Using OpenSearch with Nutch

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	Using OpenSearch with Nutch

ccharlebois

10-19-2007 7:56 AM

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nutch, opensearch

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/849b16d9-f4a3-45ab-a810-c1f5ba3b167a/99454C79-DE67-4330-86C4-95BA4937D599/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://today.java.net/pub/a/today/2006/02/16/introduction-to-nutch-2.html" href="http://today.java.net/pub/a/today/2006/02/16/introduction-to-nutch-2.html" style="font-size: 11px;">today.java.net</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://today.java.net/pub/a/today/2006/02/16/introduction-to-nutch-2.html"><H5><A id="using-opensearch-api" name="using-opensearch-api"></A>Using the OpenSearch API</H5></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://today.java.net/pub/a/today/2006/02/16/introduction-to-nutch-2.html"><P><A href="http://opensearch.a9.com/">OpenSearch</A> is an
extension of RSS 2.0 for publishing search engine results, and was
developed by <A href="http://a9.com">A9.com</A>, the search engine
owned by Amazon.com. Nutch supports OpenSearch 1.0 out of the box.
The OpenSearch results for the search in Figure 1 can be accessed
by clicking on the RSS link in the bottom right-hand corner of the
page. This is the XML that is returned:</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://today.java.net/pub/a/today/2006/02/16/introduction-to-nutch-2.html"><P>This document is an RSS 2.0 document, where each hit is
represented by an <CODE>item</CODE> element. Notice the two extra
namespaces, <CODE>opensearch</CODE> and <CODE>nutch</CODE>, which
allow search-specific data to be included in the RSS document. For
example, the <CODE>opensearch:totalResults</CODE> element tells you
the number of search results available (not just those returned in
this page). Nutch also defines its own extensions, allowing
consumers of this document to access page metadata or related
resources, such as the cached content of a page, via the URL in the
<CODE>nutch:cache</CODE> element.</P></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/99454C79-DE67-4330-86C4-95BA4937D599/blog/" title="blog or email this clip"><img src="http://content8.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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