Triple
T716375
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Haverhill Line |
E14322
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Andover station
Andover station is a commuter rail stop in Andover, Massachusetts, served by the MBTA on its route between Boston and Haverhill.
|
E134423
|
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: Andover station | Statement: [Haverhill Line, hasStation, Andover station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Andover station Context triple: [Haverhill Line, hasStation, Andover station]
-
A.
Porter station
Porter station is a major MBTA transit hub in Cambridge, Massachusetts, serving both Red Line subway and commuter rail trains beneath Porter Square.
-
B.
Malden Center station
Malden Center station is a major transit hub in Malden, Massachusetts, serving both MBTA Orange Line subway and commuter rail services.
-
C.
Haverhill station
Haverhill station is a commuter rail stop in Haverhill, Massachusetts, serving as the northern terminus of the MBTA's Haverhill Line.
-
D.
Quincy Center station
Quincy Center station is a major MBTA Red Line rapid transit and commuter rail hub located in downtown Quincy, Massachusetts.
-
E.
Winchester Center station
Winchester Center station is a commuter rail station in Winchester, Massachusetts, serving MBTA's Lowell Line north of Boston.
- 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: Andover station Triple: [Haverhill Line, hasStation, Andover station]
Generated description
Andover station is a commuter rail stop in Andover, Massachusetts, served by the MBTA on its route between Boston and Haverhill.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Andover station Target entity description: Andover station is a commuter rail stop in Andover, Massachusetts, served by the MBTA on its route between Boston and Haverhill.
-
A.
Porter station
Porter station is a major MBTA transit hub in Cambridge, Massachusetts, serving both Red Line subway and commuter rail trains beneath Porter Square.
-
B.
Malden Center station
Malden Center station is a major transit hub in Malden, Massachusetts, serving both MBTA Orange Line subway and commuter rail services.
-
C.
Haverhill station
Haverhill station is a commuter rail stop in Haverhill, Massachusetts, serving as the northern terminus of the MBTA's Haverhill Line.
-
D.
Quincy Center station
Quincy Center station is a major MBTA Red Line rapid transit and commuter rail hub located in downtown Quincy, Massachusetts.
-
E.
Winchester Center station
Winchester Center station is a commuter rail station in Winchester, Massachusetts, serving MBTA's Lowell Line north of Boston.
- 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_69a4934a36e081909e7abef98b898a4e |
completed | March 1, 2026, 7:28 p.m. |
| NER | Named-entity recognition | batch_69a4a57649dc8190bfdee2f9c0c90415 |
completed | March 1, 2026, 8:45 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ac6ef9b97881908eab2a5472b02183 |
completed | March 7, 2026, 6:31 p.m. |
| NEDg | Description generation | batch_69ac6f83cea0819094a9ca27804ab9e0 |
completed | March 7, 2026, 6:33 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ac6feadf7c8190918fc0c606df10d5 |
completed | March 7, 2026, 6:35 p.m. |
Created at: March 1, 2026, 7:37 p.m.