Triple
T593433
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Loop |
E17325
|
entity |
| Predicate | hasMajorStation |
P1071
|
FINISHED |
| Object |
LaSalle Street Station
LaSalle Street Station is a major commuter rail terminal in Chicago’s Loop that primarily serves Metra’s Rock Island District line.
|
E87553
|
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: LaSalle Street Station | Statement: [Loop, hasMajorStation, LaSalle Street Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: LaSalle Street Station Context triple: [Loop, hasMajorStation, LaSalle Street Station]
-
A.
Chicago Union Station
Chicago Union Station is a major intercity and commuter rail terminal in downtown Chicago that serves as a central hub for Amtrak and regional rail services.
-
B.
Van Buren Street Metra station
Van Buren Street Metra station is a downtown Chicago commuter rail station on the Metra Electric District line, located near Grant Park and serving the city's Loop business district.
-
C.
Lombard–South station
Lombard–South station is an underground rapid transit stop on SEPTA’s Broad Street Line serving the South Philadelphia area of Philadelphia, Pennsylvania.
-
D.
Cecil B. Moore station
Cecil B. Moore station is a subway stop on Philadelphia’s Broad Street Line serving the Temple University area and surrounding North Philadelphia neighborhoods.
-
E.
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.
- 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: LaSalle Street Station Triple: [Loop, hasMajorStation, LaSalle Street Station]
Generated description
LaSalle Street Station is a major commuter rail terminal in Chicago’s Loop that primarily serves Metra’s Rock Island District line.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: LaSalle Street Station Target entity description: LaSalle Street Station is a major commuter rail terminal in Chicago’s Loop that primarily serves Metra’s Rock Island District line.
-
A.
Chicago Union Station
Chicago Union Station is a major intercity and commuter rail terminal in downtown Chicago that serves as a central hub for Amtrak and regional rail services.
-
B.
Van Buren Street Metra station
Van Buren Street Metra station is a downtown Chicago commuter rail station on the Metra Electric District line, located near Grant Park and serving the city's Loop business district.
-
C.
Lombard–South station
Lombard–South station is an underground rapid transit stop on SEPTA’s Broad Street Line serving the South Philadelphia area of Philadelphia, Pennsylvania.
-
D.
Cecil B. Moore station
Cecil B. Moore station is a subway stop on Philadelphia’s Broad Street Line serving the Temple University area and surrounding North Philadelphia neighborhoods.
-
E.
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.
- 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_69a49379d09c8190ac7e00b24e2810b1 |
completed | March 1, 2026, 7:28 p.m. |
| NER | Named-entity recognition | batch_69a49d2a5f5481908bb9a71ff0f534d4 |
completed | March 1, 2026, 8:10 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a64a48e53081908e5d5e093edb5e75 |
completed | March 3, 2026, 2:41 a.m. |
| NEDg | Description generation | batch_69a64ad340348190bec2454d5e1c0fa9 |
completed | March 3, 2026, 2:43 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a64b4e9cec8190a3dcc378f853be0d |
completed | March 3, 2026, 2:45 a.m. |
Created at: March 1, 2026, 7:33 p.m.