Triple

T3503114
Position Surface form Disambiguated ID Type / Status
Subject Muni Metro Market Street lines E74013 entity
Predicate connectsWith P37 FINISHED
Object BART at Montgomery Street station
BART at Montgomery Street station is a major underground Bay Area Rapid Transit hub in downtown San Francisco that provides regional rail connections beneath Market Street.
E364949 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: BART at Montgomery Street station | Statement: [Muni Metro Market Street lines, connectsWith, BART at Montgomery Street station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: BART at Montgomery Street station
Context triple: [Muni Metro Market Street lines, connectsWith, BART at Montgomery Street station]
  • A. Muni Metro at Embarcadero Station
    Muni Metro at Embarcadero Station is a major San Francisco light rail hub located in the Financial District, serving multiple Muni Metro lines and connecting to regional transit services.
  • B. BART West Oakland station
    BART West Oakland station is an elevated rapid transit station in Oakland, California, serving as a key junction for multiple Bay Area Rapid Transit lines near the eastern approach to the San Francisco–Oakland Bay Bridge.
  • C. Warm Springs/South Fremont BART station
    Warm Springs/South Fremont BART station is a Bay Area Rapid Transit station in southern Fremont, California, serving as a major transit hub for the Warm Springs district and a gateway to Silicon Valley.
  • D. Rockridge BART station
    Rockridge BART station is an elevated rapid transit station in Oakland, California, serving the Rockridge neighborhood on the Bay Area Rapid Transit system.
  • E. Lake Merritt BART station
    Lake Merritt BART station is an underground Bay Area Rapid Transit station in Oakland, California, serving the Lake Merritt neighborhood and nearby civic and residential areas.
  • 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: BART at Montgomery Street station
Triple: [Muni Metro Market Street lines, connectsWith, BART at Montgomery Street station]
Generated description
BART at Montgomery Street station is a major underground Bay Area Rapid Transit hub in downtown San Francisco that provides regional rail connections beneath Market Street.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: BART at Montgomery Street station
Target entity description: BART at Montgomery Street station is a major underground Bay Area Rapid Transit hub in downtown San Francisco that provides regional rail connections beneath Market Street.
  • A. Muni Metro at Embarcadero Station
    Muni Metro at Embarcadero Station is a major San Francisco light rail hub located in the Financial District, serving multiple Muni Metro lines and connecting to regional transit services.
  • B. BART West Oakland station
    BART West Oakland station is an elevated rapid transit station in Oakland, California, serving as a key junction for multiple Bay Area Rapid Transit lines near the eastern approach to the San Francisco–Oakland Bay Bridge.
  • C. Warm Springs/South Fremont BART station
    Warm Springs/South Fremont BART station is a Bay Area Rapid Transit station in southern Fremont, California, serving as a major transit hub for the Warm Springs district and a gateway to Silicon Valley.
  • D. Rockridge BART station
    Rockridge BART station is an elevated rapid transit station in Oakland, California, serving the Rockridge neighborhood on the Bay Area Rapid Transit system.
  • E. Lake Merritt BART station
    Lake Merritt BART station is an underground Bay Area Rapid Transit station in Oakland, California, serving the Lake Merritt neighborhood and nearby civic and residential areas.
  • 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_69ad85ce7a9c81909ddc5cf0cb67a6e3 completed March 8, 2026, 2:21 p.m.
NER Named-entity recognition batch_69adbbf0c2b48190b49923137bb9e45d completed March 8, 2026, 6:12 p.m.
NED1 Entity disambiguation (via context triple) batch_69b37e6aea8c81908dbe4748dd8a9d9c completed March 13, 2026, 3:03 a.m.
NEDg Description generation batch_69b37f52d9188190a37d06ff220ffdb3 completed March 13, 2026, 3:06 a.m.
NED2 Entity disambiguation (via description) batch_69b37fbec2ec81909228716c70ffa2bd completed March 13, 2026, 3:08 a.m.
Created at: March 8, 2026, 3:18 p.m.