Triple
T980237
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Irondale, Alabama |
E21149
|
entity |
| Predicate | hasRailYard |
P18851
|
FINISHED |
| Object |
Irondale rail yard
Irondale rail yard is a major freight rail facility in Irondale, Alabama, serving as a key hub for train operations, switching, and cargo handling in the region.
|
E116506
|
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: Irondale rail yard | Statement: [Irondale, Alabama, hasRailYard, Irondale rail yard]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Irondale rail yard Context triple: [Irondale, Alabama, hasRailYard, Irondale rail yard]
-
A.
North Avenue Light Rail Yard
North Avenue Light Rail Yard is a major maintenance, storage, and operations facility serving Baltimore’s Light RailLink system.
-
B.
Barstow Yard
Barstow Yard is a major railroad classification and freight yard in Barstow, California, serving as a key hub for train operations in the region.
-
C.
Wellington Yard
Wellington Yard is a railway yard associated with Wellington station, used for storing, organizing, and managing trains and rolling stock.
-
D.
St. Clair station
St. Clair station is a Toronto Transit Commission subway station on Line 1 in midtown Toronto, serving the St. Clair Avenue and Yonge Street area with connections to streetcar and bus routes.
-
E.
Coney Island Yard
Coney Island Yard is one of the largest New York City Subway maintenance and storage facilities, serving multiple lines in Brooklyn.
- 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: Irondale rail yard Triple: [Irondale, Alabama, hasRailYard, Irondale rail yard]
Generated description
Irondale rail yard is a major freight rail facility in Irondale, Alabama, serving as a key hub for train operations, switching, and cargo handling in the region.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Irondale rail yard Target entity description: Irondale rail yard is a major freight rail facility in Irondale, Alabama, serving as a key hub for train operations, switching, and cargo handling in the region.
-
A.
North Avenue Light Rail Yard
North Avenue Light Rail Yard is a major maintenance, storage, and operations facility serving Baltimore’s Light RailLink system.
-
B.
Barstow Yard
Barstow Yard is a major railroad classification and freight yard in Barstow, California, serving as a key hub for train operations in the region.
-
C.
Wellington Yard
Wellington Yard is a railway yard associated with Wellington station, used for storing, organizing, and managing trains and rolling stock.
-
D.
St. Clair station
St. Clair station is a Toronto Transit Commission subway station on Line 1 in midtown Toronto, serving the St. Clair Avenue and Yonge Street area with connections to streetcar and bus routes.
-
E.
Coney Island Yard
Coney Island Yard is one of the largest New York City Subway maintenance and storage facilities, serving multiple lines in Brooklyn.
- 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_69a493c2b62c8190b616351789ec47f8 |
completed | March 1, 2026, 7:30 p.m. |
| NER | Named-entity recognition | batch_69a4b47b58ec81908d95f151b9af3dae |
completed | March 1, 2026, 9:49 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ac1cde59ac8190a04e3412805bc130 |
completed | March 7, 2026, 12:41 p.m. |
| NEDg | Description generation | batch_69ac1d3b36c08190852dc68a1dc282f2 |
completed | March 7, 2026, 12:42 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ac1ded444c81909a7b9f9e3869bd38 |
completed | March 7, 2026, 12:45 p.m. |
Created at: March 1, 2026, 7:40 p.m.