Triple
T17151509
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Heinz Hall (PHLF Historic Landmark) |
E416231
|
entity |
| Predicate | heritageDesignation |
P623
|
FINISHED |
| Object |
PHLF Historic Landmark
PHLF Historic Landmark is a designation by the Pittsburgh History & Landmarks Foundation recognizing buildings and sites of significant architectural, historical, or cultural importance in the Pittsburgh region.
|
E1252791
|
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: PHLF Historic Landmark | Statement: [Heinz Hall (PHLF Historic Landmark), heritageDesignation, PHLF Historic Landmark]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: PHLF Historic Landmark Context triple: [Heinz Hall (PHLF Historic Landmark), heritageDesignation, PHLF Historic Landmark]
-
A.
Hackley and Hume Historic Site
Hackley and Hume Historic Site is a preserved pair of ornate late-19th-century lumber barons’ homes that serve as a museum showcasing Victorian-era architecture and local history.
-
B.
Paradise Historic District
Paradise Historic District is a nationally recognized historic area within Mount Rainier National Park known for its early 20th-century park architecture and scenic alpine setting.
-
C.
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.
-
D.
Helena Historic District
Helena Historic District is a nationally recognized area in Helena, Montana, known for its well-preserved 19th- and early 20th-century architecture reflecting the city’s gold rush prosperity and civic development.
-
E.
Kalorama Historic District
The Kalorama Historic District is an affluent, architecturally significant residential neighborhood in Northwest Washington, D.C., known for its embassies, historic mansions, and prominent political residents.
- 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: PHLF Historic Landmark Triple: [Heinz Hall (PHLF Historic Landmark), heritageDesignation, PHLF Historic Landmark]
Generated description
PHLF Historic Landmark is a designation by the Pittsburgh History & Landmarks Foundation recognizing buildings and sites of significant architectural, historical, or cultural importance in the Pittsburgh region.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: PHLF Historic Landmark Target entity description: PHLF Historic Landmark is a designation by the Pittsburgh History & Landmarks Foundation recognizing buildings and sites of significant architectural, historical, or cultural importance in the Pittsburgh region.
-
A.
Hackley and Hume Historic Site
Hackley and Hume Historic Site is a preserved pair of ornate late-19th-century lumber barons’ homes that serve as a museum showcasing Victorian-era architecture and local history.
-
B.
Paradise Historic District
Paradise Historic District is a nationally recognized historic area within Mount Rainier National Park known for its early 20th-century park architecture and scenic alpine setting.
-
C.
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.
-
D.
Helena Historic District
Helena Historic District is a nationally recognized area in Helena, Montana, known for its well-preserved 19th- and early 20th-century architecture reflecting the city’s gold rush prosperity and civic development.
-
E.
Kalorama Historic District
The Kalorama Historic District is an affluent, architecturally significant residential neighborhood in Northwest Washington, D.C., known for its embassies, historic mansions, and prominent political residents.
- 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_69d886d279c081909f8ff1f743ddeb69 |
completed | April 10, 2026, 5:12 a.m. |
| NER | Named-entity recognition | batch_69e3f40775848190ada44742c0113ab3 |
completed | April 18, 2026, 9:13 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a01415d19288190beb3c94da2ce8c0e |
completed | May 11, 2026, 2:39 a.m. |
| NEDg | Description generation | batch_6a01422c0f088190b162c7086bc93585 |
completed | May 11, 2026, 2:42 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a0142f274ec819081eb15a3ea0e1b13 |
completed | May 11, 2026, 2:46 a.m. |
Created at: April 10, 2026, 5:36 a.m.