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	<title>Justin Leider's Web Think Tank</title>
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	<link>http://justinleider.wordpress.com</link>
	<description>An insider's view of Frameworks, ORMs, Architecture, and Cloud Computing.</description>
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		<title>Justin Leider's Web Think Tank</title>
		<link>http://justinleider.wordpress.com</link>
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		<title>SOLR Filtering Performance Increase</title>
		<link>http://justinleider.wordpress.com/2009/06/23/solr-filtering-performance-increase/</link>
		<comments>http://justinleider.wordpress.com/2009/06/23/solr-filtering-performance-increase/#comments</comments>
		<pubDate>Tue, 23 Jun 2009 15:55:44 +0000</pubDate>
		<dc:creator>Justin Leider</dc:creator>
				<category><![CDATA[solr]]></category>
		<category><![CDATA[Performance]]></category>

		<guid isPermaLink="false">http://www.derivante.com/?p=689</guid>
		<description><![CDATA[A couple months ago I wrote about the terrible performance and a work around for SOLR / Lucene search engine. I discovered that performance would drop off a cliff while using filter queries to narrow search results for search queries on common terms in large indexes.  Although, it looks like the issue has been addressed [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=justinleider.wordpress.com&amp;blog=3136369&amp;post=691&amp;subd=justinleider&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>0</slash:comments>
	
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			<media:title type="html">Justin Leider</media:title>
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			<media:title type="html">solr_fc</media:title>
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		<item>
		<title>PHP Rapid Application Development with ZF1.8 and AR</title>
		<link>http://justinleider.wordpress.com/2009/05/21/php-rapid-application-development-with-zf18-and-ar/</link>
		<comments>http://justinleider.wordpress.com/2009/05/21/php-rapid-application-development-with-zf18-and-ar/#comments</comments>
		<pubDate>Thu, 21 May 2009 19:02:42 +0000</pubDate>
		<dc:creator>cvanclay</dc:creator>
				<category><![CDATA[Framework]]></category>
		<category><![CDATA[Linux]]></category>
		<category><![CDATA[php]]></category>
		<category><![CDATA[ORM]]></category>
		<category><![CDATA[php 5.3]]></category>
		<category><![CDATA[phpactiverecord]]></category>
		<category><![CDATA[ZendFramework]]></category>
		<category><![CDATA[Zend_Tool]]></category>

		<guid isPermaLink="false">http://www.derivante.com/?p=627</guid>
		<description><![CDATA[In the days since I began programming in PHP the web has come a long way. With the 5.3 release of PHP, the OOP side of things are finally getting a much needed polish. In the past year there&#8217;s been a steady rise in the usage of Ruby on Rails for web development as programmers [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=justinleider.wordpress.com&amp;blog=3136369&amp;post=627&amp;subd=justinleider&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
		<wfw:commentRss>http://justinleider.wordpress.com/2009/05/21/php-rapid-application-development-with-zf18-and-ar/feed/</wfw:commentRss>
		<slash:comments>4</slash:comments>
	
		<media:content url="" medium="image">
			<media:title type="html">cvanclay</media:title>
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		<media:content url="http://www.derivante.com/wp-content/uploads/2009/05/php-med-trans-light.gif" medium="image">
			<media:title type="html">php-med-trans-light</media:title>
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		<title>PHP ActiveRecord Available for Beta Testing</title>
		<link>http://justinleider.wordpress.com/2009/05/19/php-activerecord-available-for-beta-testing/</link>
		<comments>http://justinleider.wordpress.com/2009/05/19/php-activerecord-available-for-beta-testing/#comments</comments>
		<pubDate>Wed, 20 May 2009 01:09:27 +0000</pubDate>
		<dc:creator>cvanclay</dc:creator>
				<category><![CDATA[php]]></category>
		<category><![CDATA[SQL]]></category>
		<category><![CDATA[activerecord]]></category>
		<category><![CDATA[ORM]]></category>
		<category><![CDATA[php 5.3]]></category>

		<guid isPermaLink="false">http://www.derivante.com/?p=548</guid>
		<description><![CDATA[We&#8217;ve been working hard to get this ready for people to start poking around in and we&#8217;re happy to announce that it&#8217;s now ready for public beta testing! You can grab it from http://github.com/kla/php-activerecord/. Play with it&#8230; break it&#8230; and give us your feedback to help us make a better library for everyone! We want [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=justinleider.wordpress.com&amp;blog=3136369&amp;post=548&amp;subd=justinleider&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>10</slash:comments>
	
		<media:content url="" medium="image">
			<media:title type="html">cvanclay</media:title>
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		<media:content url="http://www.derivante.com/wp-content/uploads/2009/05/php-med-trans-light.gif" medium="image">
			<media:title type="html">php-med-trans-light</media:title>
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		<title>PHP ActiveRecord with PHP 5.3</title>
		<link>http://justinleider.wordpress.com/2009/05/14/php-activerecord-with-php-53/</link>
		<comments>http://justinleider.wordpress.com/2009/05/14/php-activerecord-with-php-53/#comments</comments>
		<pubDate>Thu, 14 May 2009 04:21:34 +0000</pubDate>
		<dc:creator>cvanclay</dc:creator>
				<category><![CDATA[php]]></category>
		<category><![CDATA[activerecord]]></category>
		<category><![CDATA[ORM]]></category>
		<category><![CDATA[php 5.3]]></category>

