Triple
T609807
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Cambridge Common |
E12072
|
entity |
| Predicate | hasHeritageDesignation |
P921
|
FINISHED |
| Object |
U.S. National Historic Landmark District (as part of Cambridge Common Historic District)
The U.S. National Historic Landmark District (as part of the Cambridge Common Historic District) is a federally recognized historic area in Cambridge, Massachusetts, noted for its central role in early American history and the Revolutionary War era.
|
E76350
|
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: U.S. National Historic Landmark District (as part of Cambridge Common Historic District) | Statement: [Cambridge Common, hasHeritageDesignation, U.S. National Historic Landmark District (as part of Cambridge Common Historic District)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: U.S. National Historic Landmark District (as part of Cambridge Common Historic District) Context triple: [Cambridge Common, hasHeritageDesignation, U.S. National Historic Landmark District (as part of Cambridge Common Historic District)]
-
A.
Massachusetts Avenue Historic District (portion)
The Massachusetts Avenue Historic District (portion) in Kalorama is a notable stretch of Washington, D.C.’s “Embassy Row,” recognized for its grand early 20th-century mansions, diplomatic buildings, and historic architectural character.
-
B.
Brattle Street Historic District
Brattle Street Historic District is a historic neighborhood in Cambridge, Massachusetts, known for its well-preserved 18th- and 19th-century residences and its association with prominent figures of American history.
-
C.
National Historic Landmarks in Massachusetts
National Historic Landmarks in Massachusetts are federally recognized sites across the state that possess exceptional historical significance to the United States, ranging from Revolutionary War locations to notable architectural and cultural landmarks.
-
D.
Plymouth Center Historic District
Plymouth Center Historic District is a historically significant area in downtown Plymouth, Massachusetts, known for its well-preserved colonial-era buildings and its association with early American history.
-
E.
Quincy Historic District
Quincy Historic District is a nationally recognized historic area in Quincy, Florida, noted for its well-preserved 19th- and early 20th-century architecture and its reflection of the town’s prosperous tobacco-era past.
- 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: U.S. National Historic Landmark District (as part of Cambridge Common Historic District) Triple: [Cambridge Common, hasHeritageDesignation, U.S. National Historic Landmark District (as part of Cambridge Common Historic District)]
Generated description
The U.S. National Historic Landmark District (as part of the Cambridge Common Historic District) is a federally recognized historic area in Cambridge, Massachusetts, noted for its central role in early American history and the Revolutionary War era.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: U.S. National Historic Landmark District (as part of Cambridge Common Historic District) Target entity description: The U.S. National Historic Landmark District (as part of the Cambridge Common Historic District) is a federally recognized historic area in Cambridge, Massachusetts, noted for its central role in early American history and the Revolutionary War era.
-
A.
Massachusetts Avenue Historic District (portion)
The Massachusetts Avenue Historic District (portion) in Kalorama is a notable stretch of Washington, D.C.’s “Embassy Row,” recognized for its grand early 20th-century mansions, diplomatic buildings, and historic architectural character.
-
B.
Brattle Street Historic District
Brattle Street Historic District is a historic neighborhood in Cambridge, Massachusetts, known for its well-preserved 18th- and 19th-century residences and its association with prominent figures of American history.
-
C.
National Historic Landmarks in Massachusetts
National Historic Landmarks in Massachusetts are federally recognized sites across the state that possess exceptional historical significance to the United States, ranging from Revolutionary War locations to notable architectural and cultural landmarks.
-
D.
Plymouth Center Historic District
Plymouth Center Historic District is a historically significant area in downtown Plymouth, Massachusetts, known for its well-preserved colonial-era buildings and its association with early American history.
-
E.
Quincy Historic District
Quincy Historic District is a nationally recognized historic area in Quincy, Florida, noted for its well-preserved 19th- and early 20th-century architecture and its reflection of the town’s prosperous tobacco-era past.
- 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_69a493309df48190a327f748e88049a6 |
completed | March 1, 2026, 7:27 p.m. |
| NER | Named-entity recognition | batch_69a49df68f2c8190a0ee9da4692b2a62 |
completed | March 1, 2026, 8:13 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a52eacec94819094e920ab1c0659e8 |
completed | March 2, 2026, 6:31 a.m. |
| NEDg | Description generation | batch_69a53062c138819095262b45396fc97a |
completed | March 2, 2026, 6:38 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a530f8c6b08190b987016e8e8c11b6 |
completed | March 2, 2026, 6:40 a.m. |
Created at: March 1, 2026, 7:35 p.m.