Triple

T23215669
Position Surface form Disambiguated ID Type / Status
Subject Cambridge, Maryland E580730 entity
Predicate hasLandmark P105 FINISHED
Object Choptank River Lighthouse
The Choptank River Lighthouse is a replica screw-pile lighthouse and maritime museum located on the waterfront in Cambridge, Maryland, commemorating the historic beacons that once guided ships on the Choptank River.
E1575153 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: Choptank River Lighthouse | Statement: [Cambridge, Maryland, hasLandmark, Choptank River Lighthouse]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Choptank River Lighthouse
Context triple: [Cambridge, Maryland, hasLandmark, Choptank River Lighthouse]
  • A. Eatons Neck Lighthouse
    Eatons Neck Lighthouse is a historic 18th-century navigational beacon on Long Island’s north shore that guides ships through Long Island Sound.
  • B. Deal Island Lighthouse
    Deal Island Lighthouse is a historic navigational beacon located on Deal Island in Tasmania’s Bass Strait, notable for guiding maritime traffic through the surrounding hazardous waters.
  • C. Concord Point Lighthouse
    Concord Point Lighthouse is a historic 19th-century beacon on the Chesapeake Bay, known as one of the oldest continuously operating lighthouses in Maryland.
  • D. Jamestown Lighthouse
    Jamestown Lighthouse is a historic coastal beacon in the Jamestown district of Accra, Ghana, serving as both a navigational aid and a prominent local landmark.
  • E. Chincoteague Island Lighthouse
    Chincoteague Island Lighthouse is a historic, red-and-white striped brick lighthouse on Assateague Island near Chincoteague, Virginia, known for guiding ships along the Atlantic coast and serving as a popular tourist landmark.
  • 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: Choptank River Lighthouse
Triple: [Cambridge, Maryland, hasLandmark, Choptank River Lighthouse]
Generated description
The Choptank River Lighthouse is a replica screw-pile lighthouse and maritime museum located on the waterfront in Cambridge, Maryland, commemorating the historic beacons that once guided ships on the Choptank River.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Choptank River Lighthouse
Target entity description: The Choptank River Lighthouse is a replica screw-pile lighthouse and maritime museum located on the waterfront in Cambridge, Maryland, commemorating the historic beacons that once guided ships on the Choptank River.
  • A. Eatons Neck Lighthouse
    Eatons Neck Lighthouse is a historic 18th-century navigational beacon on Long Island’s north shore that guides ships through Long Island Sound.
  • B. Deal Island Lighthouse
    Deal Island Lighthouse is a historic navigational beacon located on Deal Island in Tasmania’s Bass Strait, notable for guiding maritime traffic through the surrounding hazardous waters.
  • C. Concord Point Lighthouse
    Concord Point Lighthouse is a historic 19th-century beacon on the Chesapeake Bay, known as one of the oldest continuously operating lighthouses in Maryland.
  • D. Jamestown Lighthouse
    Jamestown Lighthouse is a historic coastal beacon in the Jamestown district of Accra, Ghana, serving as both a navigational aid and a prominent local landmark.
  • E. Chincoteague Island Lighthouse
    Chincoteague Island Lighthouse is a historic, red-and-white striped brick lighthouse on Assateague Island near Chincoteague, Virginia, known for guiding ships along the Atlantic coast and serving as a popular tourist landmark.
  • 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_69e2460389408190be74f41d217799a9 completed April 17, 2026, 2:38 p.m.
NER Named-entity recognition batch_69f191646c548190a3f7150f0c253dc1 completed April 29, 2026, 5:04 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0c30c8a2548190a6f40a9e5c19123d completed May 19, 2026, 9:43 a.m.
NEDg Description generation batch_6a0c36b18b6081909e911a637a0cb38e completed May 19, 2026, 10:08 a.m.
NED2 Entity disambiguation (via description) batch_6a0c3782bd708190bc2b0f117b9ebe42 completed May 19, 2026, 10:12 a.m.
Created at: April 17, 2026, 4:08 p.m.