The organization and classification of the bewildering variety of protein structure has been approached using clustering methods. Various computer programs have been devised to measure the ...

Tracking change activity over time requires complicating what might otherwise be simple data structures. One approach that many like to employ involves simply adding a start or effective date onto a ...

Over the past few years, there has been a subtle but significant shift in the way that data is structured in databases. Whereas yesterday’s databases were typically limited to storing data in rows and ...