diff --git a/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/hostedbymap/model/DatasourceInfo.java b/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/hostedbymap/model/DatasourceInfo.java
new file mode 100644
index 000000000..f5ac8f70c
--- /dev/null
+++ b/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/hostedbymap/model/DatasourceInfo.java
@@ -0,0 +1,72 @@
+package eu.dnetlib.dhp.oa.graph.hostedbymap.model;
+
+import java.io.Serializable;
+
+public class DatasourceInfo implements Serializable {
+    private String id;
+    private String officialname;
+    private String issn;
+    private String eissn;
+    private String lissn;
+    private Boolean openAccess;
+
+    public String getId() {
+        return id;
+    }
+
+    public void setId(String id) {
+        this.id = id;
+    }
+
+    public String getOfficialname() {
+        return officialname;
+    }
+
+    public void setOfficialname(String officialname) {
+        this.officialname = officialname;
+    }
+
+    public String getIssn() {
+        return issn;
+    }
+
+    public void setIssn(String issn) {
+        this.issn = issn;
+    }
+
+    public String getEissn() {
+        return eissn;
+    }
+
+    public void setEissn(String eissn) {
+        this.eissn = eissn;
+    }
+
+    public String getLissn() {
+        return lissn;
+    }
+
+    public void setLissn(String lissn) {
+        this.lissn = lissn;
+    }
+
+    public Boolean getOpenAccess() {
+        return openAccess;
+    }
+
+    public void setOpenAccess(Boolean openAccess) {
+        this.openAccess = openAccess;
+    }
+
+    public static DatasourceInfo newInstance(String id, String officialname, String issn, String eissn, String lissn){
+        DatasourceInfo di = new DatasourceInfo();
+        di.id = id;
+        di.officialname = officialname;
+        di.issn = (issn != null) ? issn :  "" ;
+        di.eissn = (eissn != null) ? eissn:"";
+        di.lissn = (lissn != null) ? lissn : "";
+        di.openAccess = false;
+
+        return di;
+    }
+}
diff --git a/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/hostedbymap/model/EntityInfo.java b/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/hostedbymap/model/EntityInfo.java
new file mode 100644
index 000000000..7bf9d0598
--- /dev/null
+++ b/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/hostedbymap/model/EntityInfo.java
@@ -0,0 +1,69 @@
+package eu.dnetlib.dhp.oa.graph.hostedbymap.model;
+
+import java.io.Serializable;
+
+public class EntityInfo implements Serializable {
+    private String id;
+    private String journal_id;
+    private String name;
+    private Boolean openaccess;
+    private String hb_id;
+
+
+
+    public String getId() {
+        return id;
+    }
+
+    public void setId(String id) {
+        this.id = id;
+    }
+
+    public String getJournal_id() {
+        return journal_id;
+    }
+
+    public void setJournal_id(String journal_id) {
+        this.journal_id = journal_id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public Boolean getOpenaccess() {
+        return openaccess;
+    }
+
+    public void setOpenaccess(Boolean openaccess) {
+        this.openaccess = openaccess;
+    }
+
+    public String getHb_id() {
+        return hb_id;
+    }
+
+    public void setHb_id(String hb_id) {
+        this.hb_id = hb_id;
+    }
+
+    public static EntityInfo newInstance(String id, String j_id, String name){
+        return newInstance(id, j_id, name, false);
+
+    }
+
+    public static EntityInfo newInstance(String id, String j_id, String name, Boolean openaccess){
+        EntityInfo pi = new EntityInfo();
+        pi.id = id;
+        pi.journal_id = j_id;
+        pi.name = name;
+        pi.openaccess = openaccess;
+        pi.hb_id = "";
+        return pi;
+
+    }
+}