Article 50 and Beyond

Data Clustering: 50 Years Beyond K-means

Organizing data into sensible groupings is one of the most fundamental modes of understanding and learning. As an example, a common scheme of scientific classification puts organisms into taxonomic ranks: domain, kingdom, phylum, class, etc.). Cluster analysis is the formal study of algorithms and methods for grouping, or clustering, objects according to measured or perceived intrinsic characte...

The Future of Sunscreens – What Lies Beyond SPF 50+?

Reply concerning the article "Zika virus and autoimmunity: From microcephaly to Guillain-Barré syndrome, and beyond".

Zika virus (ZIKV) infection during pregnancy may be linked to fetal neurological complications that include brain damage and microcephaly. How the viral infection relates to fetal brain malformations is unknown. This study analyzes ZIKV polyprotein for peptide sharing with human proteins that, when altered, associate with microcephaly and brain calcifications. Results highlight a vast viral ver...

Article 50 million: an estimate of the number of scholarly articles in existence

How many scholarly research articles are there in existence? Journal articles first appeared in 1665,and the cumulative total is estimated here to pass 50 million in 2009. This sum was arrived at based on published figures for global annual output for 2006, and analyses of annual output and growth rates published in the last decade.

Automated Processing of Digitized Historical Newspapers beyond the Article Level: Sections and Regular Features

Millions of pages of historical newspapers have been digitized but in most cases access to these are supported by only basic search services. We are exploring interactive services for these collections which would be useful for supporting access, including automatic categorization of articles. Such categorization is difficult because of the uneven quality of the OCR text, but there are many clu...