Triple

T9228562
Position Surface form Disambiguated ID Type / Status
Subject Middle River, Maryland E221752 entity
Predicate locatedNear P294 FINISHED
Object Back River, Maryland
Back River, Maryland is a tidal estuary in Baltimore County that flows into the Chesapeake Bay and is known for its surrounding wetlands and industrial shoreline.
 E785120 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: Back River, Maryland | Statement: [Middle River, Maryland, locatedNear, Back River, Maryland]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Back River, Maryland
Context triple: [Middle River, Maryland, locatedNear, Back River, Maryland]
  • A. Little Patuxent River
    The Little Patuxent River is a tributary of the Patuxent River in central Maryland that flows through suburban communities and parklands, including much of Howard County.
  • B. Back River
    Back River is a tidal estuary in southeastern Virginia that flows between the city of Hampton and the Chesapeake Bay, supporting local fisheries and coastal wildlife habitats.
  • C. Back River
    Back River is a tidal channel and secondary waterway in South Carolina that branches off from the Cooper River and helps drain the surrounding coastal lowlands.
  • D. Aquia Creek
    Aquia Creek is a tidal tributary of the Potomac River in Virginia, historically significant for transportation, quarrying, and Civil War activity.
  • E. Kent Narrows, Maryland
    Kent Narrows, Maryland is a small waterfront community and boating hub on the Eastern Shore known for its marinas, seafood restaurants, and access to the Chesapeake Bay.
  • 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: Back River, Maryland
Triple: [Middle River, Maryland, locatedNear, Back River, Maryland]
Generated description
Back River, Maryland is a tidal estuary in Baltimore County that flows into the Chesapeake Bay and is known for its surrounding wetlands and industrial shoreline.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Back River, Maryland
Target entity description: Back River, Maryland is a tidal estuary in Baltimore County that flows into the Chesapeake Bay and is known for its surrounding wetlands and industrial shoreline.
  • A. Little Patuxent River
    The Little Patuxent River is a tributary of the Patuxent River in central Maryland that flows through suburban communities and parklands, including much of Howard County.
  • B. Back River
    Back River is a tidal estuary in southeastern Virginia that flows between the city of Hampton and the Chesapeake Bay, supporting local fisheries and coastal wildlife habitats.
  • C. Back River
    Back River is a tidal channel and secondary waterway in South Carolina that branches off from the Cooper River and helps drain the surrounding coastal lowlands.
  • D. Aquia Creek
    Aquia Creek is a tidal tributary of the Potomac River in Virginia, historically significant for transportation, quarrying, and Civil War activity.
  • E. Kent Narrows, Maryland
    Kent Narrows, Maryland is a small waterfront community and boating hub on the Eastern Shore known for its marinas, seafood restaurants, and access to the Chesapeake Bay.
  • 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_69ca83ec8db08190a9110df8232885d2 completed March 30, 2026, 2:08 p.m.
NER Named-entity recognition batch_69ccdaa1c5b4819081dac6713053a8ae completed April 1, 2026, 8:43 a.m.
NED1 Entity disambiguation (via context triple) batch_69d0666364608190b104425819ccedf1 completed April 4, 2026, 1:16 a.m.
NEDg Description generation batch_69d06772c0508190883b22974ec09155 completed April 4, 2026, 1:20 a.m.
NED2 Entity disambiguation (via description) batch_69d067cab3a4819086a464f36a8adb3a completed April 4, 2026, 1:22 a.m.
Created at: March 30, 2026, 7:29 p.m.