Intensional HTML is a high-level Web authoring language that makes practical (using standard client and server software) the speci cation of pages and sites that exist in many di erent versions or variants. Each page of IHTML de nes an intension | an indexed family of actual (extensional) HTML pages which varies over a multi-dimensional author-speci ed version space. The version space is partia...

HTML tables have become pervasive on the Web. Extracting their data automatically is difficult because finding relationships between cells not trivial due to many different layouts, encodings, and formats available. In this article, we introduce Melva, which an unsupervised domain-agnostic proposal extract from without requiring any external knowledge bases. It relies a clustering approach that...

As the field of chemical biology has grown, Nature Chemical Biology has expanded to reflect the diversity of science at the interface of chemistry and biology. Throughout this period, the editorial team has endeavored to publish leading research and thoughtful commentary across chemical biology and to present the field’s discoveries to the widest possible audience. As we enter our sixth volume,...