Triple
T6913193
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Heritage Corridor |
E159985
|
entity |
| Predicate | formerOwnerOfRightOfWay |
P74106
|
FINISHED |
| Object |
Gulf, Mobile and Ohio Railroad
The Gulf, Mobile and Ohio Railroad was a major mid-20th-century U.S. railroad that operated freight and passenger services across the Midwest and South, notably linking the Gulf Coast with cities such as St. Louis and Chicago.
|
E628097
|
NE FINISHED |
How this triple was built (5 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: Gulf, Mobile and Ohio Railroad | Statement: [Heritage Corridor, formerOwnerOfRightOfWay, Gulf, Mobile and Ohio Railroad]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Gulf, Mobile and Ohio Railroad Context triple: [Heritage Corridor, formerOwnerOfRightOfWay, Gulf, Mobile and Ohio Railroad]
-
A.
Seaboard System Railroad
Seaboard System Railroad was a major U.S. freight railroad of the 1980s that consolidated several southeastern carriers and later became part of CSX Transportation.
-
B.
Mobile and Ohio Railroad
The Mobile and Ohio Railroad was a 19th-century American rail line that connected the Gulf Coast to the Midwest, playing a key role in regional commerce and the growth of towns along its route.
-
C.
Western and Atlantic Railroad
The Western and Atlantic Railroad was a 19th-century U.S. rail line in Georgia that played a crucial role in the development of Atlanta as a major transportation hub.
-
D.
Seaboard Coast Line Railroad
Seaboard Coast Line Railroad was a major Class I railroad in the southeastern United States, formed in 1967 and known for both freight operations and prominent passenger services before becoming part of CSX Transportation.
-
E.
Mississippi and Tennessee Railroad
The Mississippi and Tennessee Railroad was a 19th-century rail line that connected parts of Mississippi with Tennessee, contributing to regional transportation and economic development in the American South.
- 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: Gulf, Mobile and Ohio Railroad Triple: [Heritage Corridor, formerOwnerOfRightOfWay, Gulf, Mobile and Ohio Railroad]
Generated description
The Gulf, Mobile and Ohio Railroad was a major mid-20th-century U.S. railroad that operated freight and passenger services across the Midwest and South, notably linking the Gulf Coast with cities such as St. Louis and Chicago.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Gulf, Mobile and Ohio Railroad Target entity description: The Gulf, Mobile and Ohio Railroad was a major mid-20th-century U.S. railroad that operated freight and passenger services across the Midwest and South, notably linking the Gulf Coast with cities such as St. Louis and Chicago.
-
A.
Seaboard System Railroad
Seaboard System Railroad was a major U.S. freight railroad of the 1980s that consolidated several southeastern carriers and later became part of CSX Transportation.
-
B.
Mobile and Ohio Railroad
The Mobile and Ohio Railroad was a 19th-century American rail line that connected the Gulf Coast to the Midwest, playing a key role in regional commerce and the growth of towns along its route.
-
C.
Western and Atlantic Railroad
The Western and Atlantic Railroad was a 19th-century U.S. rail line in Georgia that played a crucial role in the development of Atlanta as a major transportation hub.
-
D.
Seaboard Coast Line Railroad
Seaboard Coast Line Railroad was a major Class I railroad in the southeastern United States, formed in 1967 and known for both freight operations and prominent passenger services before becoming part of CSX Transportation.
-
E.
Mississippi and Tennessee Railroad
The Mississippi and Tennessee Railroad was a 19th-century rail line that connected parts of Mississippi with Tennessee, contributing to regional transportation and economic development in the American South.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: formerOwnerOfRightOfWay Context triple: [Heritage Corridor, formerOwnerOfRightOfWay, Gulf, Mobile and Ohio Railroad]
-
A.
ownerOfRightOfWay
Indicates that one entity holds the legal right to pass through or use a specific path, route, or area on another entity’s property.
-
B.
operatesOnFormerRightOfWayOf
Indicates that an entity (such as a route, line, or facility) runs along or uses the previous right-of-way corridor that was once occupied by another transportation or infrastructure alignment.
-
C.
formerPartOwnerOf
Indicates that an entity previously held, but no longer holds, a partial ownership stake in another entity.
-
D.
formerSiteOwner
Indicates that one entity previously owned or controlled a particular site but no longer does so.
-
E.
someRightOfWayUsedBy
Indicates that a particular right of way is utilized or traversed by a specified user, route, or transport entity.
- F. None of above. chosen
Provenance (7 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_69c6883ab1008190a07129ff06f625d9 |
completed | March 27, 2026, 1:38 p.m. |
| NER | Named-entity recognition | batch_69c6d9dbca6c819091d8b65e54ada5d9 |
completed | March 27, 2026, 7:26 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c7491116448190b9945e5a53056cb9 |
completed | March 28, 2026, 3:20 a.m. |
| NEDg | Description generation | batch_69c74b46838c8190b5418d8f02f9aee1 |
completed | March 28, 2026, 3:30 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c74d297b5881909b171d0a82adf173 |
completed | March 28, 2026, 3:38 a.m. |
| PD | Predicate disambiguation | batch_69c6d7b93d688190a297244ce81b67ac |
completed | March 27, 2026, 7:17 p.m. |
| PDg | Predicate description generation | batch_69c6d8c48ba48190b8d3aa7b8d22816b |
completed | March 27, 2026, 7:21 p.m. |
Created at: March 27, 2026, 2:25 p.m.