Triple
T593431
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Loop |
E17325
|
entity |
| Predicate | hasMajorStation |
P1071
|
FINISHED |
| Object |
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.
|
E86447
|
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: Van Buren Street Metra station | Statement: [Loop, hasMajorStation, Van Buren Street Metra station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Van Buren Street Metra station Context triple: [Loop, hasMajorStation, Van Buren Street Metra station]
-
A.
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.
-
B.
Pattison Avenue station
Pattison Avenue station is a subway station in Philadelphia that serves as the southern terminus of SEPTA’s Broad Street Line, providing access to the South Philadelphia Sports Complex.
-
C.
Jackson Square station
Jackson Square station is an MBTA Orange Line rapid transit stop in Boston, Massachusetts, serving the Mission Hill and Jamaica Plain neighborhoods.
-
D.
Crescent Street station
Crescent Street station is a New York City Subway station in Brooklyn served by the J train.
-
E.
Pearl/Arts District station
Pearl/Arts District station is a Dallas Area Rapid Transit (DART) light rail station serving downtown Dallas and the adjacent Arts District.
- 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: Van Buren Street Metra station Triple: [Loop, hasMajorStation, Van Buren Street Metra station]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Van Buren Street Metra station Target entity description: 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.
-
A.
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.
-
B.
Pattison Avenue station
Pattison Avenue station is a subway station in Philadelphia that serves as the southern terminus of SEPTA’s Broad Street Line, providing access to the South Philadelphia Sports Complex.
-
C.
Jackson Square station
Jackson Square station is an MBTA Orange Line rapid transit stop in Boston, Massachusetts, serving the Mission Hill and Jamaica Plain neighborhoods.
-
D.
Crescent Street station
Crescent Street station is a New York City Subway station in Brooklyn served by the J train.
-
E.
Pearl/Arts District station
Pearl/Arts District station is a Dallas Area Rapid Transit (DART) light rail station serving downtown Dallas and the adjacent Arts District.
- 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_69a6373fbf388190afb01fcfd67f03bf |
completed | March 3, 2026, 1:19 a.m. |
| NEDg | Description generation | batch_69a63b4f47d481909c9d26a28f301120 |
completed | March 3, 2026, 1:37 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a63bd4f4888190a9beffad6d49ec8f |
completed | March 3, 2026, 1:39 a.m. |
Created at: March 1, 2026, 7:33 p.m.