diff --git a/interactive-mining-angular-frontend/package.json b/interactive-mining-angular-frontend/package.json
index 7a11e88..af55da4 100755
--- a/interactive-mining-angular-frontend/package.json
+++ b/interactive-mining-angular-frontend/package.json
@@ -4,7 +4,7 @@
   "license": "MIT",
   "scripts": {
     "ng": "ng",
-    "start": "ng serve",
+    "start": "ng serve --disable-host-check --host 0.0.0.0",
     "build": "ng build",
     "test": "ng test",
     "lint": "ng lint",
diff --git a/interactive-mining-angular-frontend/src/app/app.module.ts b/interactive-mining-angular-frontend/src/app/app.module.ts
index 394d46f..3c64c03 100755
--- a/interactive-mining-angular-frontend/src/app/app.module.ts
+++ b/interactive-mining-angular-frontend/src/app/app.module.ts
@@ -2,7 +2,6 @@ import {NgModule} from '@angular/core';
 
 import {AppComponent} from './app.component';
 import {AppRoutingModule} from './app-routing.module';
-import {Router} from '@angular/router';
 import {BrowserModule} from '@angular/platform-browser';
 import {InteractiveMiningModule} from './interactivemining/interactive-mining.module';
 
@@ -18,8 +17,4 @@ import {InteractiveMiningModule} from './interactivemining/interactive-mining.mo
   bootstrap: [AppComponent]
 })
 export class AppModule {
-  // Diagnostic only: inspect router configuration
-  constructor(router: Router) {
-    console.log('Routes: ', JSON.stringify(router.config, undefined, 2));
-  }
 }
diff --git a/interactive-mining-angular-frontend/src/app/configuration/resultspreview/resultspreview.component.html b/interactive-mining-angular-frontend/src/app/configuration/resultspreview/resultspreview.component.html
index b922a99..b8eae22 100755
--- a/interactive-mining-angular-frontend/src/app/configuration/resultspreview/resultspreview.component.html
+++ b/interactive-mining-angular-frontend/src/app/configuration/resultspreview/resultspreview.component.html
@@ -10,10 +10,6 @@
       <div class="uk-margin">
         <p>Select or upload a dataset to test the mining algorithm. Each dataset contains documents from various sources according to its title.</p>
         <div class="uk-grid-collapse uk-child-width-expand" uk-grid>
-          <!--<form class="uk-search uk-search-default uk-width-1-5@m">-->
-            <!--<span class="uk-search-icon-flip" uk-search-icon></span>-->
-            <!--<input class="uk-search-input" type="search" placeholder="Search..." style="background-color:  white;">-->
-          <!--</form>-->
           <button *ngIf="documentsLoaded>0" class="uk-button cm-button-primary uk-width-auto cm-doc-selected">{{docNameLoaded}}<span uk-icon="icon: check; ratio: 1"></span></button>
           <div class="uk-width-expand" uk-slider>
             <div class="uk-position-relative">
diff --git a/interactive-mining-angular-frontend/src/app/configuration/resultspreview/resultspreview.component.ts b/interactive-mining-angular-frontend/src/app/configuration/resultspreview/resultspreview.component.ts
index d22b71a..92fafc7 100755
--- a/interactive-mining-angular-frontend/src/app/configuration/resultspreview/resultspreview.component.ts
+++ b/interactive-mining-angular-frontend/src/app/configuration/resultspreview/resultspreview.component.ts
@@ -85,6 +85,7 @@ export class ResultspreviewComponent implements OnInit {
       wordssplitnum: Number.parseInt(localStorage.getItem('wordssplitnum')),
       punctuation: Number.parseInt(localStorage.getItem('punctuation')),
       stopwords: Number.parseInt(localStorage.getItem('stopwords')),
+      allLowercase: Number.parseInt(localStorage.getItem('allLowercase')),
       lowercase: Number.parseInt(localStorage.getItem('lowercase')),
       stemming: Number.parseInt(localStorage.getItem('stemming')),
       documentarea: localStorage.getItem('documentarea'),
diff --git a/interactive-mining-angular-frontend/src/app/configuration/settings/settings.component.html b/interactive-mining-angular-frontend/src/app/configuration/settings/settings.component.html
index 366a07f..493029f 100755
--- a/interactive-mining-angular-frontend/src/app/configuration/settings/settings.component.html
+++ b/interactive-mining-angular-frontend/src/app/configuration/settings/settings.component.html
@@ -127,7 +127,10 @@
                 <label class="uk-form-label" for="punctuation-filter"><input id="punctuation-filter" class="uk-checkbox" type="checkbox" [checked]="settings.punctuation===1" (change)="punctuationCheckBoxChange($event.target.checked)"> Punctuation removal</label>
               </div>
               <div class="uk-margin">
-                <label class="uk-form-label" for="lowercase-filter"><input id="lowercase-filter" class="uk-checkbox" type="checkbox" [checked]="settings.lowercase===1" (change)="lowercaseCheckBoxChange($event.target.checked)"> Convert to lower case</label>
+                <label class="uk-form-label" for="lowercase-filter"><input id="all-lowercase-filter" class="uk-checkbox" type="checkbox" [checked]="settings.lowercase===1" (change)="allLowercaseCheckBoxChange($event.target.checked)"> Convert everything to lower case</label>
+              </div>
+              <div class="uk-margin">
+                <label class="uk-form-label" for="lowercase-filter"><input id="lowercase-filter" class="uk-checkbox" type="checkbox" [checked]="settings.lowercase===1" (change)="lowercaseCheckBoxChange($event.target.checked)"> Convert to lower-case only during evaluation of phrases</label>
               </div>
               <div class="uk-margin">
                 <label class="uk-form-label" for="stemming-filter"><input id="stemming-filter" class="uk-checkbox" type="checkbox" [checked]="settings.stemming===1" (change)="stemmingCheckBoxChange($event.target.checked)"> Word stemming <span class="cm-tooltip" uk-icon="icon: info" title="Stemming is a process of text normalisation, in which the <b>variant forms of a word are reduced to a common form</b>, for <b>example</b>:<br>connection, connections, connective, connected, connecting<br><b>are reduced to connect</b>" uk-tooltip="pos: right"></span></label>
diff --git a/interactive-mining-angular-frontend/src/app/configuration/settings/settings.component.ts b/interactive-mining-angular-frontend/src/app/configuration/settings/settings.component.ts
index e65d4be..b9c931a 100755
--- a/interactive-mining-angular-frontend/src/app/configuration/settings/settings.component.ts
+++ b/interactive-mining-angular-frontend/src/app/configuration/settings/settings.component.ts
@@ -66,6 +66,7 @@ export class SettingsComponent implements OnInit {
       wordssplitnum: Number.parseInt(localStorage.getItem('wordssplitnum')),
       punctuation: Number.parseInt(localStorage.getItem('punctuation')),
       stopwords: Number.parseInt(localStorage.getItem('stopwords')),
+      allLowercase: Number.parseInt(localStorage.getItem('allLowercase')),
       lowercase: Number.parseInt(localStorage.getItem('lowercase')),
       stemming: Number.parseInt(localStorage.getItem('stemming')),
       documentarea: localStorage.getItem('documentarea'),
@@ -216,6 +217,11 @@ export class SettingsComponent implements OnInit {
     this.settings.punctuation = value ? 1 : 0;
   }
 
