A database of Prolog facts for a group of people contains the following two types of facts: male([, , .. ] ). emale([, , ... ] ). ge( , ) E.g., male([alex, tom, vic, ..]). E.g., female([ann, sara, ella, ..]). E.g. age(ann, 66). For these facts write the following rules (you may use Prolog library functions): person(, ). gender(, gender>). oldest(, , ). neanAgeM(). count(, , ). Find the name and the age of a person Find the name and the gender (male or female) Find the name/age/gender of the oldest person Find the mean age of male people Find the number of male, female, and total people

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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A database of Prolog facts for a group of people contains the following two types of facts:
male([<name>, <name>, ... ] ).
female ([<name>, <name>, ... ] ).
age(<name> , <years>)
E.g., male([alex, tom, vic, ...]).
E.g., female([ann, sara, ella, ..]).
E.g. age(ann, 66).
For these facts write the following rules (you may use Prolog library functions):
person(<name>, <age>).
gender(<name>, gender>).
oldest(<name>, <age>, <gender>).
meanAgeM(<mean age>).
count(<male>, <female>, <total>).
Find the name and the age of a person
Find the name and the gender (male or female)
Find the name/age/gender of the oldest person
Find the mean age of male people
Find the number of male, female, and total people
Transcribed Image Text:A database of Prolog facts for a group of people contains the following two types of facts: male([<name>, <name>, ... ] ). female ([<name>, <name>, ... ] ). age(<name> , <years>) E.g., male([alex, tom, vic, ...]). E.g., female([ann, sara, ella, ..]). E.g. age(ann, 66). For these facts write the following rules (you may use Prolog library functions): person(<name>, <age>). gender(<name>, gender>). oldest(<name>, <age>, <gender>). meanAgeM(<mean age>). count(<male>, <female>, <total>). Find the name and the age of a person Find the name and the gender (male or female) Find the name/age/gender of the oldest person Find the mean age of male people Find the number of male, female, and total people
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