Summa: This Is Not a Demo

The Summa search system is a fast, scalable, modular, open source search system, which can integrate all types of library metadata and full text. The Summa search system is based on user studies and on librarian expertise in formats and metadata. Summa is an open and modular design. Summa offers modules for faceted browsing, automated cluster extraction and a flexible user interface among others. The in-house Summa production system at The State and University Library in Denmark searches a corpus of 8 million records. The Summa search system version 1.0 to be released in the autumn 2008 is designed to scale to hundreds of millions.