Triple
T4433357
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Cicero station (Blue Line) |
E95585
|
entity |
| Predicate | isOnCorridor |
P1018
|
FINISHED |
| Object |
O'Hare–Forest Park corridor
The O'Hare–Forest Park corridor is a major transit corridor in the Chicago area served by the Blue Line, connecting O'Hare International Airport with the Forest Park suburb through the city's West Side.
|
E440594
|
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: O'Hare–Forest Park corridor | Statement: [Cicero station (Blue Line), isOnCorridor, O'Hare–Forest Park corridor]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: O'Hare–Forest Park corridor Context triple: [Cicero station (Blue Line), isOnCorridor, O'Hare–Forest Park corridor]
-
A.
Elgin-O'Hare Expressway
The Elgin-O'Hare Expressway is a major suburban Chicago highway corridor that connects communities in DuPage and Cook counties and provides access to O'Hare International Airport.
-
B.
Cermak Road
Cermak Road is a major east–west thoroughfare in the Chicago metropolitan area known for its dense mix of shops, restaurants, and local businesses.
-
C.
Eisenhower Expressway
The Eisenhower Expressway is a major Chicago-area freeway (Interstate 290) that runs west from downtown Chicago, serving as a key commuter and transit corridor through the city's western suburbs.
-
D.
Penn Line
The Penn Line is a MARC commuter rail service in Maryland that runs along the busy Northeast Corridor between Washington, D.C., and Perryville, serving major intermediate stops such as Baltimore.
-
E.
Lake Shore Drive
Lake Shore Drive is a major scenic expressway running along the Lake Michigan shoreline in Chicago, known for connecting the city’s lakefront parks, beaches, and downtown.
- 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: O'Hare–Forest Park corridor Triple: [Cicero station (Blue Line), isOnCorridor, O'Hare–Forest Park corridor]
Generated description
The O'Hare–Forest Park corridor is a major transit corridor in the Chicago area served by the Blue Line, connecting O'Hare International Airport with the Forest Park suburb through the city's West Side.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: O'Hare–Forest Park corridor Target entity description: The O'Hare–Forest Park corridor is a major transit corridor in the Chicago area served by the Blue Line, connecting O'Hare International Airport with the Forest Park suburb through the city's West Side.
-
A.
Elgin-O'Hare Expressway
The Elgin-O'Hare Expressway is a major suburban Chicago highway corridor that connects communities in DuPage and Cook counties and provides access to O'Hare International Airport.
-
B.
Cermak Road
Cermak Road is a major east–west thoroughfare in the Chicago metropolitan area known for its dense mix of shops, restaurants, and local businesses.
-
C.
Eisenhower Expressway
The Eisenhower Expressway is a major Chicago-area freeway (Interstate 290) that runs west from downtown Chicago, serving as a key commuter and transit corridor through the city's western suburbs.
-
D.
Penn Line
The Penn Line is a MARC commuter rail service in Maryland that runs along the busy Northeast Corridor between Washington, D.C., and Perryville, serving major intermediate stops such as Baltimore.
-
E.
Lake Shore Drive
Lake Shore Drive is a major scenic expressway running along the Lake Michigan shoreline in Chicago, known for connecting the city’s lakefront parks, beaches, and downtown.
- 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_69b3453ea2b48190a26f154b3b8fece5 |
completed | March 12, 2026, 10:59 p.m. |
| NER | Named-entity recognition | batch_69b35587bc048190aee8e0ed94b6e064 |
completed | March 13, 2026, 12:08 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b6137171148190b77a6f783d5cf315 |
completed | March 15, 2026, 2:03 a.m. |
| NEDg | Description generation | batch_69b6177d1a588190991fddf506239d22 |
completed | March 15, 2026, 2:20 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69b61b6bc1448190b30d444a821bb1a5 |
completed | March 15, 2026, 2:37 a.m. |
Created at: March 12, 2026, 11:31 p.m.