Triple
T2986955
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Congress Street, Portland, Maine |
E80647
|
entity |
| Predicate | hasLandmark |
P105
|
FINISHED |
| Object |
Portland City Hall
Portland City Hall is the historic municipal government building and architectural landmark serving the city of Portland, Maine.
|
E315545
|
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: Portland City Hall | Statement: [Congress Street, Portland, Maine, hasLandmark, Portland City Hall]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Portland City Hall Context triple: [Congress Street, Portland, Maine, hasLandmark, Portland City Hall]
-
A.
Portland City Hall
Portland City Hall is the historic municipal building in downtown Portland, Oregon, that houses the offices and chambers of the city’s government.
-
B.
Seattle City Hall
Seattle City Hall is the modern civic headquarters of the City of Seattle, Washington, known for its contemporary glass-and-steel architecture and public plaza in the downtown area.
-
C.
Portland Building
The Portland Building is a landmark postmodern office building in downtown Portland, Oregon, designed by architect Michael Graves and noted for its colorful, ornamental façade.
-
D.
Multnomah County Courthouse
Multnomah County Courthouse is a major judicial building in downtown Portland, Oregon, housing county courts and legal offices that serve as a central hub for the region’s justice system.
-
E.
Oakland City Hall
Oakland City Hall is a historic Beaux-Arts government building in Oakland, California, notable for its distinctive tower and role as the seat of the city's municipal government.
- 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: Portland City Hall Triple: [Congress Street, Portland, Maine, hasLandmark, Portland City Hall]
Generated description
Portland City Hall is the historic municipal government building and architectural landmark serving the city of Portland, Maine.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Portland City Hall Target entity description: Portland City Hall is the historic municipal government building and architectural landmark serving the city of Portland, Maine.
-
A.
Portland City Hall
Portland City Hall is the historic municipal building in downtown Portland, Oregon, that houses the offices and chambers of the city’s government.
-
B.
Seattle City Hall
Seattle City Hall is the modern civic headquarters of the City of Seattle, Washington, known for its contemporary glass-and-steel architecture and public plaza in the downtown area.
-
C.
Portland Building
The Portland Building is a landmark postmodern office building in downtown Portland, Oregon, designed by architect Michael Graves and noted for its colorful, ornamental façade.
-
D.
Multnomah County Courthouse
Multnomah County Courthouse is a major judicial building in downtown Portland, Oregon, housing county courts and legal offices that serve as a central hub for the region’s justice system.
-
E.
Oakland City Hall
Oakland City Hall is a historic Beaux-Arts government building in Oakland, California, notable for its distinctive tower and role as the seat of the city's municipal government.
- 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_69ad8b16c3488190b47b6aa7a59a335b |
completed | March 8, 2026, 2:43 p.m. |
| NER | Named-entity recognition | batch_69ad99c88f608190bf734e0b744bf3d1 |
completed | March 8, 2026, 3:46 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b108fb46b08190bcbd00e69cf06047 |
completed | March 11, 2026, 6:17 a.m. |
| NEDg | Description generation | batch_69b1098429f0819086767078b9687674 |
completed | March 11, 2026, 6:19 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69b109ea926481909c85a9aa28027d41 |
completed | March 11, 2026, 6:21 a.m. |
Created at: March 8, 2026, 2:59 p.m.