Triple
T164806
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Long Island Rail Road |
E2989
|
entity |
| Predicate | terminus |
P388
|
FINISHED |
| Object |
Grand Central Madison
Grand Central Madison is a major New York City rail terminal located beneath Grand Central Terminal, built to bring Long Island Rail Road service directly into Midtown Manhattan.
|
E32748
|
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: Grand Central Madison | Statement: [Long Island Rail Road, terminus, Grand Central Madison]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Grand Central Madison Context triple: [Long Island Rail Road, terminus, Grand Central Madison]
-
A.
Chicago Union Station
Chicago Union Station is a major intercity and commuter rail terminal in downtown Chicago that serves as a central hub for Amtrak and regional rail services.
-
B.
Lincoln Square
Lincoln Square is a central public square and traffic circle in downtown Hodgenville, Kentucky, featuring monuments that commemorate the birthplace and legacy of President Abraham Lincoln.
-
C.
Central Square
Central Square is a vibrant commercial and cultural district in Cambridge, Massachusetts, known for its diverse restaurants, nightlife, music venues, and arts scene.
-
D.
Water Tower Place
Water Tower Place is a major mixed-use skyscraper and shopping complex in Chicago, known for its prominent location along the city’s Magnificent Mile.
-
E.
Union Station
Union Station is the main railway station and a historic transportation hub in downtown Los Angeles, renowned for its Mission Revival and Art Deco architecture.
- 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: Grand Central Madison Triple: [Long Island Rail Road, terminus, Grand Central Madison]
Generated description
Grand Central Madison is a major New York City rail terminal located beneath Grand Central Terminal, built to bring Long Island Rail Road service directly into Midtown Manhattan.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Grand Central Madison Target entity description: Grand Central Madison is a major New York City rail terminal located beneath Grand Central Terminal, built to bring Long Island Rail Road service directly into Midtown Manhattan.
-
A.
Chicago Union Station
Chicago Union Station is a major intercity and commuter rail terminal in downtown Chicago that serves as a central hub for Amtrak and regional rail services.
-
B.
Lincoln Square
Lincoln Square is a central public square and traffic circle in downtown Hodgenville, Kentucky, featuring monuments that commemorate the birthplace and legacy of President Abraham Lincoln.
-
C.
Central Square
Central Square is a vibrant commercial and cultural district in Cambridge, Massachusetts, known for its diverse restaurants, nightlife, music venues, and arts scene.
-
D.
Water Tower Place
Water Tower Place is a major mixed-use skyscraper and shopping complex in Chicago, known for its prominent location along the city’s Magnificent Mile.
-
E.
Union Station
Union Station is the main railway station and a historic transportation hub in downtown Los Angeles, renowned for its Mission Revival and Art Deco architecture.
- 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_69a2524ce1e48190ab066bf72859f474 |
completed | Feb. 28, 2026, 2:26 a.m. |
| NER | Named-entity recognition | batch_69a258827da481909b20ea5e9d21676f |
completed | Feb. 28, 2026, 2:52 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a37656c324819099761a1d5ae00637 |
completed | Feb. 28, 2026, 11:12 p.m. |
| NEDg | Description generation | batch_69a376c686048190aec0abd9c6999663 |
completed | Feb. 28, 2026, 11:14 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69a377aa34cc81908820a5c970d1ecf6 |
completed | Feb. 28, 2026, 11:18 p.m. |
Created at: Feb. 28, 2026, 2:34 a.m.