diff --git a/main.js b/main.js
index 9890a11..40df5c8 100644
--- a/main.js
+++ b/main.js
@@ -24,15 +24,18 @@ System.register(['./node_modules/synyi-annotation-tool/src/Annotator'], function
             var ann = new Annotator_1.Annotator(document.querySelector('#con'));
             var annotations = JSON.parse(results[1]);
             var relations = [];
+            var counter = 0;
             var labels = annotations['concepts'].map(function (concept) {
                 concept['relations'] = concept['relations'] || [];
                 concept['relations'].forEach(function (relation) {
                     if (relation['attribute_id'] != undefined) {
                         relations.push({
+                            id: counter,
                             dst: concept['meta']['id'],
                             src: relation['attribute_id'],
                             text: relation['relation_type']
                         });
+                        counter += 1;
                     }
                 });
                 return {
diff --git a/main.js.map b/main.js.map
index 44db45b..b470259 100644
--- a/main.js.map
+++ b/main.js.map
@@ -1 +1 @@
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\ No newline at end of file
+{"version":3,"file":"main.js","sourceRoot":"","sources":["main.ts"],"names":[],"mappings":"AAAA;;GAEG;;;;;QAYC,UAAU;IATd,2BAA2B,IAAU;QACjC,IAAI,EAAE,GAAG,IAAI,UAAU,EAAE,CAAC;QAC1B,MAAM,CAAC,IAAI,OAAO,CAAC,UAAA,OAAO;YACtB,EAAE,CAAC,MAAM,GAAG;gBACR,OAAO,CAAC,EAAE,CAAC,MAAM,CAAC,CAAA;YACtB,CAAC,CAAC;YACF,EAAE,CAAC,UAAU,CAAC,IAAI,EAAE,OAAO,CAAC,CAAA;QAChC,CAAC,CAAC,CAAA;IACN,CAAC;IAeD;QACI,QAAQ,CAAC,aAAa,CAAC,MAAM,CAAC,CAAC,SAAS,GAAG,EAAE,CAAC;QAC9C,IAAI,YAAY,GAAqB,QAAQ,CAAC,aAAa,CAAC,eAAe,CAAqB,CAAC;QACjG,IAAI,eAAe,GAAqB,QAAQ,CAAC,aAAa,CAAC,kBAAkB,CAAqB,CAAC;QACvG,OAAO,CAAC,GAAG,CAAC,CAAC,iBAAiB,CAAC,YAAY,CAAC,KAAK,CAAC,CAAC,CAAC,CAAC,EAAE,iBAAiB,CAAC,eAAe,CAAC,KAAK,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC;aAC/F,IAAI,CAAC,UAAA,OAAO;YACT,IAAI,GAAG,GAAG,IAAI,qBAAS,CAAC,QAAQ,CAAC,aAAa,CAAC,MAAM,CAAC,CAAC,CAAC;YACxD,IAAI,WAAW,GAAG,IAAI,CAAC,KAAK,CAAC,OAAO,CAAC,CAAC,CAAC,CAAC,CAAC;YACzC,IAAI,SAAS,GAAG,EAAE,CAAC;YACnB,IAAI,OAAO,GAAG,CAAC,CAAC;YAChB,IAAI,MAAM,GAAG,WAAW,CAAC,UAAU,CAAC,CAAC,GAAG,CAAC,UAAA,OAAO;gBAC5C,OAAO,CAAC,WAAW,CAAC,GAAG,OAAO,CAAC,WAAW,CAAC,IAAI,EAAE,CAAC;gBAClD,OAAO,CAAC,WAAW,CAAC,CAAC,OAAO,CAAC,UAAA,QAAQ;oBACjC,EAAE,CAAC,CAAC,QAAQ,CAAC,cAAc,CAAC,IAAI,SAAS,CAAC,CAAC,CAAC;wBACxC,SAAS,CAAC,IAAI,CAAC;4BACX,EAAE,EAAE,OAAO;4BACX,GAAG,EAAE,OAAO,CAAC,MAAM,CAAC,CAAC,IAAI,CAAC;4BAC1B,GAAG,EAAE,QAAQ,CAAC,cAAc,CAAC;4BAC7B,IAAI,EAAE,QAAQ,CAAC,eAAe,CAAC;yBAClC,CAAC,CAAC;wBACH,OAAO,IAAI,CAAC,CAAC;oBACjB,CAAC;gBACL,CAAC,CAAC,CAAC;gBACH,MAAM,CAAC;oBACH,UAAU,EAAE,sBAAU,CAAC,OAAO,CAAC,MAAM,CAAC,CAAC,UAAU,CAAC,CAAC;oBACnD,KAAK,EAAE,CAAC,OAAO,CAAC,MAAM,CAAC,CAAC,aAAa,CAAC,EAAE,OAAO,CAAC,MAAM,CAAC,CAAC,WAAW,CAAC,GAAG,CAAC,CAAC;oBACzE,IAAI,EAAE,OAAO,CAAC,MAAM,CAAC,CAAC,IAAI,CAAC;iBAC9B,CAAA;YACL,CAAC,CAAC,CAAC,MAAM,CAAC,UAAA,CAAC,IAAE,OAAA,CAAC