+  allLowercaseCheckBoxChange(value: boolean): void {
+    localStorage.setItem('allLowercase', value ? '1' : '0');
+    this.settings.allLowercase = value ? 1 : 0;
+  }
+
   lowercaseCheckBoxChange(value: boolean): void {
     localStorage.setItem('lowercase', value ? '1' : '0');
     this.settings.lowercase = value ? 1 : 0;
@@ -243,6 +249,7 @@ export class SettingsComponent implements OnInit {
       wordssplitnum: Number.parseInt(localStorage.getItem('wordssplitnum')),
       punctuation: Number.parseInt(localStorage.getItem('punctuation')),
       stopwords: Number.parseInt(localStorage.getItem('stopwords')),
+      allLowercase: Number.parseInt(localStorage.getItem('allLowercase')),
       lowercase: Number.parseInt(localStorage.getItem('lowercase')),
       stemming: Number.parseInt(localStorage.getItem('stemming')),
       documentarea: localStorage.getItem('documentarea')
diff --git a/interactive-mining-angular-frontend/src/app/configuration/settings/settings.ts b/interactive-mining-angular-frontend/src/app/configuration/settings/settings.ts
index babf185..04fc8d7 100755
--- a/interactive-mining-angular-frontend/src/app/configuration/settings/settings.ts
+++ b/interactive-mining-angular-frontend/src/app/configuration/settings/settings.ts
@@ -9,6 +9,7 @@ export interface Settings {
   wordssplitnum: number;
   punctuation: number;
   stopwords: number;
+  allLowercase: number;
   lowercase: number;
   stemming: number;
   documentarea: string;
diff --git a/interactive-mining-angular-frontend/src/app/stepsnvabar/stepsnvabar.component.ts b/interactive-mining-angular-frontend/src/app/stepsnvabar/stepsnvabar.component.ts
index 2aaab29..453e72a 100755
--- a/interactive-mining-angular-frontend/src/app/stepsnvabar/stepsnvabar.component.ts
+++ b/interactive-mining-angular-frontend/src/app/stepsnvabar/stepsnvabar.component.ts
@@ -13,7 +13,6 @@ export class StepsnvabarComponent implements OnInit {
 
   constructor(private route: ActivatedRoute, private router: Router) {
     router.events.subscribe((val) => {
-      // see also
       if (val instanceof NavigationEnd) {
         this.changeStep(val.urlAfterRedirects);
       }