Andy Powell and Phil Barker explore the technical collaboration currently underway between the RDN and the LTSN and describe the RDN/LTSN LOM Application Profile and its use to support resource discovery. <a href="/issue39">issue39</a> April 2004 <a href="/category/article-type/feature-article">feature article</a> <a href="/taxonomy/term/354/author-info">andy powell</a>, <a href="/taxonomy/term/762/author-info">phil barker</a> Marieke Guy, Andy Powell and Michael Day address the argument that the quality of service to end-users is markedly influenced by the quality of metadata being produced and provide suggestions. <a href="/issue38">issue38</a> January 2004 <a href="/category/article-type/feature-article">feature article</a> <a href="/taxonomy/term/354/author-info">andy powell</a>, <a href="/taxonomy/term/732/author-info">marieke guy</a>, <a href="/taxonomy/term/407/author-info">michael day</a> Andy Powell and Liz Lyon look at possible relationships between the Web Services idea and earlier ideas about seamless access to information. <a href="/issue31">issue31</a> April 2002 <a href="/category/article-type/feature-article">feature article</a> <a href="/taxonomy/term/354/author-info">andy powell</a>, <a href="/taxonomy/term/675/author-info">liz lyon</a> Andy Powell describes UKOLN's OpenResolver, a freely available demonstration OpenURL resolver. <a href="/issue28">issue28</a> June 2001 <a href="/category/article-type/feature-article">feature article</a> <a href="/taxonomy/term/354/author-info">andy powell</a> Andy Powell and Ann Apps propose a mechanism for embedding machine parsable citations into Dublin Core (DC) metadata records. <a href="/issue27">issue27</a> March 2001 <a href="/category/article-type/regular-column">regular column</a> <a href="/taxonomy/term/354/author-info">andy powell</a>, <a href="/taxonomy/term/631/author-info">ann apps</a> Ian Peacock and Andy Powell describe a proposed algorithm for calculating a checksum for Web pages. <a href="/issue17">issue17</a> September 1998 <a href="/category/article-type/regular-column">regular column</a> <a href="/taxonomy/term/354/author-info">andy powell</a>, <a href="/taxonomy/term/490/author-info">ian peacock</a> Andy Powell presents three models for the way in which metadata can be managed across a Web site and describes some of the tools that are beginning to be used at UKOLN to embed Dublin Core metadata into Web pages. <a href="/issue10">issue10</a> July 1997 <a href="/category/article-type/feature-article">feature article</a> <a href="/taxonomy/term/354/author-info">andy powell</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>