Triple
T4241815
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | North Central Service |
E95430
|
entity |
| Predicate | endPoint |
P390
|
FINISHED |
| Object |
Antioch station
Antioch station is a Metra commuter rail terminus in Antioch, Illinois, serving as the northern endpoint of the North Central Service line to Chicago.
|
E425252
|
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: Antioch station | Statement: [North Central Service, endPoint, Antioch station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Antioch station Context triple: [North Central Service, endPoint, Antioch station]
-
A.
Noyes station
Noyes station is an elevated Chicago Transit Authority 'L' station on the Purple Line serving the Evanston area north of Chicago.
-
B.
Dorsey station
Dorsey station is a commuter rail stop in Maryland served by MARC’s Camden Line between Washington, D.C., and Baltimore.
-
C.
Ardmore Station
Ardmore Station is a commuter rail station in Ardmore, Pennsylvania, serving Amtrak and SEPTA trains along the busy Keystone Corridor between Philadelphia and Harrisburg.
-
D.
Cecil B. Moore station
Cecil B. Moore station is a subway stop on Philadelphia’s Broad Street Line serving the Temple University area and surrounding North Philadelphia neighborhoods.
-
E.
Thompson Square station
Thompson Square station was a former railway station in Wellington, New Zealand, that was closed and superseded by the more modern Wellington railway station.
- 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: Antioch station Triple: [North Central Service, endPoint, Antioch station]
Generated description
Antioch station is a Metra commuter rail terminus in Antioch, Illinois, serving as the northern endpoint of the North Central Service line to Chicago.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Antioch station Target entity description: Antioch station is a Metra commuter rail terminus in Antioch, Illinois, serving as the northern endpoint of the North Central Service line to Chicago.
-
A.
Noyes station
Noyes station is an elevated Chicago Transit Authority 'L' station on the Purple Line serving the Evanston area north of Chicago.
-
B.
Dorsey station
Dorsey station is a commuter rail stop in Maryland served by MARC’s Camden Line between Washington, D.C., and Baltimore.
-
C.
Ardmore Station
Ardmore Station is a commuter rail station in Ardmore, Pennsylvania, serving Amtrak and SEPTA trains along the busy Keystone Corridor between Philadelphia and Harrisburg.
-
D.
Cecil B. Moore station
Cecil B. Moore station is a subway stop on Philadelphia’s Broad Street Line serving the Temple University area and surrounding North Philadelphia neighborhoods.
-
E.
Thompson Square station
Thompson Square station was a former railway station in Wellington, New Zealand, that was closed and superseded by the more modern Wellington railway station.
- 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_69b3453d91548190b4d4ef8fe52aa2ac |
completed | March 12, 2026, 10:59 p.m. |
| NER | Named-entity recognition | batch_69b34e891bc08190831187da4f553f48 |
completed | March 12, 2026, 11:38 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b5a872fd6881908a3fbe37e7c35c92 |
completed | March 14, 2026, 6:26 p.m. |
| NEDg | Description generation | batch_69b5a8e024a081909e7ecbe969793281 |
completed | March 14, 2026, 6:28 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69b5acefd1f881908226ff68a741552b |
completed | March 14, 2026, 6:46 p.m. |
Created at: March 12, 2026, 11:05 p.m.