Triple
T4241838
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | North Central Service |
E95430
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Round Lake Beach station
Round Lake Beach station is a commuter rail station in Round Lake Beach, Illinois, served by Metra’s North Central Service line connecting the northern suburbs to downtown Chicago.
|
E425258
|
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: Round Lake Beach station | Statement: [North Central Service, hasStation, Round Lake Beach station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Round Lake Beach station Context triple: [North Central Service, hasStation, Round Lake Beach station]
-
A.
Clark/Lake station
Clark/Lake station is a major Chicago 'L' transit hub in the Loop where multiple CTA lines intersect, providing extensive connections across the city.
-
B.
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.
-
C.
Berwyn station
Berwyn station is a commuter rail stop in Berwyn, Illinois, served by Metra trains on the BNSF Railway Line connecting the suburb to downtown Chicago.
-
D.
Oak Forest station
Oak Forest station is a commuter rail stop in Oak Forest, Illinois, serving Metra's Rock Island District line between Chicago and its southwestern suburbs.
-
E.
Angle Lake Station
Angle Lake Station is an elevated Sound Transit Link light rail station in SeaTac, Washington, serving as the southern terminus of the 1 Line near Seattle–Tacoma International Airport.
- 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: Round Lake Beach station Triple: [North Central Service, hasStation, Round Lake Beach station]
Generated description
Round Lake Beach station is a commuter rail station in Round Lake Beach, Illinois, served by Metra’s North Central Service line connecting the northern suburbs to downtown Chicago.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Round Lake Beach station Target entity description: Round Lake Beach station is a commuter rail station in Round Lake Beach, Illinois, served by Metra’s North Central Service line connecting the northern suburbs to downtown Chicago.
-
A.
Clark/Lake station
Clark/Lake station is a major Chicago 'L' transit hub in the Loop where multiple CTA lines intersect, providing extensive connections across the city.
-
B.
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.
-
C.
Berwyn station
Berwyn station is a commuter rail stop in Berwyn, Illinois, served by Metra trains on the BNSF Railway Line connecting the suburb to downtown Chicago.
-
D.
Oak Forest station
Oak Forest station is a commuter rail stop in Oak Forest, Illinois, serving Metra's Rock Island District line between Chicago and its southwestern suburbs.
-
E.
Angle Lake Station
Angle Lake Station is an elevated Sound Transit Link light rail station in SeaTac, Washington, serving as the southern terminus of the 1 Line near Seattle–Tacoma International Airport.
- 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.