Editing HOLMES 2 (section)

==Technical details==
The client/server architecture of HOLMES 2 is based on [[Windows 2000|Microsoft Windows 2000]] Professional or [[Windows NT 4.0|NT 4.0]] workstations with [[UNIX]] servers running either [[Solaris (operating system)|Solaris]] or [[UnixWare]]. The system network communicates by using [[Internet Protocol Suite|TCP/IP]] [[Protocol (computing)|network protocols]] for [[Local area network|LAN]] and [[Wireless LAN|WLAN]] communication.

Furthermore, HOLMES 2 uses a two-tier approach for local [[database]] access and a three-tier approach for remote database access, whereby remote database access is user-configurable from the front end. A free-text database allows users to ask unstructured questions and to present the results in order of relevance. Apart from that, a dual operation was adopted to increase the speed of the system. While searches themselves were tuned at the [[SQL]] (Structured Query Language) level, additional indexes on the [[Relational database management system|RDBMS]] (relational database management system) tables were deployed.<ref>For further information about the technical details of the system see http://www.holmes2.com/holmes2/whatish2/techdetail/</ref>