diff --git a/mediarepo-ui/src-tauri/Cargo.lock b/mediarepo-ui/src-tauri/Cargo.lock
index 397c4fe..95a4b76 100644
--- a/mediarepo-ui/src-tauri/Cargo.lock
+++ b/mediarepo-ui/src-tauri/Cargo.lock
@@ -1580,8 +1580,8 @@ checksum = "a3e378b66a060d48947b590737b30a1be76706c8dd7b8ba0f2fe3989c68a853f"
 
 [[package]]
 name = "mediarepo-api"
-version = "0.10.0"
-source = "git+https://github.com/Trivernis/mediarepo-api.git?rev=74380887a2349b1aa4fb72aa6bc0916961b54db9#74380887a2349b1aa4fb72aa6bc0916961b54db9"
+version = "0.11.0"
+source = "git+https://github.com/Trivernis/mediarepo-api.git?rev=6fbc72699a565b1ca3f76f58c3dafbe9790c758e#6fbc72699a565b1ca3f76f58c3dafbe9790c758e"
 dependencies = [
  "async-trait",
  "chrono",
diff --git a/mediarepo-ui/src-tauri/Cargo.toml b/mediarepo-ui/src-tauri/Cargo.toml
index dadd6f8..2147b3e 100644
--- a/mediarepo-ui/src-tauri/Cargo.toml
+++ b/mediarepo-ui/src-tauri/Cargo.toml
@@ -30,7 +30,7 @@ features = ["env-filter"]
 
 [dependencies.mediarepo-api]
 git = "https://github.com/Trivernis/mediarepo-api.git"
-rev = "74380887a2349b1aa4fb72aa6bc0916961b54db9"
+rev = "6fbc72699a565b1ca3f76f58c3dafbe9790c758e"
 features = ["tauri-plugin"]
 
 [features]
diff --git a/mediarepo-ui/src/app/app.module.ts b/mediarepo-ui/src/app/app.module.ts
index d8956b4..ffaf063 100644
--- a/mediarepo-ui/src/app/app.module.ts
+++ b/mediarepo-ui/src/app/app.module.ts
@@ -30,7 +30,7 @@ import {MatTabsModule} from "@angular/material/tabs";
 import {FilesTabComponent} from './pages/home/files-tab/files-tab.component';
 import {FlexModule, GridModule} from "@angular/flex-layout";
 import {MatRippleModule} from "@angular/material/core";
-import {FilterDialogComponent} from './components/file-search/filter-dialog/filter-dialog.component';
+import {SortDialogComponent} from './components/file-search/sort-dialog/sort-dialog.component';
 import {MatDialogModule} from "@angular/material/dialog";
 import {MatSelectModule} from "@angular/material/select";
 import {FileGalleryComponent} from './components/file-gallery/file-gallery.component';
@@ -65,7 +65,7 @@ import {MatCheckboxModule} from "@angular/material/checkbox";
     FileGridEntryComponent,
     FileSearchComponent,
     FilesTabComponent,
-    FilterDialogComponent,
+    SortDialogComponent,
     FileGalleryComponent,
     FileGalleryEntryComponent,
     ContentAwareImageComponent,
diff --git a/mediarepo-ui/src/app/components/file-search/file-search.component.html b/mediarepo-ui/src/app/components/file-search/file-search.component.html
index ccaf5c3..63ce7e1 100644
--- a/mediarepo-ui/src/app/components/file-search/file-search.component.html
+++ b/mediarepo-ui/src/app/components/file-search/file-search.component.html
@@ -1,8 +1,8 @@
 <div class="tag-input-list-and-actions">
   <div #tagInputList class="tag-input-list">
     <div class="tag-input-list-inner">
-      <div (click)="removeSearchTag(tag)" *ngFor="let tag of searchTags" class="tag-input-item"
-           mat-ripple>{{tag.getNormalizedTag()}}</div>
+      <div (click)="removeFilterExpression(filter)" *ngFor="let filter of filters" class="tag-input-item"
+           mat-ripple>{{filter.getDisplayName()}}</div>
     </div>
   </div>
   <button (click)="removeAllSearchTags()" id="delete-all-tags-button" mat-icon-button>
diff --git a/mediarepo-ui/src/app/components/file-search/file-search.component.ts b/mediarepo-ui/src/app/components/file-search/file-search.component.ts
index 19da0a3..2e9c991 100644
--- a/mediarepo-ui/src/app/components/file-search/file-search.component.ts
+++ b/mediarepo-ui/src/app/components/file-search/file-search.component.ts
@@ -17,8 +17,12 @@ import {Observable} from "rxjs";
 import {TagQuery} from "../../models/TagQuery";
 import {SortKey} from "../../models/SortKey";
 import {MatDialog} from "@angular/material/dialog";
-import {FilterDialogComponent} from "./filter-dialog/filter-dialog.component";
+import {SortDialogComponent} from "./sort-dialog/sort-dialog.component";
 import {ErrorBrokerService} from "../../services/error-broker/error-broker.service";
+import {
+  FilterExpression,
+  SingleFilterExpression
+} from "../../models/FilterExpression";
 
