public String searchRequirement(String keyword)
        {
            Indexing i = new Indexing();

            return(i.searchRequirement(keyword));
        }
        public int publishMyRequirements(String description, int tenant_id)
        {
            Indexing i = new Indexing();

            return(i.indexRequirements(description, tenant_id));
        }
        public String searchService(String keyword)
        {
            Indexing i = new Indexing();

            return(i.searchService(keyword));
        }
        public int publishMyService(int tenant_id, String serviceURL, String description)
        {
            Indexing i = new Indexing();

            return(i.indexService(tenant_id, serviceURL, description));
        }