Try to avoid using NavigationEnd

[tobiasschweizer]

        this._route.params.subscribe((params: Params) => {
            this.iri = params['id'];
        });

        // subscribe to the router events to reload the content
        this.navigationSubscription = this._router.events.subscribe((e: any) => {
            // if it is a NavigationEnd event re-initalise the component
            if (e instanceof NavigationEnd) {
                this.getResource(this.iri);
            }
        });

Mybe we can get rid of this._router.events.subscribe and just use params service.