SELECT ?service_performed ?service_date ?battery_exchange_old_battery ?battery_exchange_new_battery ?center ?technician
WHERE{
?service_performed a tes:battery_exchange.
?service_performed tes:performed_for ?private.
?private tes:private_name ?private_name.
?service_performed tes:service_date ?service_date.
?service_performed tes:battery_exchange_old_battery ?battery_exchange_old_battery.
?service_performed tes:battery_exchange_new_battery ?battery_exchange_new_battery.
?service_performed tes:performed_by ?technician.
?service_performed tes:performed_in ?center.
FILTER (?private_name="alexandre grozel"^^xsd:string)
}
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