Triple
T4591124
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chicago Avenue |
E103489
|
entity |
| Predicate | hasLandmarkNearby |
P3449
|
FINISHED |
| Object |
Chicago Avenue station (Metra UP-North line)
Chicago Avenue station (Metra UP-North line) is a commuter rail stop on Metra’s Union Pacific North Line serving passengers in Chicago, Illinois.
|
E454736
|
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: Chicago Avenue station (Metra UP-North line) | Statement: [Chicago Avenue, hasLandmarkNearby, Chicago Avenue station (Metra UP-North line)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chicago Avenue station (Metra UP-North line) Context triple: [Chicago Avenue, hasLandmarkNearby, Chicago Avenue station (Metra UP-North line)]
-
A.
Western Avenue station (Metra)
Western Avenue station (Metra) is a commuter rail stop in Chicago, Illinois, serving Metra’s North Central Service and other lines as part of the city’s regional rail network.
-
B.
Blue Island station (Metra Electric)
Blue Island station (Metra Electric) is a commuter rail station on Metra's Electric District line serving passengers in the suburb of Blue Island, Illinois.
-
C.
Oak Park station (Blue Line)
Oak Park station (Blue Line) is an elevated Chicago Transit Authority rapid transit stop in Oak Park, Illinois, serving the Forest Park branch of the Blue Line.
-
D.
Metra Rock Island District 35th Street station
Metra Rock Island District 35th Street station is a commuter rail stop in Chicago serving the Rock Island District line, located near Guaranteed Rate Field and providing access to the surrounding Bronzeville and Bridgeport areas.
-
E.
Loyola station (Chicago "L")
Loyola station is a Chicago "L" rapid transit stop on the Red Line located in the Rogers Park 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: Chicago Avenue station (Metra UP-North line) Triple: [Chicago Avenue, hasLandmarkNearby, Chicago Avenue station (Metra UP-North line)]
Generated description
Chicago Avenue station (Metra UP-North line) is a commuter rail stop on Metra’s Union Pacific North Line serving passengers in Chicago, Illinois.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Chicago Avenue station (Metra UP-North line) Target entity description: Chicago Avenue station (Metra UP-North line) is a commuter rail stop on Metra’s Union Pacific North Line serving passengers in Chicago, Illinois.
-
A.
Western Avenue station (Metra)
Western Avenue station (Metra) is a commuter rail stop in Chicago, Illinois, serving Metra’s North Central Service and other lines as part of the city’s regional rail network.
-
B.
Blue Island station (Metra Electric)
Blue Island station (Metra Electric) is a commuter rail station on Metra's Electric District line serving passengers in the suburb of Blue Island, Illinois.
-
C.
Oak Park station (Blue Line)
Oak Park station (Blue Line) is an elevated Chicago Transit Authority rapid transit stop in Oak Park, Illinois, serving the Forest Park branch of the Blue Line.
-
D.
Metra Rock Island District 35th Street station
Metra Rock Island District 35th Street station is a commuter rail stop in Chicago serving the Rock Island District line, located near Guaranteed Rate Field and providing access to the surrounding Bronzeville and Bridgeport areas.
-
E.
Loyola station (Chicago "L")
Loyola station is a Chicago "L" rapid transit stop on the Red Line located in the Rogers Park 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_69bd43dccaf08190aa89e9991a289719 |
completed | March 20, 2026, 12:55 p.m. |
| NER | Named-entity recognition | batch_69bd5923c0c88190952137d448d474cf |
completed | March 20, 2026, 2:26 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69bde0cdc7e8819088758c1d6d8e866d |
completed | March 21, 2026, 12:05 a.m. |
| NEDg | Description generation | batch_69bde21999688190afc48da7fa2cd869 |
completed | March 21, 2026, 12:11 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69bde283e1988190bfa3545d2a362294 |
completed | March 21, 2026, 12:12 a.m. |
Created at: March 20, 2026, 1:11 p.m.