| Ian Maxon | 857dc13 | 2015-09-25 17:13:19 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Licensed to the Apache Software Foundation (ASF) under one |
| 3 | * or more contributor license agreements. See the NOTICE file |
| 4 | * distributed with this work for additional information |
| 5 | * regarding copyright ownership. The ASF licenses this file |
| 6 | * to you under the Apache License, Version 2.0 (the |
| 7 | * "License"); you may not use this file except in compliance |
| 8 | * with the License. You may obtain a copy of the License at |
| 9 | * |
| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | * |
| 12 | * Unless required by applicable law or agreed to in writing, |
| 13 | * software distributed under the License is distributed on an |
| 14 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| 15 | * KIND, either express or implied. See the License for the |
| 16 | * specific language governing permissions and limitations |
| 17 | * under the License. |
| 18 | */ |
| buyingyi | 2fd7fa6 | 2014-11-24 19:31:55 -0800 | [diff] [blame] | 19 | from $user in dataset('Users') |
| 20 | with $similar_users := |
| 21 | from $similar_user in dataset('Users') |
| 22 | with $similarity := jaccard_similarity($user.interests, $similar_user.interests) |
| 23 | where $user != $similar_user |
| 24 | and $similarity >= .75 |
| 25 | order by $similarity desc |
| 26 | limit 10 |
| 27 | select { "user_name" : $similar_user.name, "similarity" : $similarity } |
| 28 | select { "user_name" : $user.name, "similar_users" : $similar_users } |