hasBaseDate

P27895
predicate

Indicates that an entity is associated with a specific reference or starting date used as the basis for related calculations, schedules, or validity periods.

All labels observed (5)

Label Occurrences
hasAnchorDate 12
hasReferenceDate 12
hasBaseDate canonical 3

Description generation (PDg)

The one-sentence description above was generated by prompting gpt-5.1 with the predicate name and this instruction.

Instruction
Given a predicate that represents a relationship or action between entities, generate a one-sentence description explaining its meaning.  
# Instructions
Focus on describing the relationship, not the entities themselves. 
# Response Format
Begin the description with \' Indicates...\'
Input
Predicate: hasBaseDate
Generated description
Indicates that an entity is associated with a specific reference or starting date used as the basis for related calculations, schedules, or validity periods.

Sample triples (31)

Subject Object
Nasdaq Composite Index 1971-02-05
Leidens Ontzet 3 October via predicate surface "hasMainDate"
Imperial Reform 1495 via predicate surface "hasMainDate"
Conway’s Doomsday algorithm 4/4 (4 April) via predicate surface "hasReferenceDate"
Conway’s Doomsday algorithm 6/6 (6 June) via predicate surface "hasReferenceDate"
Conway’s Doomsday algorithm 8/8 (8 August) via predicate surface "hasReferenceDate"
Conway’s Doomsday algorithm 10/10 (10 October) via predicate surface "hasReferenceDate"
Conway’s Doomsday algorithm 12/12 (12 December) via predicate surface "hasReferenceDate"
Conway’s Doomsday algorithm 5/9 (9 May) via predicate surface "hasReferenceDate"
Conway’s Doomsday algorithm 9/5 (5 September) via predicate surface "hasReferenceDate"
Conway’s Doomsday algorithm 7/11 (11 July) via predicate surface "hasReferenceDate"
Conway’s Doomsday algorithm 11/7 (7 November) via predicate surface "hasReferenceDate"
Conway’s Doomsday algorithm last day of February via predicate surface "hasReferenceDate"
Conway’s Doomsday algorithm 14 March (non-leap years) via predicate surface "hasReferenceDate"
Conway’s Doomsday algorithm 29 February (leap years) via predicate surface "hasReferenceDate"
Producer Price Index index equals 100 in a chosen base period via predicate surface "hasBasePeriod"
Christian conquest of Seville 1248 via predicate surface "hasMainDate"
S&P 500 Equal Weight
surface form: S&P 500 Equal Weight Index
January 8, 2003
Doomsday of a year February 28 in common years via predicate surface "hasAnchorDate"
Doomsday of a year February 29 in leap years via predicate surface "hasAnchorDate"
Doomsday of a year April 4 via predicate surface "hasAnchorDate"
Doomsday of a year June 6 via predicate surface "hasAnchorDate"
Doomsday of a year August 8 via predicate surface "hasAnchorDate"
Doomsday of a year October 10 via predicate surface "hasAnchorDate"
Doomsday of a year December 12 via predicate surface "hasAnchorDate"
Doomsday of a year May 9 via predicate surface "hasAnchorDate"
Doomsday of a year September 5 via predicate surface "hasAnchorDate"
Doomsday of a year July 11 via predicate surface "hasAnchorDate"
Doomsday of a year November 7 via predicate surface "hasAnchorDate"
Doomsday of a year the last day of February via predicate surface "hasAnchorDate"
STOXX Europe 600 1991-12-31