Triple
T2600
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Cambridge, Massachusetts |
E48
|
entity |
| Predicate | hasLandmark |
P105
|
FINISHED |
| Object |
Longfellow House–Washington's Headquarters National Historic Site
Longfellow House–Washington's Headquarters National Historic Site is a historic house in Cambridge, Massachusetts, that served both as George Washington’s Revolutionary War headquarters and later as the home of poet Henry Wadsworth Longfellow.
|
E2861
|
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: Longfellow House–Washington's Headquarters National Historic Site | Statement: [Cambridge, Massachusetts, hasLandmark, Longfellow House–Washington's Headquarters National Historic Site]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Longfellow House–Washington's Headquarters National Historic Site Context triple: [Cambridge, Massachusetts, hasLandmark, Longfellow House–Washington's Headquarters National Historic Site]
-
A.
Independence National Historical Park
Independence National Historical Park is a historic district in Philadelphia that preserves key sites associated with the American Revolution and the founding of the United States, including Independence Hall and the Liberty Bell.
-
B.
Independence Hall
Independence Hall is a historic building in Philadelphia best known as the site where both the Declaration of Independence and the United States Constitution were debated and adopted.
-
C.
Jefferson Memorial
The Jefferson Memorial is a neoclassical monument in Washington, D.C., dedicated to Thomas Jefferson, the third U.S. president and principal author of the Declaration of Independence.
-
D.
Vanderbilt Mansion National Historic Site
Vanderbilt Mansion National Historic Site is a preserved Gilded Age estate and grand Beaux-Arts mansion along the Hudson River that showcases the opulent lifestyle of the Vanderbilt family.
-
E.
Lincoln Memorial
The Lincoln Memorial is a monumental neoclassical temple in Washington, D.C., honoring the 16th U.S. president, Abraham Lincoln, and serving as a symbolic site for American civil rights and national unity.
- 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: Longfellow House–Washington's Headquarters National Historic Site Triple: [Cambridge, Massachusetts, hasLandmark, Longfellow House–Washington's Headquarters National Historic Site]
Generated description
Longfellow House–Washington's Headquarters National Historic Site is a historic house in Cambridge, Massachusetts, that served both as George Washington’s Revolutionary War headquarters and later as the home of poet Henry Wadsworth Longfellow.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Longfellow House–Washington's Headquarters National Historic Site Target entity description: Longfellow House–Washington's Headquarters National Historic Site is a historic house in Cambridge, Massachusetts, that served both as George Washington’s Revolutionary War headquarters and later as the home of poet Henry Wadsworth Longfellow.
-
A.
Independence National Historical Park
Independence National Historical Park is a historic district in Philadelphia that preserves key sites associated with the American Revolution and the founding of the United States, including Independence Hall and the Liberty Bell.
-
B.
Independence Hall
Independence Hall is a historic building in Philadelphia best known as the site where both the Declaration of Independence and the United States Constitution were debated and adopted.
-
C.
Jefferson Memorial
The Jefferson Memorial is a neoclassical monument in Washington, D.C., dedicated to Thomas Jefferson, the third U.S. president and principal author of the Declaration of Independence.
-
D.
Vanderbilt Mansion National Historic Site
Vanderbilt Mansion National Historic Site is a preserved Gilded Age estate and grand Beaux-Arts mansion along the Hudson River that showcases the opulent lifestyle of the Vanderbilt family.
-
E.
Lincoln Memorial
The Lincoln Memorial is a monumental neoclassical temple in Washington, D.C., honoring the 16th U.S. president, Abraham Lincoln, and serving as a symbolic site for American civil rights and national unity.
- 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_69a22e0d37588190897cf37a323013f5 |
completed | Feb. 27, 2026, 11:51 p.m. |
| NER | Named-entity recognition | batch_69a232e673a881909276dbf9c37bbff6 |
completed | Feb. 28, 2026, 12:12 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a24e51246c819098f53258d869ecde |
completed | Feb. 28, 2026, 2:09 a.m. |
| NEDg | Description generation | batch_69a250b213c881909381abc66f5ebe68 |
completed | Feb. 28, 2026, 2:19 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a2515b915c8190b122de0025bd954f |
completed | Feb. 28, 2026, 2:22 a.m. |
Created at: Feb. 27, 2026, 11:55 p.m.