Discovering and Analyzing the Intellectual Structure and Its Evolution in Core Journals of "Knowledge and Information Science" during 2004-2013

This study aims to reveal the intellectual structure of Knowledge and Information Science and its evolution along with the review of journals subjective scope based on 6830 abstract in the ten core journal in the JCR 2013, over the ten years (2004-2013). In this research, co-word and Correspondence analysis of 150 words -selected by tf-idf weight- were done after parametric analysis. To this end, the Cosine theta index and the second-order affinity were used for the hierarchical clustering based on the average-linkage algorithm.
Findings: The results of the co-word analysis reveal 3 mature clusters and 1 immature cluster in relation to the second cluster. Furthermore, the study of journals' domain show four clusters and the time progress show two clusters in counterclockwise motion. In general, the results show except cluster four all clusters have a stable state with conceptual maturity, and along with constant concepts, a conceptual metamorphosis can be seen under the influence of technological change