def build_refsets(save_after_every_profile=False):
    refset_builder = RefsetBuilder()

    q = db.session.query(Profile)
    for profile in windowed_query(q, Profile.url_slug, 25):
        refset_builder.process_profile(profile)
        if save_after_every_profile:
            save_all_reference_set_lists(refset_builder)

    save_all_reference_set_lists(refset_builder)