,CAAC,CAAC,CAAC,UAAU,CAAC,IAAI,SAAS,CAAC,EAA7B,CAA6B,CAAC,CAAC;YAC5C,GAAG,CAAC,MAAM,CAAC,OAAO,CAAC,CAAC,CAAC,EAAC,UAAU,EAAE,MAAM,EAAE,SAAS,CAAC,CAAA;QACxD,CAAC,CAAC,CAAA;IACV,CAAC;;;;;;;YA7CG,UAAU,GAAC;gBACX,EAAC,EAAE,EAAC,CAAC,EAAE,IAAI,EAAE,oBAAoB,EAAG,MAAM,EAAE,mBAAmB,EAAE,SAAS,EAAE,yBAAyB,EAAE,IAAI,EAAE,OAAO,GAAE;gBACtH,EAAC,EAAE,EAAC,CAAC,EAAE,IAAI,EAAE,oBAAoB,EAAG,MAAM,EAAE,mBAAmB,EAAE,SAAS,EAAE,yBAAyB,EAAE,IAAI,EAAE,IAAI,GAAE;gBACnH,EAAC,EAAE,EAAC,CAAC,EAAE,IAAI,EAAE,oBAAoB,EAAG,MAAM,EAAE,oBAAoB,EAAC,SAAS,EAAE,yBAAyB,EAAE,IAAI,EAAE,OAAO,GAAE;gBACtH,EAAC,EAAE,EAAC,CAAC,EAAE,IAAI,EAAE,oBAAoB,EAAG,MAAM,EAAE,oBAAoB,EAAC,SAAS,EAAE,yBAAyB,EAAE,IAAI,EAAE,IAAI,GAAE;gBACnH,EAAC,EAAE,EAAC,CAAC,EAAE,IAAI,EAAE,oBAAoB,EAAG,MAAM,EAAE,mBAAmB,EAAE,SAAS,EAAE,yBAAyB,EAAE,IAAI,EAAE,IAAI,GAAE;gBACnH,EAAC,EAAE,EAAC,CAAC,EAAE,IAAI,EAAE,oBAAoB,EAAG,MAAM,EAAE,kBAAkB,EAAG,SAAS,EAAE,yBAAyB,EAAE,IAAI,EAAE,IAAI,GAAE;gBACnH,EAAC,EAAE,EAAC,CAAC,EAAE,IAAI,EAAE,oBAAoB,EAAG,MAAM,EAAE,mBAAmB,EAAE,SAAS,EAAE,yBAAyB,EAAE,IAAI,EAAE,OAAO,GAAE;gBACtH,EAAC,EAAE,EAAC,CAAC,EAAE,IAAI,EAAE,oBAAoB,EAAG,MAAM,EAAE,mBAAmB,EAAE,SAAS,EAAE,yBAAyB,EAAE,IAAI,EAAE,IAAI,GAAE;gBACnH,EAAC,EAAE,EAAC,CAAC,EAAE,IAAI,EAAE,oBAAoB,EAAG,MAAM,EAAE,oBAAoB,EAAE,SAAS,EAAE,yBAAyB,EAAE,IAAI,EAAE,GAAG,GAAE;gBACnH,EAAC,EAAE,EAAC,EAAE,EAAE,IAAI,EAAE,oBAAoB,EAAE,MAAM,EAAE,oBAAoB,EAAE,SAAS,EAAE,yBAAyB,EAAE,IAAI,EAAE,MAAM,GAAE;gBACtH,EAAC,EAAE,EAAC,EAAE,EAAE,IAAI,EAAE,oBAAoB,EAAE,MAAM,EAAE,oBAAoB,EAAE,SAAS,EAAE,yBAAyB,EAAE,IAAI,EAAE,OAAO,EAAC;gBACtH,EAAC,EAAE,EAAC,EAAE,EAAE,IAAI,EAAE,oBAAoB,EAAE,MAAM,EAAE,mBAAmB,EAAE,SAAS,EAAE,yBAAyB,EAAE,IAAI,EAAE,IAAI,GAAE;aACtH,CAAC;YAiCF,QAAQ,CAAC,aAAa,CAAC,MAAM,CAAC,CAAC,gBAAgB,CAAC,OAAO,EAAC,cAAI,OAAA,GAAG,EAAE,EAAL,CAAK,CAAC,CAAC"}
\ No newline at end of file
diff --git a/main.ts b/main.ts
index 0754d09..f5e7b4c 100644
--- a/main.ts
+++ b/main.ts
@@ -35,15 +35,18 @@ function run() {
             let ann = new Annotator(document.querySelector('#con'));
             let annotations = JSON.parse(results[1]);
             let relations = [];
+            let counter = 0;
             let labels = annotations['concepts'].map(concept=> {
                 concept['relations'] = concept['relations'] || [];
                 concept['relations'].forEach(relation=> {
                     if (relation['attribute_id'] != undefined) {
                         relations.push({
+                            id: counter,
                             dst: concept['meta']['id'],
                             src: relation['attribute_id'],
                             text: relation['relation_type']
-                        })
+                        });
+                        counter += 1;
                     }
                 });
                 return {
@@ -55,4 +58,4 @@ function run() {
             ann.import(results[0],categories, labels, relations)
         })
 }
-document.querySelector('#run').addEventListener('click',()=>run());
\ No newline at end of file
+document.querySelector('#run').addEventListener('click',()=>run());