Triple
T16029439
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Green Line Extension |
E388804
|
entity |
| Predicate | includesStation |
P33789
|
FINISHED |
| Object |
Gilman Square
Gilman Square is a neighborhood and transit stop in Somerville, Massachusetts, served by Boston’s MBTA Green Line.
|
E1188834
|
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: Gilman Square | Statement: [Green Line Extension, includesStation, Gilman Square]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Gilman Square Context triple: [Green Line Extension, includesStation, Gilman Square]
-
A.
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.
-
B.
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.
-
C.
Seward Square
Seward Square is a public park and traffic circle in Washington, D.C.’s Capitol Hill neighborhood, known for its landscaped green space and proximity to the U.S. Capitol.
-
D.
Kenmore Square
Kenmore Square is a major commercial and transportation hub in Boston, Massachusetts, known for its proximity to Fenway Park and its iconic Citgo sign.
-
E.
Dorchester Square
Dorchester Square is a historic urban park and public square in the heart of downtown Montreal, known for its green space, monuments, and surrounding landmark buildings.
- 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: Gilman Square Triple: [Green Line Extension, includesStation, Gilman Square]
Generated description
Gilman Square is a neighborhood and transit stop in Somerville, Massachusetts, served by Boston’s MBTA Green Line.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Gilman Square Target entity description: Gilman Square is a neighborhood and transit stop in Somerville, Massachusetts, served by Boston’s MBTA Green Line.
-
A.
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.
-
B.
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.
-
C.
Seward Square
Seward Square is a public park and traffic circle in Washington, D.C.’s Capitol Hill neighborhood, known for its landscaped green space and proximity to the U.S. Capitol.
-
D.
Kenmore Square
Kenmore Square is a major commercial and transportation hub in Boston, Massachusetts, known for its proximity to Fenway Park and its iconic Citgo sign.
-
E.
Dorchester Square
Dorchester Square is a historic urban park and public square in the heart of downtown Montreal, known for its green space, monuments, and surrounding landmark buildings.
- 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_69d86dada3808190825d5f80d72fbe88 |
completed | April 10, 2026, 3:25 a.m. |
| NER | Named-entity recognition | batch_69e1832a56ec8190a47fd2cf83a42fd4 |
completed | April 17, 2026, 12:47 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ffcf35ae808190aeb154a273c32a70 |
completed | May 10, 2026, 12:20 a.m. |
| NEDg | Description generation | batch_69ffd0384804819080f63b86d5114950 |
completed | May 10, 2026, 12:24 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ffd09e128c819081e92a479a4a24f9 |
completed | May 10, 2026, 12:26 a.m. |
Created at: April 10, 2026, 4:56 a.m.