Triple
T851240
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pink Line |
E18388
|
entity |
| Predicate | maintenanceYard |
P18851
|
FINISHED |
| Object |
54th Yard
54th Yard is a maintenance and storage facility serving trains on Chicago's Pink Line rapid transit route.
|
E99431
|
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: 54th Yard | Statement: [Pink Line, maintenanceYard, 54th Yard]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: 54th Yard Context triple: [Pink Line, maintenanceYard, 54th Yard]
-
A.
Bailey Yard
Bailey Yard is the world’s largest railroad classification yard, located in North Platte, Nebraska, and serving as a major hub for freight train operations in the United States.
-
B.
Goodale Park
Goodale Park is a historic urban green space and one of the oldest public parks in Columbus, Ohio, known for its scenic pond, walking paths, and community events.
-
C.
SHI Stadium
SHI Stadium is a college football stadium that serves as the home field for the Rutgers University Scarlet Knights.
-
D.
Sherri Parker Lee Stadium
Sherri Parker Lee Stadium is a collegiate softball venue in Knoxville, Tennessee, serving as the home field for the University of Tennessee Lady Volunteers softball team.
-
E.
Soundview Park
Soundview Park is a large waterfront public park in the Bronx, New York City, known for its athletic fields, walking paths, and restored natural wetlands along the Bronx River and East River.
- 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: 54th Yard Triple: [Pink Line, maintenanceYard, 54th Yard]
Generated description
54th Yard is a maintenance and storage facility serving trains on Chicago's Pink Line rapid transit route.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: 54th Yard Target entity description: 54th Yard is a maintenance and storage facility serving trains on Chicago's Pink Line rapid transit route.
-
A.
Bailey Yard
Bailey Yard is the world’s largest railroad classification yard, located in North Platte, Nebraska, and serving as a major hub for freight train operations in the United States.
-
B.
Goodale Park
Goodale Park is a historic urban green space and one of the oldest public parks in Columbus, Ohio, known for its scenic pond, walking paths, and community events.
-
C.
SHI Stadium
SHI Stadium is a college football stadium that serves as the home field for the Rutgers University Scarlet Knights.
-
D.
Sherri Parker Lee Stadium
Sherri Parker Lee Stadium is a collegiate softball venue in Knoxville, Tennessee, serving as the home field for the University of Tennessee Lady Volunteers softball team.
-
E.
Soundview Park
Soundview Park is a large waterfront public park in the Bronx, New York City, known for its athletic fields, walking paths, and restored natural wetlands along the Bronx River and East River.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: maintenanceYard Context triple: [Pink Line, maintenanceYard, 54th Yard]
-
A.
maintenance
Indicates that an entity performs, requires, or is involved in upkeep, repair, or preservation activities for another entity or system.
-
B.
depot
Indicates that an entity serves as a storage or distribution center location for another entity, such as goods, vehicles, or resources.
-
C.
hasRailYard
chosen
Indicates that one entity possesses, contains, or includes a rail yard as part of its facilities or infrastructure.
-
D.
hasBodyShop
Indicates that one entity operates, owns, or is associated with an auto body repair shop.
-
E.
inService
Indicates that an entity is currently active, operational, or available for use in its intended role or function.
- F. None of above.
Provenance (6 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_69a4938b04208190b82e1df6b572c548 |
completed | March 1, 2026, 7:29 p.m. |
| NER | Named-entity recognition | batch_69a4ac22de288190913714d41e5a8e12 |
completed | March 1, 2026, 9:14 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a792a0666c8190bfc9166d45b4e867 |
completed | March 4, 2026, 2:02 a.m. |
| NEDg | Description generation | batch_69a793563cc881909381f898f240c0bd |
completed | March 4, 2026, 2:05 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a7941add588190913198a7f7b20943 |
completed | March 4, 2026, 2:08 a.m. |
| PD | Predicate disambiguation | batch_69a4aa81ef348190b067f817574e9efe |
completed | March 1, 2026, 9:07 p.m. |
Created at: March 1, 2026, 7:38 p.m.