diff --git a/claims/claim-utils/claimContextSearchForm.component.ts b/claims/claim-utils/claimContextSearchForm.component.ts
index 1db7e287..52567d47 100644
--- a/claims/claim-utils/claimContextSearchForm.component.ts
+++ b/claims/claim-utils/claimContextSearchForm.component.ts
@@ -71,23 +71,23 @@ import{EnvProperties} from '../../utils/properties/env-properties';
                           <ul *ngIf="conceptsClass[category.id] && conceptsClassDisplay[category.id]" class="uk-list  uk-animation-fade"  id="ul_{{category.id}}"  >
                             <li *ngFor="let concept1 of conceptsClass[category.id]" >
                               <span   (click)="displaySubcategory(concept1.id)" >
-                                <span *ngIf="!conceptsClassDisplay[concept1.id] && concept1.concept"   class="uk-icon"><svg width="20" height="20" viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg" ratio="1"> <polygon points="8 5 13 10 8 15"></polygon></svg></span>
+                                <span *ngIf="!conceptsClassDisplay[concept1.id] && concept1.concepts"   class="uk-icon"><svg width="20" height="20" viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg" ratio="1"> <polygon points="8 5 13 10 8 15"></polygon></svg></span>
 
-                                <span *ngIf="conceptsClassDisplay[concept1.id]  && concept1.concept"   class="uk-icon">
+                                <span *ngIf="conceptsClassDisplay[concept1.id]  && concept1.concepts"   class="uk-icon">
   <svg width="20" height="20" viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg" ratio="1"> <polygon points="5 7 15 7 10 12"></polygon></svg></span>
                                 {{concept1.label}}
                                </span>
                               <a  *ngIf="!isSelected(concept1.id)" (click)="addNewContext(selectedCommunityLabel,category.label,concept1)" class="uk-button-default uk-align-right"  class="uk-icon-button"><svg width="20" height="20" viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg" icon="plus" ratio="1"><rect x="9" y="1" width="1" height="17"></rect><rect x="1" y="9" width="17" height="1"></rect></svg></a>
-                                <ul  *ngIf="concept1.concept &&  conceptsClassDisplay[concept1.id] "  class="uk-animation-fade" >
-                                  <li *ngFor="let concept2 of concept1.concept"><span   (click)="displaySubcategory(concept2.id)" >
-                                  <span *ngIf="!conceptsClassDisplay[concept2.id]  && concept2.concept"   class="uk-icon"><svg width="20" height="20" viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg" ratio="1"> <polygon points="8 5 13 10 8 15"></polygon></svg></span>
+                                <ul  *ngIf="concept1.concepts &&  conceptsClassDisplay[concept1.id] "  class="uk-animation-fade" >
+                                  <li *ngFor="let concept2 of concept1.concepts"><span   (click)="displaySubcategory(concept2.id)" >
+                                  <span *ngIf="!conceptsClassDisplay[concept2.id]  && concept2.concepts"   class="uk-icon"><svg width="20" height="20" viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg" ratio="1"> <polygon points="8 5 13 10 8 15"></polygon></svg></span>
 
-                                  <span *ngIf="conceptsClassDisplay[concept2.id]  && concept2.concept"   class="uk-icon">
+                                  <span *ngIf="conceptsClassDisplay[concept2.id]  && concept2.concepts"   class="uk-icon">
   <svg width="20" height="20" viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg" ratio="1"> <polygon points="5 7 15 7 10 12"></polygon></svg></span>
                                   {{concept2.label}}</span>
                                     <a  *ngIf="!isSelected(concept2.id)" (click)="addNewContext(selectedCommunityLabel,category.label,concept2)" class="uk-button-default uk-align-right"  class="uk-icon-button"><svg width="20" height="20" viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg" icon="plus" ratio="1"><rect x="9" y="1" width="1" height="17"></rect><rect x="1" y="9" width="17" height="1"></rect></svg></a>
-                                    <ul  *ngIf="concept2.concept &&  conceptsClassDisplay[concept2.id] " class="uk-animation-fade" >
-                                      <li *ngFor="let concept3 of concept2.concept">{{concept3.label}}
+                                    <ul  *ngIf="concept2.concepts &&  conceptsClassDisplay[concept2.id] " class="uk-animation-fade" >
+                                      <li *ngFor="let concept3 of concept2.concepts">{{concept3.label}}
                                         <a  *ngIf="!isSelected(concept3.id)" (click)="addNewContext(selectedCommunityLabel,category.label,concept3)" class="uk-button-default uk-align-right"  class="uk-icon-button"><svg width="20" height="20" viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg" icon="plus" ratio="1"><rect x="9" y="1" width="1" height="17"></rect><rect x="1" y="9" width="17" height="1"></rect></svg></a>
                                       </li>
                                     </ul>
@@ -196,9 +196,9 @@ getCommunities ()  {
   }else{
     this.loading = true;
     var token=Session.getUserJwt();
-    this._contextService.getCommunities(this.properties.claimsAPIURL).subscribe(
+    this._contextService.getCommunities(this.properties.contextsAPI).subscribe(
       data => {
-        this.communities = data.communities;
+        this.communities = data;
         this.loading = false;
        },
       err => {
@@ -218,10 +218,10 @@ getCommunities ()  {
 
