diff --git a/grails-app/conf/application.groovy b/grails-app/conf/application.groovy
index 8f0b6285e..c4ff29125 100644
--- a/grails-app/conf/application.groovy
+++ b/grails-app/conf/application.groovy
@@ -623,7 +623,11 @@ environments {
         app.uploads.url = "/document/download/"
         grails.mail.host="localhost"
         grails.mail.port=1025
-
+        grails.cache.ehcache = {
+            diskStore {
+                path "~/data/${appName}/ehcache"
+            }
+        }
 
     }
     test {
diff --git a/grails-app/domain/au/org/ala/ecodata/RelatedScore.groovy b/grails-app/domain/au/org/ala/ecodata/RelatedScore.groovy
new file mode 100644
index 000000000..3f9659ef2
--- /dev/null
+++ b/grails-app/domain/au/org/ala/ecodata/RelatedScore.groovy
@@ -0,0 +1,18 @@
+package au.org.ala.ecodata
+
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties
+import groovy.transform.EqualsAndHashCode
+import groovy.transform.ToString
+
+
+@EqualsAndHashCode
+@ToString
+@JsonIgnoreProperties(['metaClass', 'errors', 'expandoMetaClass'])
+class RelatedScore {
+
+    String scoreId
+
+    /** A description of the association - e.g. Service Provider, Grantee, Sponsor */
+    String description
+
+}
diff --git a/grails-app/domain/au/org/ala/ecodata/Score.groovy b/grails-app/domain/au/org/ala/ecodata/Score.groovy
index e7cddc34a..843e99a1f 100644
--- a/grails-app/domain/au/org/ala/ecodata/Score.groovy
+++ b/grails-app/domain/au/org/ala/ecodata/Score.groovy
@@ -37,6 +37,8 @@ class Score {
     /** Can be used to categorize scores */
     List<String> tags
 
+    List<RelatedScore> relatedScores
+
 
     /** Embedded document describing how the score should be calculated */
     Map configuration
@@ -59,6 +61,8 @@ class Score {
         version false
     }
 
+    static embedded = ['relatedScores']
+
     def beforeValidate() {
         if (scoreId == null) {
             scoreId = Identifiers.getNew(true, "")