Stories from April, 2018

Chemical Structures in Databases (blog article 3 of 8) : Extensible Indexing

Traditionally database indexes, a mechanism to quickly locate data within the database without significant performance penalty, have been limited to database data type primitives. ...Read more

Chemical Structures in Databases (blog article 2 of 8) : Chemical Structure Databases

The Cope-Chat approach previously described remains the crux of most chemoinformatic database systems. The implementation provides a mechanism to search on chemical (sub)structure or reaction scheme ...Read more

Chemical Structures in Databases (blog article 1 of 8) : Cope-Chat cards, some 1930’s technology

A most fascinating and simple early technology for the indexing of information, a precursor to databases and their respective indexes, used Cope-Chat (Copeland ...Read more