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Airline reservation systems (ARS) are systems that allow an airline to sell their inventory (seats). It contains information on schedules and fares and contains a database of reservations (or passenger name records) and of tickets issued (if applicable).
Electronic data interchange (EDI) is the concept of businesses electronically communicating information that was traditionally communicated on paper, such as purchase orders, advance ship notices, and invoices. Technical standards for EDI exist to facilitate parties transacting such instruments without having to make special arrangements.
This is a list of abbreviations used in law and legal documents. It is common practice in legal documents to cite other publications by using standard abbreviations for the title of each source.
Electronic Data Systems (EDS) was an American multinational information technology equipment and services company headquartered in Plano, Texas, which was founded in 1962 by Ross Perot.
Computer reservation systems, or central reservation systems (CRS), are computerized systems used to store and retrieve information and conduct transactions related to air travel, hotels, car rental, or other activities.
Purchase order request. A purchase order request or purchase requisition is a request sent internally within a company to obtain purchased goods and services, including stock. The request is a document which tells the purchasing department or manager exactly what items and services are requested, the quantity, source and associated costs.
Requirements engineering (RE) [1] is the process of defining, documenting, and maintaining requirements [2] in the engineering design process. It is a common role in systems engineering and software engineering.
In the first internet boom, dedicated e-procurement software systems were available from companies like Ariba and Commerce One to automate the purchase requisition process by allowing users to browse online catalogs to view products and services from approved suppliers.