Domain analysis with text mining: Analysis of digital library research trends using profiling methods

This study analysed the research domain ‘digital library’ from the perspective of library and information science. The authors searched keywords digital library/digital libraries in database LISA from 1994 to 2008. Fifty-four journals and 120 descriptors were selected and analysed with profiling, parallel nearest neighbour clustering and cluster-based network methods. Phase 1 included fundamental research (with main descriptor electronic media); Phase 2 research was related to user studies; Phase 3 research was related to metadata.