Integrated library system
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An integrated library system (ILS), also known as a library management system (LMS), is a type of enterprise resource planning system designed for libraries. It is utilized to track items owned by the library, orders placed, invoices paid, and patrons who have borrowed materials.
An ILS is typically composed of three components: a relational database, software for interacting with that database, and two graphical user interfaces (one for patrons and one for staff). Most ILSes separate software functions into discrete programs, known as modules, with each module integrated with a unified interface. Examples of modules might include:
- acquisitions (ordering, receiving, and invoicing materials)
- cataloging (classifying and indexing materials)
- circulation (lending materials to patrons and receiving them back)
- serials (tracking magazine, journals, and newspaper holdings)
- online public access catalog or OPAC (public user interface)
Each patron and item has a unique ID in the database that allows the ILS to track its activity.