/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

use fuzzyjoin;


set `import-private-functions` `true`;

select element {'id':idDBLP,'len':lenDBLP,'tokens':tokensDBLP}
from  DBLP as paperDBLP
with  idDBLP as paperDBLP.id,
      tokensUnrankedDBLP as fuzzyjoin.`counthashed-word-tokens`(paperDBLP.title),
      lenDBLP as fuzzyjoin.len(tokensUnrankedDBLP),
      tokensDBLP as (
      select element i
      from  tokensUnrankedDBLP as tokenUnranked,
            (
          select element tokenGroupped
          from  DBLP as paper,
                fuzzyjoin.`counthashed-word-tokens`(paper.title) as token
          with  id as paper.id
          group by token as tokenGroupped
          order by fuzzyjoin.count(id),tokenGroupped
      ) as tokenRanked at i
      where (tokenUnranked = tokenRanked)
      order by i
  )
order by idDBLP
;