Triple
T398883
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pittsburgh, Cincinnati, Chicago and St. Louis Railroad |
E9234
|
entity |
| Predicate | alsoKnownAs |
P39
|
FINISHED |
| Object |
Panhandle Route
The Panhandle Route was a major American railroad line operated by the Pittsburgh, Cincinnati, Chicago and St. Louis Railroad that connected key Midwestern and Eastern cities as part of the Pennsylvania Railroad system.
|
E55830
|
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: Panhandle Route | Statement: [Pittsburgh, Cincinnati, Chicago and St. Louis Railroad, alsoKnownAs, Panhandle Route]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Panhandle Route Context triple: [Pittsburgh, Cincinnati, Chicago and St. Louis Railroad, alsoKnownAs, Panhandle Route]
-
A.
Katy Trail
Katy Trail is a popular urban hike-and-bike trail in Dallas, Texas, converted from an old railroad line and known for jogging, cycling, and connecting several city neighborhoods.
-
B.
North Road
North Road was an early football ground in Newton Heath, Manchester, historically used by the club that later became Manchester United.
-
C.
Old U.S. Route 40
Old U.S. Route 40 is a historic transcontinental highway that once connected the U.S. East and West Coasts, serving as a major early 20th-century travel and commerce route across the country.
-
D.
U.S. Route 50
U.S. Route 50 is a major transcontinental U.S. highway running east–west across the country from the Atlantic coast in Maryland to California, passing through numerous states and key cities along the way.
-
E.
U.S. Route 34
U.S. Route 34 is a major east–west U.S. Highway running from Colorado through the Midwest to Illinois, serving as an important regional transportation corridor.
- 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: Panhandle Route Triple: [Pittsburgh, Cincinnati, Chicago and St. Louis Railroad, alsoKnownAs, Panhandle Route]
Generated description
The Panhandle Route was a major American railroad line operated by the Pittsburgh, Cincinnati, Chicago and St. Louis Railroad that connected key Midwestern and Eastern cities as part of the Pennsylvania Railroad system.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Panhandle Route Target entity description: The Panhandle Route was a major American railroad line operated by the Pittsburgh, Cincinnati, Chicago and St. Louis Railroad that connected key Midwestern and Eastern cities as part of the Pennsylvania Railroad system.
-
A.
Katy Trail
Katy Trail is a popular urban hike-and-bike trail in Dallas, Texas, converted from an old railroad line and known for jogging, cycling, and connecting several city neighborhoods.
-
B.
North Road
North Road was an early football ground in Newton Heath, Manchester, historically used by the club that later became Manchester United.
-
C.
Old U.S. Route 40
Old U.S. Route 40 is a historic transcontinental highway that once connected the U.S. East and West Coasts, serving as a major early 20th-century travel and commerce route across the country.
-
D.
U.S. Route 50
U.S. Route 50 is a major transcontinental U.S. highway running east–west across the country from the Atlantic coast in Maryland to California, passing through numerous states and key cities along the way.
-
E.
U.S. Route 34
U.S. Route 34 is a major east–west U.S. Highway running from Colorado through the Midwest to Illinois, serving as an important regional transportation corridor.
- 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_69a2e8004cb88190b92ed1add6abf41a |
completed | Feb. 28, 2026, 1:05 p.m. |
| NER | Named-entity recognition | batch_69a2ec8d0ca881909d786e8eed9b6748 |
completed | Feb. 28, 2026, 1:24 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a43e6cf1048190abf3f13ba35a3980 |
completed | March 1, 2026, 1:26 p.m. |
| NEDg | Description generation | batch_69a43f00f8308190bd3534d3c3fde4cf |
completed | March 1, 2026, 1:28 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69a440e991408190a2b26a552fec32a8 |
completed | March 1, 2026, 1:36 p.m. |
Created at: Feb. 28, 2026, 1:08 p.m.