Page History

...

This document collects available statistics, for both NCI and related systems, to capture the level, composition, and nature of use of specific EVS resources, and then fleshes this out with operational details, user reports and other information, including top users of specific resources. Each section focuses on a particular topic, with selected highlights gathered here.

Direct Use

...

of EVS

...

Servers

• EVS browsers, using LexEVS local APIs, are used by 5,000 – 6,000 unique visitors monthly with some 15,000 visits.
• Top users include NCI (CBIIT and others), FDA, various parts of NIH, many universities and biomedical companies, and other biomedical organizations.
• LexEVS distributed APIs are used by 100-150 unique visitors monthly, mostly applications including many CBIIT tools, OCE, NCRR, and many universities and biomedical research organizations.
• LexEVS caGRID Data and Analytical services each attract 90-120 unique visitors monthly, accessing a total of 12-18 GB of terminology data.
• The Term Suggestion site is hit by 100-120 unique visitors with 200-300 visits monthly.
• FTP access is only partly tracked, but included 25,000 file downloads via the http interface in June 2011.

...

Use of EVS Content on Select Non-

...

EVS Servers

• Some 40,000 unique visitors monthly use the NCI Drug Dictionary, built from NCI Thesaurus drug content and representing some 2-3% of all Cancer.gov use.
• Tens of thousands use FDA file and listservs for EVS supported FDA terminology standards, used on FDA internal servers for coding and validation of tens of thousands of data submissions each month.
• The SPL listserv alone has some 40,000 subscribers, and 9,466 different entities in more than 100 countries use this terminology to list their products.
• CDRH alone reports 35,000 safety report submissions a month based on NCI Thesaurus terminology.
• CDISC server registered downloads 2009-11 totaled 2,973 users from 1,524 organizations for SDTM, 866 users from 603 organizations for CDASH.
• Combined with downloads from NCI servers, total downloads of the entire standard exceeded 14,000, primarily for institutional use.
• NLM redistributes NCI Thesaurus to its 5,500 UMLS users, and gets 10,000,000 hits monthly on its 27,000 DailyMed SPL files all using EVS maintained SPL terminology.
• NCBO had 8,843 NCI Thesaurus page views January-July 2011, keeping it at or near the top of use among NCBO's 200 collected terminologies and ontologies.

...