Problem extracting data
Hello I am new to rapidminer. I started out with a simple craiglist scrape. However, I do not get any data back. Can some one please advise?
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<process version="5.2.008">
<context>
<input/>
<output/>
<macros/>
</context>
<operator activated="true" class="process" compatibility="5.2.008" expanded="true" name="Process">
<process expanded="true" height="-20" width="-50">
<operator activated="true" class="web:process_web" compatibility="5.2.003" expanded="true" height="60" name="Process Documents from Web" width="90" x="36" y="46">
<parameter key="url" value="http://tampa.craigslist.org/cto"/>
<list key="crawling_rules"/>
<parameter key="add_pages_as_attribute" value="true"/>
<parameter key="domain" value="subtree"/>
<parameter key="max_page_size" value="10000"/>
<parameter key="user_agent" value="Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.11 (KHTML, like Gecko) Chrome/23.0.1271.95 Safari/537.11"/>
<parameter key="obey_robot_exclusion" value="false"/>
<parameter key="really_ignore_exclusion" value="true"/>
<process expanded="true" height="171" width="738">
<operator activated="true" class="text:extract_information" compatibility="5.2.004" expanded="true" height="60" name="Extract Information" width="90" x="114" y="24">
<parameter key="query_type" value="XPath"/>
<list key="string_machting_queries"/>
<parameter key="attribute_type" value="Binominal"/>
<list key="regular_expression_queries"/>
<list key="regular_region_queries"/>
<list key="xpath_queries">
<parameter key="link" value="//*[@id=&quot;toc_rows"]/p"/>
<parameter key="price" value="//*[@id=&quot;toc_rows"]/p[2]/span"/>
<parameter key="location" value="//*[@id=&quot;toc_rows"]/p[2]/span[6]/font"/>
<parameter key="title" value="/html/body/article/section/h2"/>
<parameter key="ad body" value="//*[@id=&quot;userbody"]"/>
<parameter key="postingid" value="/html/body/article/section/p"/>
<parameter key="email" value="/html/body/article/section/section[1]/small/a"/>
</list>
<list key="namespaces">
<parameter key="postingtitle" value="*[local-name(.) = 'postingtitle']"/>
<parameter key="body" value="*[local-name(.) = 'userbody']"/>
<parameter key="email" value="*[local-name(.) = 'small']"/>
</list>
<list key="index_queries"/>
</operator>
<connect from_port="document" to_op="Extract Information" to_port="document"/>
<connect from_op="Extract Information" from_port="document" to_port="document 1"/>
<portSpacing port="source_document" spacing="0"/>
<portSpacing port="sink_document 1" spacing="0"/>
<portSpacing port="sink_document 2" spacing="0"/>
</process>
</operator>
<connect from_op="Process Documents from Web" from_port="example set" to_port="result 1"/>
<portSpacing port="source_input 1" spacing="0"/>
<portSpacing port="sink_result 1" spacing="0"/>
<portSpacing port="sink_result 2" spacing="0"/>
</process>
</operator>
</process>