		<guid isPermaLink="false">http://www.derivante.com/?p=391</guid>
		<description><![CDATA[Update! Find the latest here. PHP 5.3 gets ActiveRecord! A quick search to find an implementation of active record for php on google is discouraging when one considers the state of ActiveRecord for Ruby on Rails. The reader will notice that the top results are from very old posts and the rest of the results [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=justinleider.wordpress.com&amp;blog=3136369&amp;post=690&amp;subd=justinleider&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>14</slash:comments>
	
		<media:content url="" medium="image">
			<media:title type="html">cvanclay</media:title>
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		<media:content url="http://www.derivante.com/wp-content/uploads/2009/05/php-med-trans-light.gif" medium="image">
			<media:title type="html">php-med-trans-light</media:title>
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		<title>SOLR Performance Benchmarks – Single vs. Multi-core Index Shards</title>
		<link>http://justinleider.wordpress.com/2009/05/05/solr-performance-benchmarks-single-vs-multi-core-index-shards/</link>
		<comments>http://justinleider.wordpress.com/2009/05/05/solr-performance-benchmarks-single-vs-multi-core-index-shards/#comments</comments>
		<pubDate>Tue, 05 May 2009 22:23:13 +0000</pubDate>
		<dc:creator>Justin Leider</dc:creator>
				<category><![CDATA[solr]]></category>
		<category><![CDATA[Web Technology]]></category>
		<category><![CDATA[apache]]></category>
		<category><![CDATA[Performance]]></category>
		<category><![CDATA[scalability]]></category>
		<category><![CDATA[Search]]></category>
		<category><![CDATA[Shards]]></category>
		<category><![CDATA[Throughput]]></category>

		<guid isPermaLink="false">http://www.derivante.com/?p=350</guid>
		<description><![CDATA[Single vs. multi-core sharded index. Which one is the right one? There is not a whole lot of information out there, especially when it comes to hard numbers and comparisons. There are a couple reasons for this. The first one that comes to mind is the multi-core functionality offered by Apache SOLR is very nascent. [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=justinleider.wordpress.com&amp;blog=3136369&amp;post=350&amp;subd=justinleider&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
		<wfw:commentRss>http://justinleider.wordpress.com/2009/05/05/solr-performance-benchmarks-single-vs-multi-core-index-shards/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
	
		<media:content url="" medium="image">
			<media:title type="html">Justin Leider</media:title>
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		<media:content url="http://www.derivante.com/wp-content/uploads/2009/05/solr_fc.jpg" medium="image">
			<media:title type="html">solr_fc</media:title>
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			<media:title type="html">single-index-no-cache</media:title>
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		<media:content url="http://www.derivante.com/wp-content/uploads/2009/04/single-index-cache.jpg" medium="image">
			<media:title type="html">single-index-cache</media:title>
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			<media:title type="html">multicore-no-cache</media:title>
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			<media:title type="html">multicore-cache</media:title>
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		<media:content url="http://www.derivante.com/wp-content/uploads/2009/04/requests-per-second.jpg" medium="image">
			<media:title type="html">requests-per-second</media:title>
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		<media:content url="http://www.derivante.com/wp-content/uploads/2009/04/time-per-request.jpg" medium="image">
			<media:title type="html">time-per-request</media:title>
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			<media:title type="html">time-per-request-zoom</media:title>
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		<item>
		<title>100x Increase in SOLR Performance and Throughput</title>
		<link>http://justinleider.wordpress.com/2009/04/27/100x-increase-in-solr-performance-and-throughput/</link>
		<comments>http://justinleider.wordpress.com/2009/04/27/100x-increase-in-solr-performance-and-throughput/#comments</comments>
		<pubDate>Mon, 27 Apr 2009 20:28:27 +0000</pubDate>
		<dc:creator>Justin Leider</dc:creator>
				<category><![CDATA[solr]]></category>
		<category><![CDATA[Web Architecture]]></category>
		<category><![CDATA[Web Technology]]></category>
		<category><![CDATA[architecture]]></category>
		<category><![CDATA[Performance]]></category>
		<category><![CDATA[scalability]]></category>

		<guid isPermaLink="false">http://www.derivante.com/?p=341</guid>
		<description><![CDATA[Is your SOLR installation running slower than you think it should? Performance, throughput and scalability not what you are expecting or hoping? Do you constantly see that others have much higher SOLR query performance and scalability than you do? All it might take to fix your woes is a simple schema or query change. The [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=justinleider.wordpress.com&amp;blog=3136369&amp;post=341&amp;subd=justinleider&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
		<wfw:commentRss>http://justinleider.wordpress.com/2009/04/27/100x-increase-in-solr-performance-and-throughput/feed/</wfw:commentRss>
		<slash:comments>5</slash:comments>
	
