Triple
T1202830
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Cambridge city center |
E25820
|
entity |
| Predicate | hasHistoricDistrict |
P295
|
FINISHED |
| Object | Harvard Square Historic District |
E2859
|
NE FINISHED |
How this triple was built (2 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: Harvard Square Historic District | Statement: [Cambridge city center, hasHistoricDistrict, Harvard Square Historic District]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Harvard Square Historic District Context triple: [Cambridge city center, hasHistoricDistrict, Harvard Square Historic District]
-
A.
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.
-
B.
Harvard Square
chosen
Harvard Square is a historic commercial and cultural center in Cambridge, Massachusetts, known for its vibrant mix of shops, restaurants, street performers, and its proximity to Harvard University.
-
C.
Harvard Yard
Harvard Yard is the historic central area of Harvard University’s campus in Cambridge, Massachusetts, known for its iconic brick buildings, freshman dormitories, and academic landmarks.
-
D.
Medford Square
Medford Square is the historic downtown center of Medford, Massachusetts, known for its preserved architecture, civic buildings, and role as the city’s commercial and cultural hub.
-
E.
Davis Square
Davis Square is a vibrant commercial and cultural neighborhood in Somerville, Massachusetts, known for its restaurants, nightlife, arts scene, and MBTA Red Line station.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69a4942b30f08190a91c60573e16b5ef |
completed | March 1, 2026, 7:31 p.m. |
| NER | Named-entity recognition | batch_69a4bdbda0b081909c0147121a945e27 |
completed | March 1, 2026, 10:29 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ac93b9f65481908824573c225dc638 |
completed | March 7, 2026, 9:08 p.m. |
Created at: March 1, 2026, 7:46 p.m.