Triple
T6472402
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Metra SouthWest Service |
E145985
|
entity |
| Predicate | usesStation |
P726
|
FINISHED |
| Object |
Lockport station
Lockport station is a commuter rail stop in Lockport, Illinois, served by Metra’s SouthWest Service line connecting the suburb to downtown Chicago.
|
E596573
|
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: Lockport station | Statement: [Metra SouthWest Service, usesStation, Lockport station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lockport station Context triple: [Metra SouthWest Service, usesStation, Lockport station]
-
A.
Northport station
Northport station is a Long Island Rail Road commuter rail stop in Northport, New York, serving passengers on the Port Jefferson Branch.
-
B.
Monroe station
Monroe station is a Chicago 'L' rapid transit stop located in the Loop, serving downtown commuters on the city's elevated rail system.
-
C.
Ossining station
Ossining station is a Metro-North Railroad commuter rail stop on the Hudson Line serving the village of Ossining, New York, along the east bank of the Hudson River.
-
D.
Rockport station
Rockport station is a commuter rail station in Rockport, Massachusetts, serving as the eastern endpoint of the MBTA's Rockport Line to and from Boston.
-
E.
Otisville station
Otisville station is a small commuter rail stop in Otisville, New York, served by NJ Transit and Metro-North trains on the Port Jervis Line.
- 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: Lockport station Triple: [Metra SouthWest Service, usesStation, Lockport station]
Generated description
Lockport station is a commuter rail stop in Lockport, Illinois, served by Metra’s SouthWest Service line connecting the suburb to downtown Chicago.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Lockport station Target entity description: Lockport station is a commuter rail stop in Lockport, Illinois, served by Metra’s SouthWest Service line connecting the suburb to downtown Chicago.
-
A.
Northport station
Northport station is a Long Island Rail Road commuter rail stop in Northport, New York, serving passengers on the Port Jefferson Branch.
-
B.
Monroe station
Monroe station is a Chicago 'L' rapid transit stop located in the Loop, serving downtown commuters on the city's elevated rail system.
-
C.
Ossining station
Ossining station is a Metro-North Railroad commuter rail stop on the Hudson Line serving the village of Ossining, New York, along the east bank of the Hudson River.
-
D.
Rockport station
Rockport station is a commuter rail station in Rockport, Massachusetts, serving as the eastern endpoint of the MBTA's Rockport Line to and from Boston.
-
E.
Otisville station
Otisville station is a small commuter rail stop in Otisville, New York, served by NJ Transit and Metro-North trains on the Port Jervis Line.
- 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_69c008fec7408190af7b146dc63d9750 |
completed | March 22, 2026, 3:21 p.m. |
| NER | Named-entity recognition | batch_69c06a3188488190a1b7452ede91ba5e |
completed | March 22, 2026, 10:16 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c6539fe1e08190ae0004ed2113e319 |
completed | March 27, 2026, 9:53 a.m. |
| NEDg | Description generation | batch_69c6564a79b08190818ecd149aa34698 |
completed | March 27, 2026, 10:04 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c6570477348190bdc1f0b2eb781c84 |
completed | March 27, 2026, 10:08 a.m. |
Created at: March 22, 2026, 4:50 p.m.