Registration, indexing and searching of chemical structures in relational databases is one of the core areas of cheminformatics [1, 2].
Registration, indexing and searching of chemical structures in relational databases is one of the core areas of cheminformatics.
We have presented OrChem, an open source extension for the Oracle 11G database platform that adds registration and indexing of chemical structures to support fast substructure and similarity searching.
Although the NCK regulatory data system captures accurate data on new student enrolment (indexing) and registration, the collection of data at other points in the pipeline is limited (for example, graduation, exam performance).
Note that tickets must be bought for three of them, while the fourth requires advance registration... Index on Censorship is staging a discussion on press freedom against the background of the continuing row over a new form of press regulation and the introduction of a new defamation law.
Since detection of asthma depends on follow-up duration from registration to index date of community-acquired E coli BSI, we designed our study to ensure that duration was similar between cases and controls.
Here we present OrChem, an extension for the Oracle 11G database that adds registration and indexing of chemical structures to support fast substructure and similarity searching.
Formal training of raters and a well-defined glossary are essential to ensure the optimal performance and achieve a valid registration of the index.
Nevertheless, the accuracy and completeness of diagnostic coding in primary care electronic health records rely on general practitioners' efforts and capacity that are often limited, especially regarding body mass index registration.
For the prospective study presented here, all childhood contacts of culture-confirmed TB patients, both symptomatic and asymptomatic, from 0 15 years of age who were identified within six months after registration of the index case between May 2010 and December 2011 were included, if they did not meet the exclusion criteria.
An unknown proportion of the DCO registrations since the index date will pertain to patients diagnosed before, and alive on, the index date.