 
 @Component({
@@ -30,7 +34,7 @@ export class FileSearchComponent implements AfterViewChecked, OnInit {
   public sortExpression: SortKey[] = [new SortKey("FileImportedTime",
     "Ascending", undefined)];
   public formControl = new FormControl();
-  public searchTags: TagQuery[] = [];
+  public filters: FilterExpression[] = [];
   public suggestionTags: Observable<string[]>;
 
   @Input() validTags: string[] = [];
@@ -58,7 +62,7 @@ export class FileSearchComponent implements AfterViewChecked, OnInit {
   public async searchForFiles() {
     this.searchStartEvent.emit();
     try {
-      await this.fileService.findFiles(this.searchTags, this.sortExpression);
+      await this.fileService.findFiles(this.filters, this.sortExpression);
     } catch (err) {
       this.errorBroker.showError(err);
     }
@@ -68,25 +72,25 @@ export class FileSearchComponent implements AfterViewChecked, OnInit {
   public addSearchTag(tag: string) {
     if (tag.startsWith("-")) {
       tag = tag.replace(/^-/g, '');
-      this.searchTags.push(new TagQuery(tag, true));
+      this.filters.push(new SingleFilterExpression(new TagQuery(tag, true)));
     } else {
-      this.searchTags.push(new TagQuery(tag, false));
+      this.filters.push(new SingleFilterExpression(new TagQuery(tag, false)));
     }
-    if (this.searchTags.filter(t => t.name === tag).length > 1) {
-      const index = this.searchTags.findIndex(t => t.name === tag);
-      this.searchTags.splice(index, 1);
+    if (this.filters.filter(t => t.partiallyEq(tag)).length > 1) {
+      const index = this.filters.findIndex(t => t.partiallyEq(tag));
+      this.filters.splice(index, 1);
     }
   }
 
   async removeAllSearchTags() {
-    this.searchTags = [];
+    this.filters = [];
     await this.searchForFiles();
   }
 
-  async removeSearchTag(tag: TagQuery) {
-    const index = this.searchTags.indexOf(tag);
+  async removeFilterExpression(expr: FilterExpression) {
+    const index = this.filters.indexOf(expr);
     if (index >= 0) {
-      this.searchTags.splice(index, 1);
+      this.filters.splice(index, 1);
     }
     await this.searchForFiles();
   }
@@ -114,7 +118,7 @@ export class FileSearchComponent implements AfterViewChecked, OnInit {
     const sortEntries = this.sortExpression.map(
       key => JSON.parse(JSON.stringify(key))).map(
       key => new SortKey(key.sortType, key.sortDirection, key.namespaceName))
-    const openedDialog = this.dialog.open(FilterDialogComponent, {
+    const openedDialog = this.dialog.open(SortDialogComponent, {
       minWidth: "40vw",
       data: {
         sortEntries,
@@ -134,8 +138,8 @@ export class FileSearchComponent implements AfterViewChecked, OnInit {
     const normalizedTag = tag.replace(/^-/, "");
 
