```html
<ion-tabs>
  <ion-tab label="schedule" icon="calendar" name="tab-schedule">
    <ion-nav></ion-nav>
  </ion-tab>
  <ion-tab label="speakers" icon="contacts" name="tab-speaker">
    <ion-nav></ion-nav>
  </ion-tab>
  <ion-tab label="map" icon="map" component="page-map"></ion-tab>
  <ion-tab label="about" icon="information-circle" component="page-about"></ion-tab>
</ion-tabs>
```
