An alphabetical filing system works well when you need to retrieve names of people, customers, authors, names of movies, books etc. Provided you use terms that are easy to retrieve, an alphabetical filing system is often the easiest system to use.
The precise understanding of a model is based on the knowledge of multiple research data published in several, sometimes relatively old, research papers in which the relevant information is often not easy to retrieve from a large bunch of data that may have become obsolete.
The fact that e- mail, for example, is hard to delete and easy to retrieve is partly a consequence of current technology, and technology can change.
Among the criteria for HCAP, a history of previous hospitalization or antibiotic treatment is less easy to retrieve than admission from a health-care facility, especially in the ICU where patients often cannot be questioned.
Second, a wiki makes it very easy to retrieve complete sets of object-oriented information, which are represented as a wiki page.
Atrieva lets you back up two machines for one fee and makes it relatively easy to retrieve individual files over the Web on a different machine.
Data are as easy to retrieve from paper as reaching across your desk for a textbook.
The real value of the service lies in its ability to make sense of all that data, however, and index it in a way that makes it easy to retrieve by even people who have no special training in data analytics.
It helps to sharpen the brain's auditory processors, to record sharper, clearer signals of those sounds – so when you hear a name at a party it is recorded crisply, and is easy to retrieve from memory.
