Triple
T3975623
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Maine Central Railroad |
E85633
|
entity |
| Predicate | notableRoute |
P22
|
FINISHED |
| Object |
Calais Branch
The Calais Branch is a former Maine Central Railroad line in eastern Maine that historically provided freight and passenger service to communities along the state's Downeast coast.
|
E405069
|
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: Calais Branch | Statement: [Maine Central Railroad, notableRoute, Calais Branch]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Calais Branch Context triple: [Maine Central Railroad, notableRoute, Calais Branch]
-
A.
Seine maritime corridor
The Seine maritime corridor is the navigable stretch of the Seine River that connects inland ports like Rouen to the sea, serving as a major route for maritime and river traffic in northern France.
-
B.
Chatham Main Line
The Chatham Main Line is a major railway route in southeast England that connects London with Medway, east Kent, and coastal towns such as Ramsgate and Dover.
-
C.
Granville–Paris line
The Granville–Paris line is a French railway route best known as the site of the dramatic 1895 Montparnasse derailment, where a train overran the buffers and crashed through the station façade.
-
D.
Pont Chaussée
Pont Chaussée is a historic bridge in Verdun, France, spanning the Meuse River and forming part of the city's traditional riverfront crossings.
-
E.
Warminster Line
The Warminster Line is a commuter rail service in the Philadelphia region that connects Center City with suburban communities in and around Warminster, Pennsylvania.
- 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: Calais Branch Triple: [Maine Central Railroad, notableRoute, Calais Branch]
Generated description
The Calais Branch is a former Maine Central Railroad line in eastern Maine that historically provided freight and passenger service to communities along the state's Downeast coast.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Calais Branch Target entity description: The Calais Branch is a former Maine Central Railroad line in eastern Maine that historically provided freight and passenger service to communities along the state's Downeast coast.
-
A.
Seine maritime corridor
The Seine maritime corridor is the navigable stretch of the Seine River that connects inland ports like Rouen to the sea, serving as a major route for maritime and river traffic in northern France.
-
B.
Chatham Main Line
The Chatham Main Line is a major railway route in southeast England that connects London with Medway, east Kent, and coastal towns such as Ramsgate and Dover.
-
C.
Granville–Paris line
The Granville–Paris line is a French railway route best known as the site of the dramatic 1895 Montparnasse derailment, where a train overran the buffers and crashed through the station façade.
-
D.
Pont Chaussée
Pont Chaussée is a historic bridge in Verdun, France, spanning the Meuse River and forming part of the city's traditional riverfront crossings.
-
E.
Warminster Line
The Warminster Line is a commuter rail service in the Philadelphia region that connects Center City with suburban communities in and around Warminster, Pennsylvania.
- 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_69aed93908348190a26c8aaf4fab3e86 |
completed | March 9, 2026, 2:29 p.m. |
| NER | Named-entity recognition | batch_69aef9b6d8008190822fceabe6542b3d |
completed | March 9, 2026, 4:47 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b5401712188190aa6144dc1d5dcab6 |
completed | March 14, 2026, 11:01 a.m. |
| NEDg | Description generation | batch_69b54411546481908627a8b3ce7a433a |
completed | March 14, 2026, 11:18 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69b544a02d5c8190a76a074cc7e98cc5 |
completed | March 14, 2026, 11:21 a.m. |
Created at: March 9, 2026, 3:33 p.m.