Triple
T9104860
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Lombard Historic Downtown |
E218452
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object |
Lombard Metra station
Lombard Metra station is a commuter rail stop in Lombard, Illinois, providing regional train service that connects the village’s historic downtown with the broader Chicago metropolitan area.
|
E777133
|
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: Lombard Metra station | Statement: [Lombard Historic Downtown, servedBy, Lombard Metra station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lombard Metra station Context triple: [Lombard Historic Downtown, servedBy, Lombard Metra station]
-
A.
Arlington Park Metra station
Arlington Park Metra station is a commuter rail station in Arlington Heights, Illinois, providing access to Chicago’s Metra network for visitors to the nearby Arlington International Racecourse and surrounding suburbs.
-
B.
Hanover Park Metra station
Hanover Park Metra station is a commuter rail station in Hanover Park, Illinois, serving Metra’s Milwaukee District/West Line between Chicago and its northwestern suburbs.
-
C.
Chicago/Franklin station (Chicago "L")
Chicago/Franklin station was a former elevated rapid transit stop on Chicago’s "L" system that operated on the North Side main line near the city’s River North area.
-
D.
Barrington Metra station
Barrington Metra station is a commuter rail station in Barrington, Illinois, serving as a stop on Metra's Union Pacific Northwest Line connecting the suburb to downtown Chicago.
-
E.
Berwyn station (Chicago "L")
Berwyn station is a Chicago "L" rapid transit stop on the Red Line located in the Edgewater neighborhood on the city's North Side.
- 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: Lombard Metra station Triple: [Lombard Historic Downtown, servedBy, Lombard Metra station]
Generated description
Lombard Metra station is a commuter rail stop in Lombard, Illinois, providing regional train service that connects the village’s historic downtown with the broader Chicago metropolitan area.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Lombard Metra station Target entity description: Lombard Metra station is a commuter rail stop in Lombard, Illinois, providing regional train service that connects the village’s historic downtown with the broader Chicago metropolitan area.
-
A.
Arlington Park Metra station
Arlington Park Metra station is a commuter rail station in Arlington Heights, Illinois, providing access to Chicago’s Metra network for visitors to the nearby Arlington International Racecourse and surrounding suburbs.
-
B.
Hanover Park Metra station
Hanover Park Metra station is a commuter rail station in Hanover Park, Illinois, serving Metra’s Milwaukee District/West Line between Chicago and its northwestern suburbs.
-
C.
Chicago/Franklin station (Chicago "L")
Chicago/Franklin station was a former elevated rapid transit stop on Chicago’s "L" system that operated on the North Side main line near the city’s River North area.
-
D.
Barrington Metra station
Barrington Metra station is a commuter rail station in Barrington, Illinois, serving as a stop on Metra's Union Pacific Northwest Line connecting the suburb to downtown Chicago.
-
E.
Berwyn station (Chicago "L")
Berwyn station is a Chicago "L" rapid transit stop on the Red Line located in the Edgewater neighborhood on the city's North Side.
- 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_69ca83db7448819090d0a5de842ef2ac |
completed | March 30, 2026, 2:08 p.m. |
| NER | Named-entity recognition | batch_69cca5714d048190a633caaaa707ac3b |
completed | April 1, 2026, 4:56 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d01840d2488190a14d458aa181cc47 |
completed | April 3, 2026, 7:42 p.m. |
| NEDg | Description generation | batch_69d0196766248190aebda80cbd7d1eef |
completed | April 3, 2026, 7:47 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69d019d76d2481909118b163ce5713f2 |
completed | April 3, 2026, 7:49 p.m. |
Created at: March 30, 2026, 7:15 p.m.