private void InitializeViewModelExecute()
        {
            this._filterProcessor = new FilterProcessor();
            this.savedSearchHelper.StartSearch();
            this.submittedSearchHelper.StartSearch();
            this.currentParameters       = new FilterParameters();
            this.SearchInSavedString     = string.Empty;
            this.SearchInSubmittedString = string.Empty;

            if (NavigationProvider.NavigationParameters.ContainsKey(Constants.FILTER_KEY))
            {
                this.currentParameters = (FilterParameters)NavigationProvider.NavigationParameters[Constants.FILTER_KEY];
                NavigationProvider.NavigationParameters.Remove(Constants.FILTER_KEY);
                this.SavedResponses           = new ObservableCollection <ResponseSet>(_filterProcessor.FilterSavedResponseSet(currentParameters));
                this.filteredSavedResults     = this.SavedResponses;
                this.SubmittedResponses       = new ObservableCollection <ResponseSet>(_filterProcessor.FilterSubmittedResponseSet(currentParameters));
                this.filteredSubmittedResults = this.SubmittedResponses;
            }
        }