Update of /cvsroot/nutch/nutch/src/web/jsp
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv23027/src/web/jsp
Modified Files:
search.jsp
Added Files:
refine-query-init.jsp refine-query.jsp
Log Message:
Add ontology plugin and its application of query refinement.
--- NEW FILE: refine-query.jsp ---
<%
// 20041129, Mike Pan and John Xing
// Displays query-refinement hypertext based on ontology.
// Try to be simple here. No mixing with other features such as clustering.
// Please check refine-query-init.jsp, which does necessary initialization.
List refineList = new ArrayList();
if (ontology != null) {
Iterator iter = ontology.subclasses(queryString);
while (iter.hasNext()) {
refineList.add((String)iter.next());
}
}
bean.LOG.info("Outputting refine query list");
if (refineList.size() > 0) {
%>
<div>
Refine your search:
<%
for (int i=0; i<refineList.size(); i++) {
String searchTerm = (String) refineList.get(i);
String searchTermHTML = net.nutch.html.Entities.encode(searchTerm);
String searchQuery = "query="+searchTermHTML;
String searchURL = "/search.jsp?"+ searchQuery;
%>
<a href="<%=searchURL%>"><%=searchTerm%></a> |
<%
}
%>
</div><br>
<%
}
%>
--- NEW FILE: refine-query-init.jsp ---
<%!
// 20041129, Mike Pan and John Xing
// Initiates Ontology ontology and loads in all owl files.
// Any problem (e.g., missing owl file or exception) will have this plugin
// siliently ignored.
// Please check ./refine-query.jsp, which provides query-refinement hypertext.
private static net.nutch.ontology.Ontology ontology;
// note: should we ignore plugin exceptions, or rethrow it below?
// Rethrowing it effectively prevents the servlet class from
// being loaded into the JVM. Need improvement in future.
static {
try {
String urls = net.nutch.util.NutchConf.get("extension.ontology.urls");
ontology = net.nutch.ontology.OntologyFactory.getOntology();
if (urls==null || urls.trim().equals("")) {
// ignored siliently
} else {
ontology.load(urls.split("\\s+"));
}
} catch (Exception e) {
// ignored siliently
}
};
%>
Index: search.jsp
===================================================================
RCS file: /cvsroot/nutch/nutch/src/web/jsp/search.jsp,v
retrieving revision 1.31
retrieving revision 1.32
diff -C2 -d -r1.31 -r1.32
*** search.jsp 3 Oct 2004 22:23:31 -0000 1.31
--- search.jsp 30 Nov 2004 06:36:03 -0000 1.32
***************
*** 43,47 ****
}
! %><%
NutchBean bean = NutchBean.get(application);
// set the character encoding to use when interpreting request values
--- 43,55 ----
}
! %>
!
! <%--
! // Uncomment this to enable query refinement.
! // Do the same to "refine-query.jsp" below.
! <%@ include file="./refine-query-init.jsp" %>
! --%>
!
! <%
NutchBean bean = NutchBean.get(application);
// set the character encoding to use when interpreting request values
***************
*** 122,125 ****
--- 130,140 ----
<% } %>
</form>
+
+ <%--
+ // Uncomment this to enable query refinement.
+ // Do the same to "refine-query-init.jsp" above.
+ <%@ include file="./refine-query.jsp" %>
+ --%>
+
<%
// how many hits to retrieve? if clustering is on and available,
-------------------------------------------------------
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