Triple
T13562643
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Jackson (CTA Red Line station) |
E323946
|
entity |
| Predicate | connectsSouthTo |
P110372
|
FINISHED |
| Object |
Harrison (CTA Red Line station)
Harrison is a Chicago Transit Authority Red Line subway station located in downtown Chicago near the South Loop and several major educational institutions.
|
E1050470
|
NE FINISHED |
How this triple was built (5 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: Harrison (CTA Red Line station) | Statement: [Jackson (CTA Red Line station), connectsSouthTo, Harrison (CTA Red Line station)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Harrison (CTA Red Line station) Context triple: [Jackson (CTA Red Line station), connectsSouthTo, Harrison (CTA Red Line station)]
-
A.
Howard station (CTA Red Line)
Howard station (CTA Red Line) is a major Chicago Transit Authority rail terminal on the city’s North Side that serves as an interchange between the Red, Purple, and Yellow Lines.
-
B.
Jackson (CTA Red Line station)
Jackson is a major Chicago Transit Authority Red Line subway station located in downtown Chicago’s Loop, serving as a key transfer point within the city’s rapid transit system.
-
C.
Monroe (CTA Red Line station)
Monroe is an underground Chicago 'L' station on the Red Line located in the downtown Loop area.
-
D.
Addison station (CTA Red Line)
Addison station (CTA Red Line) is a Chicago 'L' rapid transit stop on the Red Line located in the Lakeview neighborhood, best known for serving fans attending games and events at nearby Wrigley Field.
-
E.
Jarvis station (CTA Red Line)
Jarvis station (CTA Red Line) is an elevated rapid transit stop on Chicago’s Red Line serving the Rogers Park neighborhood near the city’s northern lakefront.
- 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: Harrison (CTA Red Line station) Triple: [Jackson (CTA Red Line station), connectsSouthTo, Harrison (CTA Red Line station)]
Generated description
Harrison is a Chicago Transit Authority Red Line subway station located in downtown Chicago near the South Loop and several major educational institutions.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Harrison (CTA Red Line station) Target entity description: Harrison is a Chicago Transit Authority Red Line subway station located in downtown Chicago near the South Loop and several major educational institutions.
-
A.
Howard station (CTA Red Line)
Howard station (CTA Red Line) is a major Chicago Transit Authority rail terminal on the city’s North Side that serves as an interchange between the Red, Purple, and Yellow Lines.
-
B.
Jackson (CTA Red Line station)
Jackson is a major Chicago Transit Authority Red Line subway station located in downtown Chicago’s Loop, serving as a key transfer point within the city’s rapid transit system.
-
C.
Monroe (CTA Red Line station)
Monroe is an underground Chicago 'L' station on the Red Line located in the downtown Loop area.
-
D.
Addison station (CTA Red Line)
Addison station (CTA Red Line) is a Chicago 'L' rapid transit stop on the Red Line located in the Lakeview neighborhood, best known for serving fans attending games and events at nearby Wrigley Field.
-
E.
Jarvis station (CTA Red Line)
Jarvis station (CTA Red Line) is an elevated rapid transit stop on Chicago’s Red Line serving the Rogers Park neighborhood near the city’s northern lakefront.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: connectsSouthTo Context triple: [Jackson (CTA Red Line station), connectsSouthTo, Harrison (CTA Red Line station)]
-
A.
southernConnection
Indicates a relationship where one entity is connected to, associated with, or accessed via the southern part or side of another entity.
-
B.
hasSouthernTerminus
Indicates that one entity serves as the southern endpoint or terminus of another entity, such as a route, line, or path.
-
C.
connectsCityTo
Indicates a relationship in which a route, infrastructure, or link joins one city to another, enabling connection or interaction between them.
-
D.
terminusSouthConnection
Indicates a connection where one entity serves as the southern terminus or endpoint of another entity.
-
E.
connectsDowntownTo
Indicates a relationship where one location, route, or service provides a direct connection or access to a downtown area.
- F. None of above. chosen
Provenance (7 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_69d8076830b48190910a902bae5888e2 |
completed | April 9, 2026, 8:09 p.m. |
| NER | Named-entity recognition | batch_69dbbb9ee3f081909056dc1a92c40b7a |
completed | April 12, 2026, 3:34 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f77f8967288190b822ed1e115f85b2 |
completed | May 3, 2026, 5:02 p.m. |
| NEDg | Description generation | batch_69f78125632881908d601ee4c4aaae35 |
completed | May 3, 2026, 5:08 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69f781e32cb48190abc83e65405ac8ac |
completed | May 3, 2026, 5:12 p.m. |
| PD | Predicate disambiguation | batch_69dbae13bec4819084c1770638c00ed9 |
completed | April 12, 2026, 2:37 p.m. |
| PDg | Predicate description generation | batch_69dbbb8c77dc8190b7bd803b5e168d23 |
completed | April 12, 2026, 3:34 p.m. |
Created at: April 9, 2026, 9:47 p.m.