Triple
T8750910
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Central Iowa |
E207951
|
entity |
| Predicate | hasAttraction |
P105
|
FINISHED |
| Object |
High Trestle Trail Bridge
The High Trestle Trail Bridge is a strikingly designed former railroad bridge turned pedestrian and cycling landmark, renowned for its illuminated steel “tunnel” art installation spanning the Des Moines River in Iowa.
|
E836595
|
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: High Trestle Trail Bridge | Statement: [Central Iowa, hasAttraction, High Trestle Trail Bridge]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: High Trestle Trail Bridge Context triple: [Central Iowa, hasAttraction, High Trestle Trail Bridge]
-
A.
Rosendale Trestle
Rosendale Trestle is a historic 19th-century railroad viaduct in Rosendale, New York, now best known as a restored pedestrian walkway and landmark spanning the Rondout Creek.
-
B.
Bixby Creek Bridge
Bixby Creek Bridge is an iconic reinforced-concrete arch bridge along California’s scenic Highway 1, renowned for its dramatic coastal setting and frequent appearance in photography and film.
-
C.
Panhandle Railroad Bridge
The Panhandle Railroad Bridge is a historic steel truss railroad bridge spanning the Monongahela River in Pittsburgh, Pennsylvania, now used by the city's light rail system.
-
D.
Perrine Bridge
Perrine Bridge is a large steel arch bridge spanning the Snake River Canyon in Twin Falls, Idaho, renowned for its dramatic views and popularity as a BASE jumping site.
-
E.
Taft Bridge
Taft Bridge is a historic early-20th-century concrete arch bridge in Washington, D.C., known for its monumental design and decorative sculptures.
- 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: High Trestle Trail Bridge Triple: [Central Iowa, hasAttraction, High Trestle Trail Bridge]
Generated description
The High Trestle Trail Bridge is a strikingly designed former railroad bridge turned pedestrian and cycling landmark, renowned for its illuminated steel “tunnel” art installation spanning the Des Moines River in Iowa.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: High Trestle Trail Bridge Target entity description: The High Trestle Trail Bridge is a strikingly designed former railroad bridge turned pedestrian and cycling landmark, renowned for its illuminated steel “tunnel” art installation spanning the Des Moines River in Iowa.
-
A.
Rosendale Trestle
Rosendale Trestle is a historic 19th-century railroad viaduct in Rosendale, New York, now best known as a restored pedestrian walkway and landmark spanning the Rondout Creek.
-
B.
Bixby Creek Bridge
Bixby Creek Bridge is an iconic reinforced-concrete arch bridge along California’s scenic Highway 1, renowned for its dramatic coastal setting and frequent appearance in photography and film.
-
C.
Panhandle Railroad Bridge
The Panhandle Railroad Bridge is a historic steel truss railroad bridge spanning the Monongahela River in Pittsburgh, Pennsylvania, now used by the city's light rail system.
-
D.
Perrine Bridge
Perrine Bridge is a large steel arch bridge spanning the Snake River Canyon in Twin Falls, Idaho, renowned for its dramatic views and popularity as a BASE jumping site.
-
E.
Taft Bridge
Taft Bridge is a historic early-20th-century concrete arch bridge in Washington, D.C., known for its monumental design and decorative sculptures.
- 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_69ca835bb2bc819084bb5906cb6ef7f8 |
completed | March 30, 2026, 2:06 p.m. |
| NER | Named-entity recognition | batch_69cc5da774f4819099e5bfd12973d946 |
completed | March 31, 2026, 11:49 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d28161b6ec8190ab91f7b00995e889 |
completed | April 5, 2026, 3:36 p.m. |
| NEDg | Description generation | batch_69d282fd10248190a1a0b4573b2065ae |
completed | April 5, 2026, 3:42 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69d283d0e1748190a0c65bbaa8e8348e |
completed | April 5, 2026, 3:46 p.m. |
Created at: March 30, 2026, 6:39 p.m.