Triple
T271761
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Oregon Zoo |
E5648
|
entity |
| Predicate | hasAttraction |
P105
|
FINISHED |
| Object |
Washington Park and Zoo Railway
The Washington Park and Zoo Railway is a historic narrow-gauge miniature railway in Portland, Oregon, that offers scenic rides connecting the Oregon Zoo with other attractions in Washington Park.
|
E35314
|
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: Washington Park and Zoo Railway | Statement: [Oregon Zoo, hasAttraction, Washington Park and Zoo Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Washington Park and Zoo Railway Context triple: [Oregon Zoo, hasAttraction, Washington Park and Zoo Railway]
-
A.
Railroad Park
Railroad Park is a popular urban green space and community gathering spot in downtown Birmingham, Alabama, known for its walking trails, ponds, and skyline views.
-
B.
Roosevelt Island Tramway
The Roosevelt Island Tramway is an aerial cable car system in New York City that connects Roosevelt Island to Manhattan, offering both public transit and scenic views of the skyline.
-
C.
Mattapan Trolley
The Mattapan Trolley is a historic light rail line in Boston that operates vintage PCC streetcars between Ashmont and Mattapan stations.
-
D.
Portland Streetcar
Portland Streetcar is a modern urban streetcar transit system serving central Portland, Oregon, connecting key neighborhoods, employment centers, and educational institutions.
-
E.
McKinney Avenue Trolley
The McKinney Avenue Trolley is a heritage streetcar system in Dallas, Texas, that operates vintage trolleys as a free public transit service and tourist attraction.
- 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: Washington Park and Zoo Railway Triple: [Oregon Zoo, hasAttraction, Washington Park and Zoo Railway]
Generated description
The Washington Park and Zoo Railway is a historic narrow-gauge miniature railway in Portland, Oregon, that offers scenic rides connecting the Oregon Zoo with other attractions in Washington Park.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Washington Park and Zoo Railway Target entity description: The Washington Park and Zoo Railway is a historic narrow-gauge miniature railway in Portland, Oregon, that offers scenic rides connecting the Oregon Zoo with other attractions in Washington Park.
-
A.
Railroad Park
Railroad Park is a popular urban green space and community gathering spot in downtown Birmingham, Alabama, known for its walking trails, ponds, and skyline views.
-
B.
Roosevelt Island Tramway
The Roosevelt Island Tramway is an aerial cable car system in New York City that connects Roosevelt Island to Manhattan, offering both public transit and scenic views of the skyline.
-
C.
Mattapan Trolley
The Mattapan Trolley is a historic light rail line in Boston that operates vintage PCC streetcars between Ashmont and Mattapan stations.
-
D.
Portland Streetcar
Portland Streetcar is a modern urban streetcar transit system serving central Portland, Oregon, connecting key neighborhoods, employment centers, and educational institutions.
-
E.
McKinney Avenue Trolley
The McKinney Avenue Trolley is a heritage streetcar system in Dallas, Texas, that operates vintage trolleys as a free public transit service and tourist attraction.
- 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_69a25853594c8190b05ec3a586ec88bf |
completed | Feb. 28, 2026, 2:52 a.m. |
| NER | Named-entity recognition | batch_69a25dcd2b208190855d5d8d70a3acfc |
completed | Feb. 28, 2026, 3:15 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a38f51aeac81908c6d398e650dc315 |
completed | March 1, 2026, 12:58 a.m. |
| NEDg | Description generation | batch_69a38fbfac808190b2b551dcbfe6faff |
completed | March 1, 2026, 1 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a3903779e88190a00c44a522e82022 |
completed | March 1, 2026, 1:02 a.m. |
Created at: Feb. 28, 2026, 2:57 a.m.