Trying to assess the importance of particular scientific papers has long been a tricky task. The current system relies on counting the number of times a paper is cited by others to determine how large ...

Personalized PageRank (PPR) algorithms have emerged as a cornerstone methodology in analysing and utilising the inherent structure of large-scale networks. By refining the classic PageRank concept to ...

Angela Merkel’s desire to make search-engine algorithms transparent is laudable, but controlling the power of Google et al will be more complex than that On 25 October, the German chancellor, Angela ...

Google's algorithm for ranking web pages can be adapted to determine which species are critical for sustaining ecosystems, say researchers. According to a paper in PLoS Computational Biology, ...