Triple
T3501
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA Fitchburg Line |
E65
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
West Concord
West Concord is a village and commuter rail stop in Concord, Massachusetts, serving as a suburban residential and transit hub west of Boston.
|
E17079
|
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: West Concord | Statement: [MBTA Fitchburg Line, hasStation, West Concord]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: West Concord Context triple: [MBTA Fitchburg Line, hasStation, West Concord]
-
A.
Weston
Weston is a suburban town in eastern Massachusetts known for its residential character, conservation land, and commuter access to Boston.
-
B.
Union Vale
Union Vale is a small rural town located in Dutchess County in New York’s Hudson Valley region.
-
C.
North Point
North Point is a historic area in Maryland that served as a key battlefield during the War of 1812’s defense of Baltimore.
-
D.
Quincy
Quincy is a coastal city in eastern Massachusetts known as the "City of Presidents" for being the birthplace of U.S. presidents John Adams and John Quincy Adams.
-
E.
Springwood
Springwood is the historic Hudson River estate in Hyde Park, New York, best known as the lifelong home and presidential library site of Franklin D. Roosevelt.
- 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: West Concord Triple: [MBTA Fitchburg Line, hasStation, West Concord]
Generated description
West Concord is a village and commuter rail stop in Concord, Massachusetts, serving as a suburban residential and transit hub west of Boston.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: West Concord Target entity description: West Concord is a village and commuter rail stop in Concord, Massachusetts, serving as a suburban residential and transit hub west of Boston.
-
A.
Weston
Weston is a suburban town in eastern Massachusetts known for its residential character, conservation land, and commuter access to Boston.
-
B.
Union Vale
Union Vale is a small rural town located in Dutchess County in New York’s Hudson Valley region.
-
C.
North Point
North Point is a historic area in Maryland that served as a key battlefield during the War of 1812’s defense of Baltimore.
-
D.
Quincy
Quincy is a coastal city in eastern Massachusetts known as the "City of Presidents" for being the birthplace of U.S. presidents John Adams and John Quincy Adams.
-
E.
Springwood
Springwood is the historic Hudson River estate in Hyde Park, New York, best known as the lifelong home and presidential library site of Franklin D. Roosevelt.
- 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_69a238d6b47881909e68288aed2fd858 |
completed | Feb. 28, 2026, 12:37 a.m. |
| NER | Named-entity recognition | batch_69a23ff0650c8190bea8724de0343e58 |
completed | Feb. 28, 2026, 1:08 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a2bf62f0f481909e1efb2f3b903694 |
completed | Feb. 28, 2026, 10:11 a.m. |
| NEDg | Description generation | batch_69a2bfc230b0819084d773474e8fcbfe |
completed | Feb. 28, 2026, 10:13 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a2c09721a88190a6268360c34a0b01 |
completed | Feb. 28, 2026, 10:16 a.m. |
Created at: Feb. 28, 2026, 12:40 a.m.