Triple
T402581
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Cedar Falls, Iowa |
E9316
|
entity |
| Predicate | hasHistoricDistrict |
P295
|
FINISHED |
| Object |
Downtown Cedar Falls Historic District
Downtown Cedar Falls Historic District is a preserved central business area in Cedar Falls, Iowa, known for its historic architecture, cultural attractions, and locally owned shops and restaurants.
|
E50908
|
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: Downtown Cedar Falls Historic District | Statement: [Cedar Falls, Iowa, hasHistoricDistrict, Downtown Cedar Falls Historic District]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Downtown Cedar Falls Historic District Context triple: [Cedar Falls, Iowa, hasHistoricDistrict, Downtown Cedar Falls Historic District]
-
A.
Iowa City Downtown District
The Iowa City Downtown District is a vibrant, mixed-use urban core known for its locally owned shops, restaurants, arts venues, and cultural events that serve as the social and economic hub of Iowa City.
-
B.
Springfield Downtown Historic District
The Springfield Downtown Historic District is a central area of Springfield, Ohio, recognized for its concentration of historically and architecturally significant commercial and civic buildings that reflect the city’s development from the late 19th to early 20th centuries.
-
C.
Urbana Downtown Historic District
Urbana Downtown Historic District is a designated historic area in the central business district of Urbana, Illinois, recognized for its concentration of architecturally and historically significant commercial and civic buildings.
-
D.
Maplewood Historic District
Maplewood Historic District is a historically significant residential neighborhood in Malden, Massachusetts, known for its preserved 19th- and early 20th-century architecture.
-
E.
Downtown West Branch Historic District
Downtown West Branch Historic District is a preserved historic commercial area in West Branch, Iowa, known for its late 19th- and early 20th-century architecture and small-town streetscape.
- 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: Downtown Cedar Falls Historic District Triple: [Cedar Falls, Iowa, hasHistoricDistrict, Downtown Cedar Falls Historic District]
Generated description
Downtown Cedar Falls Historic District is a preserved central business area in Cedar Falls, Iowa, known for its historic architecture, cultural attractions, and locally owned shops and restaurants.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Downtown Cedar Falls Historic District Target entity description: Downtown Cedar Falls Historic District is a preserved central business area in Cedar Falls, Iowa, known for its historic architecture, cultural attractions, and locally owned shops and restaurants.
-
A.
Iowa City Downtown District
The Iowa City Downtown District is a vibrant, mixed-use urban core known for its locally owned shops, restaurants, arts venues, and cultural events that serve as the social and economic hub of Iowa City.
-
B.
Springfield Downtown Historic District
The Springfield Downtown Historic District is a central area of Springfield, Ohio, recognized for its concentration of historically and architecturally significant commercial and civic buildings that reflect the city’s development from the late 19th to early 20th centuries.
-
C.
Urbana Downtown Historic District
Urbana Downtown Historic District is a designated historic area in the central business district of Urbana, Illinois, recognized for its concentration of architecturally and historically significant commercial and civic buildings.
-
D.
Maplewood Historic District
Maplewood Historic District is a historically significant residential neighborhood in Malden, Massachusetts, known for its preserved 19th- and early 20th-century architecture.
-
E.
Downtown West Branch Historic District
Downtown West Branch Historic District is a preserved historic commercial area in West Branch, Iowa, known for its late 19th- and early 20th-century architecture and small-town streetscape.
- 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_69a2e8004cb88190b92ed1add6abf41a |
completed | Feb. 28, 2026, 1:05 p.m. |
| NER | Named-entity recognition | batch_69a2eca0e2048190a7bf360257965e56 |
completed | Feb. 28, 2026, 1:24 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a410410c108190990d4d5ef2e7ff61 |
completed | March 1, 2026, 10:09 a.m. |
| NEDg | Description generation | batch_69a410ce17ac8190a3ac2325e36cf6b3 |
completed | March 1, 2026, 10:11 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a41125951c8190accbf273ef677206 |
completed | March 1, 2026, 10:12 a.m. |
Created at: Feb. 28, 2026, 1:08 p.m.