      }else{
        var token=Session.getUserJwt();
-       this._contextService.getCategories(this.selectedCommunityId,this.properties.claimsAPIURL).subscribe(
+       this._contextService.getCategories(this.selectedCommunityId,this.properties.contextsAPI).subscribe(
          data => {
 
-           this.categories = (Array.isArray(data.category))? data.category:[data.category];
+           this.categories =data;// (Array.isArray(data.category))? data.category:[data.category];
            this.concepts = [];
            this.addCommunityInConcepts();
            this.filteredList = [];
@@ -247,10 +247,15 @@ getCommunities ()  {
       }else{
         this.concepts = [];
         var token=Session.getUserJwt();
-        this._contextService.getConcepts(this.selectedCategoryId, "",true, this.properties.claimsAPIURL).subscribe(
+        this._contextService.getConcepts(this.selectedCategoryId, "",true, this.properties.contextsAPI).subscribe(
           data => {
 
             this.concepts =data;
+            if(this.selectedCategoryId == "egi::classification"){
+              for(var i =0 ; i<data.length; i++){
+                this.getSubConcepts(data[i].id);
+              }
+            }
             this.addCommunityInConcepts();
             if (this.query !== ""){
               var event = {value: ""};
@@ -270,6 +275,37 @@ getCommunities ()  {
       this.loading = false;
     }
    }
+   getSubConcepts (conceptId)  {
+     this.loading = true;
+     if(this.selectedCategoryId != '0'){
+       if(!Session.isValidAndRemove()){
+         this.saveStateAndRedirectLogin();
+       }else{
+         this._contextService.getSubConcepts(conceptId, "",true, this.properties.contextsAPI).subscribe(
+           data => {
+             console.log(data);
+               for(var i =0 ; i<data.length; i++){
+                 this.concepts.push(data[i]);
+               }
+
+             if (this.query !== ""){
+               var event = {value: ""};
+               event.value = this.query;
+               //  this.filter(event);
+              }
+              this.loading = false;
+            },
+           err => {
+             console.log(err);
+             this.loading = false;
+           }
+         );
+       }
+     }else{
+       this.concepts=[];
+       this.loading = false;
+     }
+    }
    displaySubcategory(id)  {
      if(this.conceptsClassDisplay[id] != null){
        this.conceptsClassDisplay[id] = !this.conceptsClassDisplay[id];
@@ -289,19 +325,26 @@ getCommunities ()  {
            this.conceptsClassDisplay[categoryId] = true;
          }
          this.conceptsClass[categoryId] = [];
-         var token=Session.getUserJwt();
          this.conceptsCategoryLoading[categoryId] = true;
-         this._contextService.getConcepts(categoryId, "",false, this.properties.claimsAPIURL).subscribe(
+         this._contextService.getConcepts(categoryId, "",false, this.properties.contextsAPI).subscribe(
            data => {
-            var concepts = (Array.isArray(data))? data:[data];
-             for(var i=0;i<concepts.length; i++){
-               console.log("Data"+concepts[i]);
-               if(concepts[i].id.split("::").length==3){
-                 this.conceptsClass[categoryId].push(concepts[i]);
+            var concepts = data;//(Array.isArray(data))? data:[data];
+            if(categoryId == "egi::classification"){
+              this.conceptsClass[categoryId] = [];
+              for(var i =0 ; i<data.length; i++){
+                this.browseSubConcepts(categoryId, data[i].id);
+              }
+            }else{
+               for(var i=0;i<concepts.length; i++){
+                 console.log("Data"+concepts[i]);
+                 if(concepts[i].id.split("::").length==3){
+                   this.conceptsClass[categoryId].push(concepts[i]);
+                 }
                }
+
+               console.log(this.conceptsClass[categoryId]);
+               this.conceptsCategoryLoading[categoryId] = false;
              }
-             console.log(this.conceptsClass[categoryId]);
-             this.conceptsCategoryLoading[categoryId] = false;
             },
            err => {
              console.log(err);
@@ -311,6 +354,28 @@ getCommunities ()  {
        }
 
