Nick Nicholas, Nigel Ward and Kerry Blinco present an information model of digital identifiers, to help bring clarity to the vocabulary debates from which this field has suffered. <a href="/issue62">issue62</a> January 2010 <a href="/category/article-type/feature-article">feature article</a> <a href="/taxonomy/term/370/author-info">kerry blinco</a>, <a href="/taxonomy/term/1075/author-info">nick nicholas</a>, <a href="/taxonomy/term/1076/author-info">nigel ward</a> Christopher Eddie reports on the third one-day workshop of the JISC-PoWR (Preservation of Web Resources) Project held at the University of Manchester on 12 September 2008. <a href="/category/issue-number/issue57">issue57</a> October 2008 <a href="/category/article-type/event-report">event report</a> <a href="/taxonomy/term/1009/author-info">christopher eddie</a> Emma Tonkin looks at the current landscape of persistent identifiers, describes several current services, and examines the theoretical background behind their structure and use. <a href="/category/issue-number/issue56">issue56</a> July 2008 <a href="/category/article-type/feature-article">feature article</a> <a href="/taxonomy/term/809/author-info">emma tonkin</a> John Gilby reports on the UKOLN/IESR two-day workshop at Scarman House, University of Warwick on 14-15 July 2005. <a href="/issue45">issue45</a> October 2005 <a href="/category/article-type/event-report">event report</a> <a href="/taxonomy/term/613/author-info">john gilby</a> Dave Beckett reports on the international WWW2004 conference held in New York, 19-21 May 2004. <a href="/issue40">issue40</a> July 2004 <a href="/category/article-type/event-report">event report</a> <a href="/taxonomy/term/227/author-info">dave beckett</a> Monica Duke reports on a two-day training seminar on persistent identifiers held by ERPANET in Cork, Ireland over 17-18 June 2004. <a href="/issue40">issue40</a> July 2004 <a href="/category/article-type/event-report">event report</a> <a href="/taxonomy/term/737/author-info">monica duke</a> How many web servers are there in the UK Higher Education community? Brian Kelly provides some answers. <a href="/issue24">issue24</a> June 2000 <a href="/category/article-type/tooled">tooled up</a> <a href="/taxonomy/term/203/author-info">brian kelly</a> Performance and Security - Notes for System Administrators: Andy Powell offers some hints and tips on the performance and security aspects of running electronic library services on UNIX based machines. <a href="/issue8">issue8</a> March 1997 <a href="/category/article-type/tooled">tooled up</a> <a href="/taxonomy/term/354/author-info">andy powell</a> Peter Burden of the University of Wolverhampton's School of Computing and Information Technology describes the history behind his clickable maps of the UK, an essential and well established (though unfunded) resource for quickly locating academic and research Web sites. <a href="/issue5">issue5</a> September 1996 <a href="/category/article-type/project-update">project update</a> <a href="/taxonomy/term/275/author-info">peter burden</a> Dave Beckett and Neil Smith explain a search engine that only indexes sites in the .ac.uk domain. <a href="/issue3">issue3</a> May 1996 <a href="/category/article-type/feature-article">feature article</a> <a href="/taxonomy/term/227/author-info">dave beckett</a>, <a href="/taxonomy/term/228/author-info">neil smith</a>