		<media:content url="" medium="image">
			<media:title type="html">Justin Leider</media:title>
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		<media:content url="http://www.derivante.com/wp-content/uploads/2009/05/solr_fc.jpg" medium="image">
			<media:title type="html">SOLR</media:title>
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		<item>
		<title>PHP/KML Polyline Simplification with Douglas-Peucker</title>
		<link>http://justinleider.wordpress.com/2009/04/20/phpkml-polyline-simplification-with-douglas-peucker/</link>
		<comments>http://justinleider.wordpress.com/2009/04/20/phpkml-polyline-simplification-with-douglas-peucker/#comments</comments>
		<pubDate>Tue, 21 Apr 2009 02:41:16 +0000</pubDate>
		<dc:creator>cvanclay</dc:creator>
				<category><![CDATA[php]]></category>
		<category><![CDATA[Web Technology]]></category>

		<guid isPermaLink="false">http://www.derivante.com/?p=331</guid>
		<description><![CDATA[Quality GIS data sometimes comes with a lot more precision than what is usable for Google Maps (or other mapping software). The problem lies in the number of points representing a polygon that you want to overlay. A county representation for a state might include 100,000 points that is not usable without some form of [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=justinleider.wordpress.com&amp;blog=3136369&amp;post=331&amp;subd=justinleider&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
		<wfw:commentRss>http://justinleider.wordpress.com/2009/04/20/phpkml-polyline-simplification-with-douglas-peucker/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
	
		<media:content url="" medium="image">
			<media:title type="html">cvanclay</media:title>
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			<media:title type="html">php-med-trans-light</media:title>
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		<title>PHP GIS Functions</title>
		<link>http://justinleider.wordpress.com/2009/04/14/php-gis-functions/</link>
		<comments>http://justinleider.wordpress.com/2009/04/14/php-gis-functions/#comments</comments>
		<pubDate>Tue, 14 Apr 2009 17:35:53 +0000</pubDate>
		<dc:creator>cvanclay</dc:creator>
				<category><![CDATA[php]]></category>
		<category><![CDATA[SQL]]></category>

		<guid isPermaLink="false">http://www.derivante.com/?p=313</guid>
		<description><![CDATA[I have been working a lot of with PHP and GIS consulting for CitySquares and the History Engine. I found searching for everything I needed to do basic processing &#38; Google Integration tedious and painful. So here is a collection of common functions that helped me get through the massaging of the data and ready [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=justinleider.wordpress.com&amp;blog=3136369&amp;post=313&amp;subd=justinleider&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
		<wfw:commentRss>http://justinleider.wordpress.com/2009/04/14/php-gis-functions/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
	
		<media:content url="" medium="image">
			<media:title type="html">cvanclay</media:title>
		</media:content>

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		<title>Bayesian filter training with N-gram</title>
		<link>http://justinleider.wordpress.com/2009/03/31/bayesian-filter-training-with-n-gram/</link>
		<comments>http://justinleider.wordpress.com/2009/03/31/bayesian-filter-training-with-n-gram/#comments</comments>
		<pubDate>Wed, 01 Apr 2009 04:09:19 +0000</pubDate>
		<dc:creator>cvanclay</dc:creator>
				<category><![CDATA[Uncategorized]]></category>

		<guid isPermaLink="false">http://www.derivante.com/?p=274</guid>
		<description><![CDATA[Bayesian filtering is based on the principle that most events are dependent and that the probability of an event occurring in the future can be inferred from the previous occurrences of that event (link). A probability value is then assigned to each word or token; the probability is based on calculations that take into account [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=justinleider.wordpress.com&amp;blog=3136369&amp;post=274&amp;subd=justinleider&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
		<wfw:commentRss>http://justinleider.wordpress.com/2009/03/31/bayesian-filter-training-with-n-gram/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
	
		<media:content url="" medium="image">
			<media:title type="html">cvanclay</media:title>
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		<title>SEO: Taking control of search</title>
		<link>http://justinleider.wordpress.com/2009/03/30/seo-taking-control-of-search/</link>
		<comments>http://justinleider.wordpress.com/2009/03/30/seo-taking-control-of-search/#comments</comments>
		<pubDate>Mon, 30 Mar 2009 20:56:05 +0000</pubDate>
		<dc:creator>cvanclay</dc:creator>
				<category><![CDATA[General]]></category>

		<guid isPermaLink="false">http://www.derivante.com/?p=265</guid>
		<description><![CDATA[In my experience the majority of web agencies and developers still do not take search seriously enough. Most businesses have very simple requests, &#8220;How do I show up for keyword for people in the area&#8221;, &#8220;How do I show up higher than my competitor on searches&#8221;, and &#8220;How do people find my site&#8221;. The web [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=justinleider.wordpress.com&amp;blog=3136369&amp;post=265&amp;subd=justinleider&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
		<wfw:commentRss>http://justinleider.wordpress.com/2009/03/30/seo-taking-control-of-search/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
	
		<media:content url="" medium="image">
			<media:title type="html">cvanclay</media:title>
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