Triple
T317582
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Iowa City, Iowa |
E7740
|
entity |
| Predicate | isHomeOf |
P2591
|
FINISHED |
| Object |
Devonian Fossil Gorge
Devonian Fossil Gorge is an exposed ancient seabed near Iowa City where visitors can see well-preserved marine fossils from the Devonian period revealed by modern flood erosion.
|
E40904
|
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: Devonian Fossil Gorge | Statement: [Iowa City, Iowa, isHomeOf, Devonian Fossil Gorge]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Devonian Fossil Gorge Context triple: [Iowa City, Iowa, isHomeOf, Devonian Fossil Gorge]
-
A.
Cascadilla Gorge
Cascadilla Gorge is a scenic, steep-sided ravine in Ithaca, New York, known for its cascading waterfalls, stone trails, and role as a popular natural area near Cornell University.
-
B.
Hemlock Gorge Reservation
Hemlock Gorge Reservation is a scenic state-owned natural area along the Charles River in Newton, Massachusetts, known for its wooded trails, river views, and historic Echo Bridge.
-
C.
Benagil Cave
Benagil Cave is a famous seaside grotto in Portugal known for its dramatic domed ceiling, natural skylight, and golden-sand beach accessible mainly by boat or kayak.
-
D.
Lehman Caves
Lehman Caves is an extensive marble cave system famed for its intricate formations, located within Great Basin National Park in eastern Nevada.
-
E.
Giant Forest
Giant Forest is a renowned grove of massive giant sequoia trees in California, home to some of the largest trees on Earth, including the General Sherman Tree.
- 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: Devonian Fossil Gorge Triple: [Iowa City, Iowa, isHomeOf, Devonian Fossil Gorge]
Generated description
Devonian Fossil Gorge is an exposed ancient seabed near Iowa City where visitors can see well-preserved marine fossils from the Devonian period revealed by modern flood erosion.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Devonian Fossil Gorge Target entity description: Devonian Fossil Gorge is an exposed ancient seabed near Iowa City where visitors can see well-preserved marine fossils from the Devonian period revealed by modern flood erosion.
-
A.
Cascadilla Gorge
Cascadilla Gorge is a scenic, steep-sided ravine in Ithaca, New York, known for its cascading waterfalls, stone trails, and role as a popular natural area near Cornell University.
-
B.
Hemlock Gorge Reservation
Hemlock Gorge Reservation is a scenic state-owned natural area along the Charles River in Newton, Massachusetts, known for its wooded trails, river views, and historic Echo Bridge.
-
C.
Benagil Cave
Benagil Cave is a famous seaside grotto in Portugal known for its dramatic domed ceiling, natural skylight, and golden-sand beach accessible mainly by boat or kayak.
-
D.
Lehman Caves
Lehman Caves is an extensive marble cave system famed for its intricate formations, located within Great Basin National Park in eastern Nevada.
-
E.
Giant Forest
Giant Forest is a renowned grove of massive giant sequoia trees in California, home to some of the largest trees on Earth, including the General Sherman Tree.
- 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_69a2e7e7af7881908890039d6be4e9b8 |
completed | Feb. 28, 2026, 1:04 p.m. |
| NER | Named-entity recognition | batch_69a2ea67b7588190be394a56498758b6 |
completed | Feb. 28, 2026, 1:15 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a3c8b8d7d88190b43f7b6b0289445f |
completed | March 1, 2026, 5:03 a.m. |
| NEDg | Description generation | batch_69a3c964b7a48190afa7cada4a499739 |
completed | March 1, 2026, 5:06 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a3c9bc3eec81909e6d1b7af6cf7d58 |
completed | March 1, 2026, 5:08 a.m. |
Created at: Feb. 28, 2026, 1:08 p.m.