     return this.validTags.filter(
-        t => t.includes(normalizedTag) && this.searchTags.findIndex(
-          s => s.getNormalizedTag() === t) < 0)
+        t => t.includes(normalizedTag) && this.filters.findIndex(
+          f => f.eq(t)) < 0)
       .map(t => negated ? "-" + t : t)
       .slice(0, 20);
   }
diff --git a/mediarepo-ui/src/app/components/file-search/filter-dialog/filter-dialog.component.html b/mediarepo-ui/src/app/components/file-search/sort-dialog/sort-dialog.component.html
similarity index 100%
rename from mediarepo-ui/src/app/components/file-search/filter-dialog/filter-dialog.component.html
rename to mediarepo-ui/src/app/components/file-search/sort-dialog/sort-dialog.component.html
diff --git a/mediarepo-ui/src/app/components/file-search/filter-dialog/filter-dialog.component.scss b/mediarepo-ui/src/app/components/file-search/sort-dialog/sort-dialog.component.scss
similarity index 100%
rename from mediarepo-ui/src/app/components/file-search/filter-dialog/filter-dialog.component.scss
rename to mediarepo-ui/src/app/components/file-search/sort-dialog/sort-dialog.component.scss
diff --git a/mediarepo-ui/src/app/components/file-search/filter-dialog/filter-dialog.component.spec.ts b/mediarepo-ui/src/app/components/file-search/sort-dialog/sort-dialog.component.spec.ts
similarity index 59%
rename from mediarepo-ui/src/app/components/file-search/filter-dialog/filter-dialog.component.spec.ts
rename to mediarepo-ui/src/app/components/file-search/sort-dialog/sort-dialog.component.spec.ts
index 11d7dfe..21e4467 100644
--- a/mediarepo-ui/src/app/components/file-search/filter-dialog/filter-dialog.component.spec.ts
+++ b/mediarepo-ui/src/app/components/file-search/sort-dialog/sort-dialog.component.spec.ts
@@ -1,20 +1,20 @@
 import {ComponentFixture, TestBed} from '@angular/core/testing';
 
-import {FilterDialogComponent} from './filter-dialog.component';
+import {SortDialogComponent} from './sort-dialog.component';
 
 describe('FilterDialogComponent', () => {
-  let component: FilterDialogComponent;
-  let fixture: ComponentFixture<FilterDialogComponent>;
+  let component: SortDialogComponent;
+  let fixture: ComponentFixture<SortDialogComponent>;
 
   beforeEach(async () => {
     await TestBed.configureTestingModule({
-        declarations: [FilterDialogComponent]
+        declarations: [SortDialogComponent]
       })
       .compileComponents();
   });
 
   beforeEach(() => {
-    fixture = TestBed.createComponent(FilterDialogComponent);
+    fixture = TestBed.createComponent(SortDialogComponent);
     component = fixture.componentInstance;
     fixture.detectChanges();
   });
diff --git a/mediarepo-ui/src/app/components/file-search/filter-dialog/filter-dialog.component.ts b/mediarepo-ui/src/app/components/file-search/sort-dialog/sort-dialog.component.ts
similarity index 79%
rename from mediarepo-ui/src/app/components/file-search/filter-dialog/filter-dialog.component.ts
rename to mediarepo-ui/src/app/components/file-search/sort-dialog/sort-dialog.component.ts
index 0513bb0..ebac238 100644
--- a/mediarepo-ui/src/app/components/file-search/filter-dialog/filter-dialog.component.ts
+++ b/mediarepo-ui/src/app/components/file-search/sort-dialog/sort-dialog.component.ts
@@ -4,15 +4,15 @@ import {SortKey} from "../../../models/SortKey";
 import {CdkDragDrop, moveItemInArray} from "@angular/cdk/drag-drop";
 
 @Component({
-  selector: 'app-filter-dialog',
-  templateUrl: './filter-dialog.component.html',
-  styleUrls: ['./filter-dialog.component.scss']
+  selector: 'app-sort-dialog',
+  templateUrl: './sort-dialog.component.html',
+  styleUrls: ['./sort-dialog.component.scss']
 })
-export class FilterDialogComponent {
+export class SortDialogComponent {
 
   public sortEntries: SortKey[] = []
 
