Triple
T3808781
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Cove Gap, Pennsylvania |
E93077
|
entity |
| Predicate | hasHistoricalMarker |
P2130
|
FINISHED |
| Object |
James Buchanan birthplace marker
The James Buchanan birthplace marker is a historical roadside sign in Cove Gap, Pennsylvania, commemorating the birth site of the 15th president of the United States.
|
E391704
|
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: James Buchanan birthplace marker | Statement: [Cove Gap, Pennsylvania, hasHistoricalMarker, James Buchanan birthplace marker]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: James Buchanan birthplace marker Context triple: [Cove Gap, Pennsylvania, hasHistoricalMarker, James Buchanan birthplace marker]
-
A.
William Henry Harrison Tomb State Memorial
William Henry Harrison Tomb State Memorial is a historic site and monument in North Bend, Ohio, commemorating and preserving the gravesite of the ninth president of the United States.
-
B.
John Tyler monument
The John Tyler monument is a memorial dedicated to the 10th president of the United States, located at his gravesite in Hollywood Cemetery in Richmond, Virginia.
-
C.
Ulysses S. Grant Birthplace
The Ulysses S. Grant Birthplace is a historic house museum in Ohio preserving the early childhood home of the 18th U.S. president and Civil War general Ulysses S. Grant.
-
D.
James Madison Memorial
The James Madison Memorial is a national memorial in Washington, D.C., honoring the fourth U.S. president and principal author of the Constitution, James Madison.
-
E.
James K. Polk Home and Museum
The James K. Polk Home and Museum is a historic house museum in Columbia, Tennessee, dedicated to preserving and interpreting the life and presidency of the 11th U.S. president, James K. Polk.
- 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: James Buchanan birthplace marker Triple: [Cove Gap, Pennsylvania, hasHistoricalMarker, James Buchanan birthplace marker]
Generated description
The James Buchanan birthplace marker is a historical roadside sign in Cove Gap, Pennsylvania, commemorating the birth site of the 15th president of the United States.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: James Buchanan birthplace marker Target entity description: The James Buchanan birthplace marker is a historical roadside sign in Cove Gap, Pennsylvania, commemorating the birth site of the 15th president of the United States.
-
A.
William Henry Harrison Tomb State Memorial
William Henry Harrison Tomb State Memorial is a historic site and monument in North Bend, Ohio, commemorating and preserving the gravesite of the ninth president of the United States.
-
B.
John Tyler monument
The John Tyler monument is a memorial dedicated to the 10th president of the United States, located at his gravesite in Hollywood Cemetery in Richmond, Virginia.
-
C.
Ulysses S. Grant Birthplace
The Ulysses S. Grant Birthplace is a historic house museum in Ohio preserving the early childhood home of the 18th U.S. president and Civil War general Ulysses S. Grant.
-
D.
James Madison Memorial
The James Madison Memorial is a national memorial in Washington, D.C., honoring the fourth U.S. president and principal author of the Constitution, James Madison.
-
E.
James K. Polk Home and Museum
The James K. Polk Home and Museum is a historic house museum in Columbia, Tennessee, dedicated to preserving and interpreting the life and presidency of the 11th U.S. president, James K. Polk.
- 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_69aed96a60088190ab1df8390fffc935 |
completed | March 9, 2026, 2:30 p.m. |
| NER | Named-entity recognition | batch_69aee80c7fc48190b5c2400918bba5c2 |
completed | March 9, 2026, 3:32 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b4fb30a61c819096325d7f11d22f89 |
completed | March 14, 2026, 6:07 a.m. |
| NEDg | Description generation | batch_69b4fbd93b1481909f89d807ef870aa7 |
completed | March 14, 2026, 6:10 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69b4ffc51bc08190aef4548a351b5604 |
completed | March 14, 2026, 6:27 a.m. |
Created at: March 9, 2026, 3:16 p.m.