Profile: riccardoU

add_filter( 'wpv_filter_query', 'exclude_terms_func', 10, 3 );
function exclude_terms_func($query, $setting, $views_ID)
{
    if($views_ID == 3346) // your view id
    {
        $query['tax_query'][] = array(
            'taxonomy' => 'book-author', // taxonomy name
            'field' => 'slug',
            'terms' => array( 'adam', 'adam2016' ), // term slug for exclude
            'operator' => 'NOT IN'
        );
        $query['tax_query']['relation'] = 'AND';
    }
    return $query;
}