Improved Page Rank Algorithm Based on Topic-relevance and Time

An improved algorithm named TRTPR(Topic Relevance and Time PageRank) is given out, which combines topic relevance and pub-date with PageRank. The newness and oldness of web pages and their topic telation are judged according to the analysis of links.The research results show that the improved algorithm has better effect than PageRank algorithm on time factor and theme-relevance.