Triple
T1643901
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Portland Union Station |
E35533
|
entity |
| Predicate | heritageDesignation |
P623
|
FINISHED |
| Object |
Portland Historic Landmark
The Portland Historic Landmark designation is a local preservation status granted to significant historic sites and structures in Portland, Oregon, recognizing their architectural, cultural, or historical importance and affording them certain protections.
|
E186102
|
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 Historic Landmark | Statement: [Portland Union Station, heritageDesignation, Portland Historic Landmark]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Portland Historic Landmark Context triple: [Portland Union Station, heritageDesignation, Portland Historic Landmark]
-
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.
Salem Historic District
Salem Historic District is a historically significant area in Salem, Massachusetts, known for its well-preserved colonial architecture and its central role in the 17th-century Salem witch trials.
-
C.
Pioneer Courthouse
Pioneer Courthouse is a historic 19th-century federal courthouse in downtown Portland, Oregon, and one of the oldest functioning federal courthouses in the western United States.
-
D.
Boston Landmark
Boston Landmark is an official historic designation used by the City of Boston to recognize and protect buildings, structures, and sites of significant architectural, cultural, or historical importance.
-
E.
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.
- 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 Historic Landmark Triple: [Portland Union Station, heritageDesignation, Portland Historic Landmark]
Generated description
The Portland Historic Landmark designation is a local preservation status granted to significant historic sites and structures in Portland, Oregon, recognizing their architectural, cultural, or historical importance and affording them certain protections.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Portland Historic Landmark Target entity description: The Portland Historic Landmark designation is a local preservation status granted to significant historic sites and structures in Portland, Oregon, recognizing their architectural, cultural, or historical importance and affording them certain protections.
-
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.
Salem Historic District
Salem Historic District is a historically significant area in Salem, Massachusetts, known for its well-preserved colonial architecture and its central role in the 17th-century Salem witch trials.
-
C.
Pioneer Courthouse
Pioneer Courthouse is a historic 19th-century federal courthouse in downtown Portland, Oregon, and one of the oldest functioning federal courthouses in the western United States.
-
D.
Boston Landmark
Boston Landmark is an official historic designation used by the City of Boston to recognize and protect buildings, structures, and sites of significant architectural, cultural, or historical importance.
-
E.
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.
- 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_69a88604618c81908b41f6429c431eb6 |
completed | March 4, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69aa622e9b08819094960b2329c6e7e6 |
completed | March 6, 2026, 5:12 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ad60a26350819087e7a87b52561143 |
completed | March 8, 2026, 11:42 a.m. |
| NEDg | Description generation | batch_69ad61d1806081909268a9a100b326a1 |
completed | March 8, 2026, 11:47 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ad622acf5881908add72069bd2f060 |
completed | March 8, 2026, 11:48 a.m. |
Created at: March 4, 2026, 7:28 p.m.