Triple
T4729253
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Mattapan |
E104962
|
entity |
| Predicate | hasLandmark |
P105
|
FINISHED |
| Object |
Mattapan Square
Mattapan Square is a central commercial and transit hub in Boston’s Mattapan neighborhood, known for its diverse community, local businesses, and key transportation connections.
|
E466093
|
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: Mattapan Square | Statement: [Mattapan, hasLandmark, Mattapan Square]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Mattapan Square Context triple: [Mattapan, hasLandmark, Mattapan Square]
-
A.
Watertown Square
Watertown Square is a major transit and commercial hub in Watertown, Massachusetts, functioning as a key connection point for multiple MBTA bus routes and local activity.
-
B.
Magoun Square
Magoun Square is a neighborhood commercial district and intersection in Somerville, Massachusetts, known for its local shops, restaurants, and residential character.
-
C.
Porter Square
Porter Square is a bustling commercial and transit hub in northern Cambridge, Massachusetts, known for its shopping centers, restaurants, and MBTA Red Line and commuter rail station.
-
D.
Franklin Square
Franklin Square is one of Philadelphia’s original five public squares, now a historic urban park featuring fountains, family attractions, and green space in the Old City area.
-
E.
Franklin Square
Franklin Square is a historic public park and urban green space located in downtown Washington, D.C.
- 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: Mattapan Square Triple: [Mattapan, hasLandmark, Mattapan Square]
Generated description
Mattapan Square is a central commercial and transit hub in Boston’s Mattapan neighborhood, known for its diverse community, local businesses, and key transportation connections.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Mattapan Square Target entity description: Mattapan Square is a central commercial and transit hub in Boston’s Mattapan neighborhood, known for its diverse community, local businesses, and key transportation connections.
-
A.
Watertown Square
Watertown Square is a major transit and commercial hub in Watertown, Massachusetts, functioning as a key connection point for multiple MBTA bus routes and local activity.
-
B.
Magoun Square
Magoun Square is a neighborhood commercial district and intersection in Somerville, Massachusetts, known for its local shops, restaurants, and residential character.
-
C.
Porter Square
Porter Square is a bustling commercial and transit hub in northern Cambridge, Massachusetts, known for its shopping centers, restaurants, and MBTA Red Line and commuter rail station.
-
D.
Franklin Square
Franklin Square is one of Philadelphia’s original five public squares, now a historic urban park featuring fountains, family attractions, and green space in the Old City area.
-
E.
Franklin Square
Franklin Square is a historic public park and urban green space located in downtown Washington, D.C.
- 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_69bd43ed84648190ae0b7ee8e8d00482 |
completed | March 20, 2026, 12:56 p.m. |
| NER | Named-entity recognition | batch_69bd646135c881909030c21a163cc619 |
completed | March 20, 2026, 3:14 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69be3a0739a88190aefc952d9d9b39e2 |
completed | March 21, 2026, 6:26 a.m. |
| NEDg | Description generation | batch_69be3bee50708190938feae0a3ddeb48 |
completed | March 21, 2026, 6:34 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69be3cd64d0c8190b007e9f027185225 |
completed | March 21, 2026, 6:38 a.m. |
Created at: March 20, 2026, 1:19 p.m.