Abstract: In this paper, TF-IDF algorithm is used to extract high-frequency keywords, LDA topic model is used to extract topic words, and TF-IDF vectorized text is used to calculate topic similarity.

From 3-5 February over 6,000 visitors flocked to London’s Business Design Centre where over 180 exhibitors showcased the best in surface and material innovation. An expanded programme saw visitors ...

Abstract: The following topics are dealt with: Web site reverse engineering and maintenance; Web site clustering and clone detection; Web technologies; and Web site architecture analysis and evolution ...