Triple
T6472395
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Metra SouthWest Service |
E145985
|
entity |
| Predicate | usesStation |
P726
|
FINISHED |
| Object |
Orland Park 179th Street station
Orland Park 179th Street station is a commuter rail stop in Orland Park, Illinois, serving passengers on Metra’s SouthWest Service line between Chicago and its southwestern suburbs.
|
E597893
|
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: Orland Park 179th Street station | Statement: [Metra SouthWest Service, usesStation, Orland Park 179th Street station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Orland Park 179th Street station Context triple: [Metra SouthWest Service, usesStation, Orland Park 179th Street station]
-
A.
Orland Park 143rd Street station
Orland Park 143rd Street station is a Metra commuter rail station in Orland Park, Illinois, serving passengers on the SouthWest Service line to and from downtown Chicago.
-
B.
Orland Park 153rd Street station
Orland Park 153rd Street station is a commuter rail stop in Orland Park, Illinois, serving passengers on Metra’s SouthWest Service line between Chicago and its southwestern suburbs.
-
C.
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.
-
D.
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.
-
E.
Branch Avenue station
Branch Avenue station is a Washington Metro rail station in Maryland that serves as the southern terminus of the system’s Green 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: Orland Park 179th Street station Triple: [Metra SouthWest Service, usesStation, Orland Park 179th Street station]
Generated description
Orland Park 179th Street station is a commuter rail stop in Orland Park, Illinois, serving passengers on Metra’s SouthWest Service line between Chicago and its southwestern suburbs.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Orland Park 179th Street station Target entity description: Orland Park 179th Street station is a commuter rail stop in Orland Park, Illinois, serving passengers on Metra’s SouthWest Service line between Chicago and its southwestern suburbs.
-
A.
Orland Park 143rd Street station
Orland Park 143rd Street station is a Metra commuter rail station in Orland Park, Illinois, serving passengers on the SouthWest Service line to and from downtown Chicago.
-
B.
Orland Park 153rd Street station
Orland Park 153rd Street station is a commuter rail stop in Orland Park, Illinois, serving passengers on Metra’s SouthWest Service line between Chicago and its southwestern suburbs.
-
C.
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.
-
D.
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.
-
E.
Branch Avenue station
Branch Avenue station is a Washington Metro rail station in Maryland that serves as the southern terminus of the system’s Green 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_69c66382f9ac81908d9cb444ab596d04 |
completed | March 27, 2026, 11:01 a.m. |
| NEDg | Description generation | batch_69c6646fa43c819085338458113e5bf9 |
completed | March 27, 2026, 11:05 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c664d154dc81908d48056d272c56fa |
completed | March 27, 2026, 11:06 a.m. |
Created at: March 22, 2026, 4:50 p.m.