Triple
T7763239
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Dallas Union Station |
E176076
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object |
Heartland Flyer
The Heartland Flyer is an Amtrak passenger train that operates daily between Oklahoma City, Oklahoma, and Fort Worth, Texas, providing regional rail service through the Southern Plains.
|
E687650
|
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: Heartland Flyer | Statement: [Dallas Union Station, servedBy, Heartland Flyer]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Heartland Flyer Context triple: [Dallas Union Station, servedBy, Heartland Flyer]
-
A.
Heartland
Heartland is a 2021 country-rap fusion album by American rapper Nelly that features collaborations with several country artists.
-
B.
Heartland
Heartland is a long-running Canadian family drama television series that follows the lives and challenges of a multigenerational ranching family in rural Alberta.
-
C.
Heartland
"Heartland" is a song by U2 from their album *Rattle and Hum*, known for its atmospheric sound and evocative lyrics about America.
-
D.
Dixie Flyer
The Dixie Flyer was a prominent named passenger train that provided long-distance service through the American South, particularly connecting the Midwest to Florida vacation destinations.
-
E.
Crossroads of America
Crossroads of America is a nickname for Indianapolis that reflects its historic and contemporary role as a major national transportation and logistics hub.
- 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: Heartland Flyer Triple: [Dallas Union Station, servedBy, Heartland Flyer]
Generated description
The Heartland Flyer is an Amtrak passenger train that operates daily between Oklahoma City, Oklahoma, and Fort Worth, Texas, providing regional rail service through the Southern Plains.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Heartland Flyer Target entity description: The Heartland Flyer is an Amtrak passenger train that operates daily between Oklahoma City, Oklahoma, and Fort Worth, Texas, providing regional rail service through the Southern Plains.
-
A.
Heartland
Heartland is a long-running Canadian family drama television series that follows the lives and challenges of a multigenerational ranching family in rural Alberta.
-
B.
Heartland
Heartland is a 2021 country-rap fusion album by American rapper Nelly that features collaborations with several country artists.
-
C.
Heartland
"Heartland" is a song by U2 from their album *Rattle and Hum*, known for its atmospheric sound and evocative lyrics about America.
-
D.
Dixie Flyer
The Dixie Flyer was a prominent named passenger train that provided long-distance service through the American South, particularly connecting the Midwest to Florida vacation destinations.
-
E.
Crossroads of America
Crossroads of America is a nickname for Indianapolis that reflects its historic and contemporary role as a major national transportation and logistics hub.
- 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_69c69962923c8190ac74d28b4f9fe0a0 |
completed | March 27, 2026, 2:51 p.m. |
| NER | Named-entity recognition | batch_69c704061d1881909b5b42bb93d2b8a7 |
completed | March 27, 2026, 10:26 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c8c7da8b848190b378f694118dfa19 |
completed | March 29, 2026, 6:34 a.m. |
| NEDg | Description generation | batch_69c8c8d7a51481908fd537dbb57a6116 |
completed | March 29, 2026, 6:38 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c8c98179908190a68b7f029fff8e3c |
completed | March 29, 2026, 6:41 a.m. |
Created at: March 27, 2026, 4:09 p.m.