diff --git a/modules/bibconvert/etc/Makefile.am b/modules/bibconvert/etc/Makefile.am
index d72ec96543..1617525915 100644
--- a/modules/bibconvert/etc/Makefile.am
+++ b/modules/bibconvert/etc/Makefile.am
@@ -22,7 +22,8 @@ kb_DATA = entdec-to-latin1.kb entdec-to-utf8.kb \
 
 xsldir = $(sysconfdir)/bibconvert/config
 xsl_DATA = oaidc2marcxml.xsl oaimarc2marcxml.xsl oaiarxiv2marcxml.xsl \
-           oaidmf2marcxml.xsl authorlist2marcxml.xsl crossref2marcxml.xsl bibtex2marcxml.cfg
+           oaidmf2marcxml.xsl oaiinspire2marcxml.xsl authorlist2marcxml.xsl \
+           crossref2marcxml.xsl bibtex2marcxml.cfg
 
 EXTRA_DIST = $(kb_DATA) $(xsl_DATA)
 
diff --git a/modules/bibconvert/etc/oaiinspire2marcxml.xsl b/modules/bibconvert/etc/oaiinspire2marcxml.xsl
new file mode 100644
index 0000000000..56306c673a
--- /dev/null
+++ b/modules/bibconvert/etc/oaiinspire2marcxml.xsl
@@ -0,0 +1,134 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- $Id$
+
+     This file is part of Invenio.
+     Copyright (C) 2016 CERN.
+
+     Invenio is free software; you can redistribute it and/or
+     modify it under the terms of the GNU General Public License as
+     published by the Free Software Foundation; either version 2 of the
+     License, or (at your option) any later version.
+
+     Invenio is distributed in the hope that it will be useful, but
+     WITHOUT ANY WARRANTY; without even the implied warranty of
+     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+     General Public License for more details.
+
+     You should have received a copy of the GNU General Public License
+     along with Invenio; if not, write to the Free Software Foundation, Inc.,
+     59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+-->
+<!-- This transformation keeps the same source file, with the following exceptions:
+     - OAI envelope is removed
+     - Records marked with status='deleted' are returned as deleted for Invenio
+     - subfield 980 $w is removed
+     - add 'Inspire' in 035__$9
+
+     This stylesheet is provided only as an example of transformation.
+     Please look for 'CUSTOMIZEME' labels in this stylesheet in order to find
+     key parts that you should customize to fit your installation needs.
+
+     Also note that this stylesheet expect source file to correctly refers to
+        http://www.loc.gov/MARC21/slim and
+        http://www.openarchives.org/OAI/2.0/ namespaces
+-->
+<xsl:stylesheet version="1.0"
+xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
+xmlns:OAI-PMH="http://www.openarchives.org/OAI/2.0/"
+xmlns:marc="http://www.loc.gov/MARC21/slim"
+xmlns:OAI-provenance="http://www.openarchives.org/OAI/2.0/provenance"
+xmlns:fn="http://cdsweb.cern.ch/bibconvert/fn"
+exclude-result-prefixes="OAI-PMH marc OAI-provenance fn">
+  <xsl:output method="xml" encoding="UTF-8" />
+  <xsl:template match="/">
+    <collection>
+      <xsl:for-each select="//OAI-PMH:record">
+        <xsl:choose>
+          <xsl:when test="./OAI-PMH:header[@status='deleted']">
+            <record>
+              <xsl:if test="./OAI-PMH:header/OAI-PMH:identifier | ./OAI-PMH:header/OAI-PMH:setSpec">
+                <!-- CUSTOMIZEME: Modify the datafield below with tag and indicators used
+                                      in your Invenio installation for the OAI Provenance Field -->
+                <datafield tag="035" ind1=" " ind2=" ">
+                  <subfield code="a"><xsl:value-of select="./OAI-PMH:header/OAI-PMH:identifier" /></subfield>
+                  <subfield code="u"><xsl:value-of select="//OAI-PMH:request" /></subfield>
+                  <subfield code="9">Inspire</subfield>
+                  <subfield code="d"><xsl:value-of select="./OAI-PMH:header/OAI-PMH:datestamp" /></subfield>
+                  <subfield code="h"><xsl:value-of select="//OAI-PMH:responseDate" /></subfield>
+                  <subfield code="m"><xsl:value-of select="//OAI-PMH:request/@metadataPrefix" /></subfield>
+                  <xsl:if test="./OAI-PMH:about/OAI-provenance:provenance/OAI-provenance:originDescription">
+                    <xsl:variable name="origin" select="./OAI-PMH:about/OAI-provenance:provenance/OAI-provenance:originDescription" />
+                    <subfield code="o"><value-of select="fn:escape($origin)" /></subfield>
+                  </xsl:if>
+                  <subfield code="t">false</subfield>
+                </datafield>
+              </xsl:if>
+              <datafield tag="980" ind1="" ind2="">
+                <subfield code="c">DELETED</subfield>
+              </datafield>
+            </record>
+          </xsl:when>
+          <xsl:otherwise>
+            <record>
+              <xsl:for-each select="./OAI-PMH:metadata/marc:record/marc:datafield">
