Triple

T164822
Position Surface form Disambiguated ID Type / Status
Subject Long Island Rail Road E2989 entity
Predicate hasLine P35 FINISHED
Object Hempstead Branch
The Hempstead Branch is a commuter rail line of the Long Island Rail Road in New York, serving communities between Hempstead and points in Queens and Manhattan.
E21461 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: Hempstead Branch | Statement: [Long Island Rail Road, hasLine, Hempstead Branch]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Hempstead Branch
Context triple: [Long Island Rail Road, hasLine, Hempstead Branch]
  • A. Montauk Branch
    The Montauk Branch is a major Long Island Rail Road route running between New York City and the eastern tip of Long Island, serving numerous communities along the island’s South Shore.
  • B. Ronkonkoma Branch
    The Ronkonkoma Branch is a major Long Island Rail Road commuter rail line running between New York City and central Long Island, serving as one of the system’s busiest and most important corridors.
  • C. Long Island Rail Road Port Jefferson Branch
    The Long Island Rail Road Port Jefferson Branch is a commuter rail line on Long Island that runs between western terminals in New York City and the village of Port Jefferson, serving numerous communities along the island’s north shore.
  • D. Long Island Rail Road Atlantic Branch
    The Long Island Rail Road Atlantic Branch is a major commuter rail line in New York City that runs between Atlantic Terminal in Brooklyn and eastern Queens, providing key connections to other LIRR lines and transit services.
  • E. Riverway
    Riverway is a linear park and waterway in Boston that forms part of the Emerald Necklace, offering scenic green space and recreational paths near the Longwood Medical Area.
  • 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: Hempstead Branch
Triple: [Long Island Rail Road, hasLine, Hempstead Branch]
Generated description
The Hempstead Branch is a commuter rail line of the Long Island Rail Road in New York, serving communities between Hempstead and points in Queens and Manhattan.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Hempstead Branch
Target entity description: The Hempstead Branch is a commuter rail line of the Long Island Rail Road in New York, serving communities between Hempstead and points in Queens and Manhattan.
  • A. Montauk Branch
    The Montauk Branch is a major Long Island Rail Road route running between New York City and the eastern tip of Long Island, serving numerous communities along the island’s South Shore.
  • B. Ronkonkoma Branch
    The Ronkonkoma Branch is a major Long Island Rail Road commuter rail line running between New York City and central Long Island, serving as one of the system’s busiest and most important corridors.
  • C. Long Island Rail Road Port Jefferson Branch
    The Long Island Rail Road Port Jefferson Branch is a commuter rail line on Long Island that runs between western terminals in New York City and the village of Port Jefferson, serving numerous communities along the island’s north shore.
  • D. Long Island Rail Road Atlantic Branch
    The Long Island Rail Road Atlantic Branch is a major commuter rail line in New York City that runs between Atlantic Terminal in Brooklyn and eastern Queens, providing key connections to other LIRR lines and transit services.
  • E. Riverway
    Riverway is a linear park and waterway in Boston that forms part of the Emerald Necklace, offering scenic green space and recreational paths near the Longwood Medical Area.
  • 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_69a2e3bf71ac819085b47fd03c853d9e completed Feb. 28, 2026, 12:46 p.m.
NEDg Description generation batch_69a2e4a237e88190bc4393c308c315b5 completed Feb. 28, 2026, 12:50 p.m.
NED2 Entity disambiguation (via description) batch_69a2e51d4394819099303040d072b165 completed Feb. 28, 2026, 12:52 p.m.
Created at: Feb. 28, 2026, 2:34 a.m.