Importance

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Abstract

A logistics system optimizes delivery times of shipments to a plurality of recipients or pick-up and/or return times of shipments from a plurality of recipients. The system includes a main server and at least one service provider client. The main server has a calendar database in which calendar entries representing an availability and/or unavailability of the recipients at their recipient address for at least one period of time are stored. The service provider client communicates with the main server and triggers a query of the calendar entries in the calendar database for a predefined recipient of the plurality of recipients. The main server comprises a query controller for querying the calendar database. The query controller handles query requests from the service provider client for a predefined recipient. When a query request is made by the service provider client for a particular time or a particular period of time, the query controller informs the service provider client, in response, whether the predefined recipient is available or unavailable at the recipient address at the particular time or period of time, based on the calendar entries.

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First Claim