Triple
T4241833
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | North Central Service |
E95430
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Buffalo Grove station
Buffalo Grove station is a commuter rail stop in Buffalo Grove, Illinois, served by Metra’s North Central Service line connecting the northwest suburbs to downtown Chicago.
|
E428243
|
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: Buffalo Grove station | Statement: [North Central Service, hasStation, Buffalo Grove station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Buffalo Grove station Context triple: [North Central Service, hasStation, Buffalo Grove station]
-
A.
Glenview station
Glenview station is a commuter rail station in Glenview, Illinois, serving as a stop for Metra and Amtrak trains in the Chicago metropolitan area.
-
B.
Elmhurst station
Elmhurst station is a commuter rail stop in Elmhurst, Illinois, on Metra's Union Pacific West Line serving passengers traveling between the western suburbs and downtown Chicago.
-
C.
River Grove station
River Grove station is a commuter rail stop in River Grove, Illinois, served by Metra’s North Central Service line in the Chicago metropolitan area.
-
D.
Park Ridge station
Park Ridge station is a commuter rail stop in Park Ridge, Illinois, serving Metra trains that connect the suburb with Chicago and surrounding areas.
-
E.
Park Ridge station
Park Ridge station is a New Jersey Transit commuter rail stop in Park Ridge, New Jersey, serving passengers on the Pascack Valley 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: Buffalo Grove station Triple: [North Central Service, hasStation, Buffalo Grove station]
Generated description
Buffalo Grove station is a commuter rail stop in Buffalo Grove, Illinois, served by Metra’s North Central Service line connecting the northwest suburbs to downtown Chicago.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Buffalo Grove station Target entity description: Buffalo Grove station is a commuter rail stop in Buffalo Grove, Illinois, served by Metra’s North Central Service line connecting the northwest suburbs to downtown Chicago.
-
A.
Glenview station
Glenview station is a commuter rail station in Glenview, Illinois, serving as a stop for Metra and Amtrak trains in the Chicago metropolitan area.
-
B.
Elmhurst station
Elmhurst station is a commuter rail stop in Elmhurst, Illinois, on Metra's Union Pacific West Line serving passengers traveling between the western suburbs and downtown Chicago.
-
C.
River Grove station
River Grove station is a commuter rail stop in River Grove, Illinois, served by Metra’s North Central Service line in the Chicago metropolitan area.
-
D.
Park Ridge station
Park Ridge station is a commuter rail stop in Park Ridge, Illinois, serving Metra trains that connect the suburb with Chicago and surrounding areas.
-
E.
Park Ridge station
Park Ridge station is a New Jersey Transit commuter rail stop in Park Ridge, New Jersey, serving passengers on the Pascack Valley 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_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_69b5c710c2f081908b9be1da2bdf1b43 |
completed | March 14, 2026, 8:37 p.m. |
| NEDg | Description generation | batch_69b5c79491a48190865aaa674baebd9b |
completed | March 14, 2026, 8:39 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69b5c80ecc7481908deb061969a82c59 |
completed | March 14, 2026, 8:41 p.m. |
Created at: March 12, 2026, 11:05 p.m.