Triple
T4039994
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | CTA Orange Line |
E83922
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Midway station
Midway station is a Chicago Transit Authority rapid transit stop on the Orange Line that serves Chicago Midway International Airport.
|
E408826
|
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: Midway station | Statement: [CTA Orange Line, hasStation, Midway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Midway station Context triple: [CTA Orange Line, hasStation, Midway station]
-
A.
Kimball station
Kimball station is an elevated Chicago 'L' train station in the Albany Park neighborhood that serves as the northern endpoint of the Brown Line.
-
B.
Meadowview Station
Meadowview Station is a light rail transit station in Sacramento, California, serving as part of the Sacramento Regional Transit District’s network.
-
C.
Victory Station
Victory Station is a Dallas Area Rapid Transit (DART) light rail and commuter rail station located near the American Airlines Center in Dallas, Texas.
-
D.
Bachman station
Bachman station is a public transit stop in Dallas, Texas, served by DART’s Green Line light rail system.
-
E.
MacArthur station
MacArthur station is a major Bay Area Rapid Transit (BART) hub in Oakland, California, serving as a key transfer point between multiple lines in the system.
- 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: Midway station Triple: [CTA Orange Line, hasStation, Midway station]
Generated description
Midway station is a Chicago Transit Authority rapid transit stop on the Orange Line that serves Chicago Midway International Airport.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Midway station Target entity description: Midway station is a Chicago Transit Authority rapid transit stop on the Orange Line that serves Chicago Midway International Airport.
-
A.
Kimball station
Kimball station is an elevated Chicago 'L' train station in the Albany Park neighborhood that serves as the northern endpoint of the Brown Line.
-
B.
Meadowview Station
Meadowview Station is a light rail transit station in Sacramento, California, serving as part of the Sacramento Regional Transit District’s network.
-
C.
Victory Station
Victory Station is a Dallas Area Rapid Transit (DART) light rail and commuter rail station located near the American Airlines Center in Dallas, Texas.
-
D.
Bachman station
Bachman station is a public transit stop in Dallas, Texas, served by DART’s Green Line light rail system.
-
E.
MacArthur station
MacArthur station is a major Bay Area Rapid Transit (BART) hub in Oakland, California, serving as a key transfer point between multiple lines in the system.
- 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_69aed92f7cf0819098e0539bdcc3767f |
completed | March 9, 2026, 2:29 p.m. |
| NER | Named-entity recognition | batch_69aefb39400881909d0f5430f04e441c |
completed | March 9, 2026, 4:54 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b55649b75c819086b272f56ac73be4 |
completed | March 14, 2026, 12:36 p.m. |
| NEDg | Description generation | batch_69b55a1974348190b6c8ca74fb9da47e |
completed | March 14, 2026, 12:52 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69b55a828d7881908e3e9a14bc77103c |
completed | March 14, 2026, 12:54 p.m. |
Created at: March 9, 2026, 3:37 p.m.