     }
+    browseSubConcepts (categoryId, conceptId)  {
+
+          this.conceptsCategoryLoading[categoryId] = true;
+          this._contextService.getSubConcepts(conceptId, "",false, this.properties.contextsAPI).subscribe(
+            data => {
+             var concepts = data[0];//(Array.isArray(data))? data:[data];
+                this.conceptsClass[categoryId].push(concepts)
+                console.log("Data"+concepts);
+
+
+
+              console.log(this.conceptsClass[categoryId]);
+              this.conceptsCategoryLoading[categoryId] = false;
+             },
+            err => {
+              console.log(err);
+              this.conceptsCategoryLoading[categoryId] = false;
+            }
+          );
+
+
+     }
   communityChanged(){
     console.log(this.selectedCommunityId +"  ");
     this.warningMessage = "";
diff --git a/claims/claim-utils/service/contexts.service.ts b/claims/claim-utils/service/contexts.service.ts
index cf9a2956..d6d4dba7 100644
--- a/claims/claim-utils/service/contexts.service.ts
+++ b/claims/claim-utils/service/contexts.service.ts
@@ -14,37 +14,58 @@ export class ContextsService {
   }
 
   public getCommunities( apiUrl:string):any {
-  let  url   = apiUrl + 'communities';
+  let  url   = apiUrl + 's/';
+
   let key = url;
-
-
     console.info('ContextsService: request communities  '+url);
-      return this.http.get(url, this.getAuthOptions())
-                    .map(request => <any> request.json().data)
+      return this.http.get(url)
+                    .map(res => <any> res.json()).map(res => this.parseCommunities(res) )
                     // .do(request => console.info("Get claims: offset = "))
                     .catch(this.handleError);
   }
+  parseCommunities(data){
+    var communities = [];
+
+    for(var i = 0; i< data.length; i++){
+      if(data[i].type && (data[i].type == "ri" || data[i].type == "community")){
+        communities.push(data[i]);
+      }
+    }
+    return communities;
+  }
   public getCategories(communityId :string, apiUrl:string):any {
     console.info('ContextsService:  request categories for community  with id '+communityId);
-    let url= apiUrl  + 'communities/' + communityId + '/categories';
+    let url= apiUrl  + '/' + communityId ;
     let key = url;
 
 
-      return this.http.get(url, this.getAuthOptions())
-                    .map(request => <any> request.json().data)
+      return this.http.get(url)
+                    .map(request => <any> request.json())
                     // .do(request => console.info("Get claims: offset = " ))
                     .catch(this.handleError);;
   }
   public getConcepts(categoryId :string, keyword: string, parsing:boolean, apiUrl:string):any {
     console.info('ContextsService:  request concept for category  with id '+categoryId + ' and keyword '+ keyword);
-    let url= apiUrl  + 'categories/' + categoryId+ "/concepts";
+    let url= apiUrl  + '/category/' + categoryId;
     let key = url+"_parsing="+parsing;
 
 
-      return this.http.get(url, this.getAuthOptions())
-                    .map(request => <any> request.json().data)
+      return this.http.get(url )
+                    .map(request => <any> request.json())
                     .catch(this.handleError)
-                    .map(res => (parsing)?this.parse(res.concept):res.concept);
+                    .map(res => (parsing)?this.parse(res):res);
+                    // .do(res => console.info("Result is "+ res.length ));
+  }
+  public getSubConcepts(subConceptID :string, keyword: string, parsing:boolean, apiUrl:string):any {
+    console.info('ContextsService:  request sub concept for concept with id '+subConceptID + ' and keyword '+ keyword);
+    let url= apiUrl  + '/category/concept/' + subConceptID;
+    let key = url+"_parsing="+parsing;
+
+
+      return this.http.get(url )
+                    .map(request => <any> request.json())
+                    .catch(this.handleError)
+                    .map(res => (parsing)?this.parseSubConcepts(res):res);
                     // .do(res => console.info("Result is "+ res.length ));
   }
   parse (data: any):AutoCompleteValue[] {
@@ -64,6 +85,29 @@ export class ContextsService {
 
       return array;
 
+  }
+  parseSubConcepts (data: any):AutoCompleteValue[] {
+      var array:AutoCompleteValue[] =[]
+      if(data.length >0 && data[0].concepts){
+        var concepts = data[0].concepts;
+        for(var i = 0; i < concepts.length; i++){
+          var value:AutoCompleteValue =  new AutoCompleteValue();
+          value.id = concepts[i].id;
+          value.label = concepts[i].label;
+          if(concepts[i].concepts){
+            var subconcepts = concepts[i].concepts;
+            for(var x = 0; x < subconcepts.length; x++){
+              var value:AutoCompleteValue =  new AutoCompleteValue();
+              value.id = subconcepts[x].id;
+              value.label = subconcepts[x].label;
+              array.push(value);
+            }
+          }
+          array.push(value);
+        }
+    }
+      return array;
+
   }
 
   private handleError (error: Response) {
diff --git a/utils/properties/env-properties.ts b/utils/properties/env-properties.ts
index 4dac2e45..a9bee09f 100644
--- a/utils/properties/env-properties.ts
+++ b/utils/properties/env-properties.ts
@@ -81,7 +81,7 @@ export class EnvProperties {
 
 
   adminToolsCommunity;
-
+  contextsAPI;
   communityAPI;
   communitiesAPI;
   datasourcesAPI;