m. |
Created at: March 22, 2026, 3:38 p.m.