-  constructor(public dialogRef: MatDialogRef<FilterDialogComponent>, @Inject(
+  constructor(public dialogRef: MatDialogRef<SortDialogComponent>, @Inject(
     MAT_DIALOG_DATA) data: any) {
     this.sortEntries = data.sortEntries;
   }
diff --git a/mediarepo-ui/src/app/models/FilterExpression.ts b/mediarepo-ui/src/app/models/FilterExpression.ts
new file mode 100644
index 0000000..33ac090
--- /dev/null
+++ b/mediarepo-ui/src/app/models/FilterExpression.ts
@@ -0,0 +1,54 @@
+import {TagQuery} from "./TagQuery";
+
+export interface FilterExpression {
+  filter_type: "OrExpression" | "Query";
+  filter: TagQuery[] | TagQuery;
+
+  eq(value: any): boolean;
+
+  partiallyEq(value: any): boolean;
+
+  getDisplayName(): string;
+}
+
+export class OrFilterExpression implements FilterExpression{
+  public filter_type: "OrExpression" = "OrExpression";
+  public filter: TagQuery[] = [];
+
+  constructor(tags: TagQuery[]) {
+    this.filter = tags;
+  }
+
+  public eq(value: any): boolean {
+    return this == value
+  }
+
+  public partiallyEq(value: any): boolean {
+    return this == value;
+  }
+
+  public getDisplayName(): string {
+    return this.filter.map(t => t.getNormalizedTag()).join(" OR ");
+  }
+}
+
+export class SingleFilterExpression implements FilterExpression {
+  public filter_type: "Query" = "Query";
+  public filter: TagQuery;
+
+  constructor(tag: TagQuery) {
+    this.filter = tag;
+  }
+
+  public eq(value: any): boolean {
+    return (this.filter.tag === value?.name && this.filter.negate === value?.negate) || this.filter.getNormalizedTag() === value;
+  }
+
+  public partiallyEq(value: any): boolean {
+    return this.filter.tag === value || this.filter.tag === value?.name;
+  }
+
+  public getDisplayName(): string {
+    return this.filter.getNormalizedTag();
+  }
+}
diff --git a/mediarepo-ui/src/app/models/TagQuery.ts b/mediarepo-ui/src/app/models/TagQuery.ts
index e9f6bbd..f10e907 100644
--- a/mediarepo-ui/src/app/models/TagQuery.ts
+++ b/mediarepo-ui/src/app/models/TagQuery.ts
@@ -1,8 +1,8 @@
 export class TagQuery {
-  constructor(public name: string, public negate: boolean) {
+  constructor(public tag: string, public negate: boolean) {
   }
 
   public getNormalizedTag(): string {
-    return this.negate ? "-" + this.name : this.name;
+    return this.negate ? "-" + this.tag : this.tag;
   }
 }
diff --git a/mediarepo-ui/src/app/services/file/file.service.ts b/mediarepo-ui/src/app/services/file/file.service.ts
index e23bf3c..97cf034 100644
--- a/mediarepo-ui/src/app/services/file/file.service.ts
+++ b/mediarepo-ui/src/app/services/file/file.service.ts
@@ -7,6 +7,7 @@ import {Thumbnail} from "../../models/Thumbnail";
 import {TagQuery} from "../../models/TagQuery";
 import {SortKey} from "../../models/SortKey";
 import {RepositoryService} from "../repository/repository.service";
+import {FilterExpression} from "../../models/FilterExpression";
 
 @Injectable({
   providedIn: 'root'
@@ -29,9 +30,10 @@ export class FileService {
     this.displayedFiles.next(all_files);
   }
 
-  public async findFiles(tags: TagQuery[], sortBy: SortKey[]) {
+  public async findFiles(filters: FilterExpression[], sortBy: SortKey[]) {
+    console.log(filters);
     let files = await invoke<File[]>("plugin:mediarepo|find_files",
-      {tags, sortBy: sortBy.map(k => k.toBackendType())});
+      {filters, sortBy: sortBy.map(k => k.toBackendType())});
     this.displayedFiles.next(files);
   }