Triple
T90022
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | St. Louis, Missouri, United States |
E1809
|
entity |
| Predicate | hasLandmark |
P105
|
FINISHED |
| Object |
Old Courthouse
The Old Courthouse is a historic 19th-century courthouse in downtown St. Louis best known as the site of the pivotal Dred Scott slavery trials and as a prominent architectural landmark near the Gateway Arch.
|
E34291
|
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: Old Courthouse | Statement: [St. Louis, Missouri, United States, hasLandmark, Old Courthouse]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Old Courthouse Context triple: [St. Louis, Missouri, United States, hasLandmark, Old Courthouse]
-
A.
Old City Hall
Old City Hall is a historic courthouse and former city government building in Philadelphia that stands adjacent to Independence Hall within Independence National Historical Park.
-
B.
Jefferson Market Courthouse
Jefferson Market Courthouse is a historic Victorian Gothic former courthouse in New York City's Greenwich Village, renowned for its distinctive clock tower and now repurposed as a public library.
-
C.
Newton City Hall
Newton City Hall is the main municipal government building and administrative center for the city of Newton, Massachusetts.
-
D.
Durham County Courthouse
Durham County Courthouse is the primary judicial building serving Durham County, North Carolina, housing its main courts and related legal offices.
-
E.
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.
- 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: Old Courthouse Triple: [St. Louis, Missouri, United States, hasLandmark, Old Courthouse]
Generated description
The Old Courthouse is a historic 19th-century courthouse in downtown St. Louis best known as the site of the pivotal Dred Scott slavery trials and as a prominent architectural landmark near the Gateway Arch.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Old Courthouse Target entity description: The Old Courthouse is a historic 19th-century courthouse in downtown St. Louis best known as the site of the pivotal Dred Scott slavery trials and as a prominent architectural landmark near the Gateway Arch.
-
A.
Old City Hall
Old City Hall is a historic courthouse and former city government building in Philadelphia that stands adjacent to Independence Hall within Independence National Historical Park.
-
B.
Jefferson Market Courthouse
Jefferson Market Courthouse is a historic Victorian Gothic former courthouse in New York City's Greenwich Village, renowned for its distinctive clock tower and now repurposed as a public library.
-
C.
Newton City Hall
Newton City Hall is the main municipal government building and administrative center for the city of Newton, Massachusetts.
-
D.
Durham County Courthouse
Durham County Courthouse is the primary judicial building serving Durham County, North Carolina, housing its main courts and related legal offices.
-
E.
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.
- 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_69a24d1a97dc819094e6c021fe9b05a7 |
completed | Feb. 28, 2026, 2:04 a.m. |
| NER | Named-entity recognition | batch_69a383e3575c8190932dcdc25503d06e |
completed | March 1, 2026, 12:10 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a38611d3808190834c96fe39f9cf0d |
completed | March 1, 2026, 12:19 a.m. |
| NEDg | Description generation | batch_69a386883e74819090d26dff200cb267 |
completed | March 1, 2026, 12:21 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a386f03ac08190a2645a325bb73fcd |
completed | March 1, 2026, 12:23 a.m. |
Created at: Feb. 28, 2026, 2:07 a.m.