+                <!-- CUSTOMIZEME: Modify below in order to choose which
+                                             datafield/subfield will be kept
+                                             and which will be dropped
+
+                                             Sample below: -keep if tag is not 980__ and has subfields
+                                                           -if tag is 980__ , keep datafield only if some
+                                                            subfield with code != 'w' exist. Remove
+                                                            subfield 980__w.
+                                                -->
+                <xsl:choose>
+                  <xsl:when test="not(@tag='980' and (@ind1='' or @ind1=' ') and (@ind2='' or @ind2=' ') and ./marc:subfield)">
+
+                    <xsl:element name="{local-name(.)}">
+                      <xsl:copy-of select="@*" />
+                      <xsl:for-each select="./marc:subfield">
+                        <xsl:element name="{local-name(.)}">
+                          <xsl:copy-of select="@*" />
+                          <xsl:value-of select="." />
+                        </xsl:element>
+                      </xsl:for-each>
+                    </xsl:element>
+                  </xsl:when>
+                  <xsl:otherwise>
+                    <xsl:if test="./marc:subfield[@code!='w']">
+                      <xsl:element name="{local-name(.)}">
+                        <xsl:copy-of select="@*" />
+                        <xsl:for-each select="./marc:subfield[@code!='w']">
+                          <xsl:element name="{local-name(.)}">
+                            <xsl:copy-of select="@*" />
+                            <xsl:value-of select="." />
+                          </xsl:element>
+                        </xsl:for-each>
+                      </xsl:element>
+                    </xsl:if>
+                  </xsl:otherwise>
+                </xsl:choose>
+              </xsl:for-each>
+              <xsl:if test="./OAI-PMH:header/OAI-PMH:identifier">
+                <!-- CUSTOMIZEME: Modify the datafield below with tag and indicators used
+                                      in your Invenio installation for the OAI Provenance Field -->
+                <datafield tag="035" ind1=" " ind2=" ">
+                  <subfield code="a"><xsl:value-of select="./OAI-PMH:header/OAI-PMH:identifier" /></subfield>
+                  <subfield code="u"><xsl:value-of select="//OAI-PMH:request" /></subfield>
+                  <subfield code="9">Inspire</subfield>
+                  <subfield code="d"><xsl:value-of select="./OAI-PMH:header/OAI-PMH:datestamp" /></subfield>
+                  <subfield code="h"><xsl:value-of select="//OAI-PMH:responseDate" /></subfield>
+                  <subfield code="m"><xsl:value-of select="//OAI-PMH:request/@metadataPrefix" /></subfield>
+                  <xsl:if test="./OAI-PMH:about/OAI-provenance:provenance/OAI-provenance:originDescription">
+                    <xsl:variable name="origin" select="./OAI-PMH:about/OAI-provenance:provenance/OAI-provenance:originDescription" />
+                    <subfield code="o"><xsl:value-of select="fn:escape($origin)" /></subfield>
+                  </xsl:if>
+                  <subfield code="t">false</subfield>
+                </datafield>
+              </xsl:if>
+            </record>
+          </xsl:otherwise>
+        </xsl:choose>
+      </xsl:for-each>
+    </collection>
+  </xsl:template>
+</xsl:stylesheet>
diff --git a/modules/oaiharvest/lib/oai_harvest_getter.py b/modules/oaiharvest/lib/oai_harvest_getter.py
index e7d902bb9e..a24dffbefe 100644
--- a/modules/oaiharvest/lib/oai_harvest_getter.py
+++ b/modules/oaiharvest/lib/oai_harvest_getter.py
@@ -120,8 +120,14 @@ def OAI_Session(server, script, http_param_dict , method="POST", output="",
 
         # FIXME We should NOT use regular expressions to parse XML. This works
         # for the time being to escape namespaces.
+        # Regexp for big files (for example from Inspire will be extremally
+        # slow) but we know that the resumption token should be located at the
+        # beginning of file, so we can search only in the first 10 000
+        # characters
+        # rt_obj = re.search('<.*resumptionToken.*>(.*)</.*resumptionToken.*>',
+        #     harvested_data, re.DOTALL)
         rt_obj = re.search('<.*resumptionToken.*>(.*)</.*resumptionToken.*>',
-            harvested_data, re.DOTALL)
+            harvested_data[0:10000], re.DOTALL)
         if rt_obj is not None and rt_obj.group(1) != "":
             http_param_dict = http_param_resume(http_param_dict, rt_obj.group(1))
             i = i + 1