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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (NUTCH-2039) Relevance based scoring filter
Date Mon, 15 Jun 2015 12:20:01 GMT

    [ https://issues.apache.org/jira/browse/NUTCH-2039?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14585839#comment-14585839
] 

ASF GitHub Bot commented on NUTCH-2039:
---------------------------------------

Github user chrismattmann commented on a diff in the pull request:

    https://github.com/apache/nutch/pull/30#discussion_r32413617
  
    --- Diff: src/plugin/scoring-similarity/src/java/org/apache/nutch/scoring/similarity/SimilarityScoringFilter.java
---
    @@ -0,0 +1,150 @@
    +/**
    + * 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.
    + */
    +package org.apache.nutch.scoring.similarity;
    +
    +import java.io.File;
    +import java.io.IOException;
    +import java.util.Collection;
    +import java.util.List;
    +import java.util.Map.Entry;
    +
    +import org.apache.commons.io.FileUtils;
    +import org.apache.hadoop.conf.Configuration;
    +import org.apache.hadoop.io.Text;
    +import org.apache.nutch.crawl.CrawlDatum;
    +import org.apache.nutch.crawl.Inlinks;
    +import org.apache.nutch.indexer.NutchDocument;
    +import org.apache.nutch.metadata.Nutch;
    +import org.apache.nutch.parse.Parse;
    +import org.apache.nutch.parse.ParseData;
    +import org.apache.nutch.protocol.Content;
    +import org.apache.nutch.scoring.ScoringFilter;
    +import org.apache.nutch.scoring.ScoringFilterException;
    +import org.slf4j.Logger;
    +import org.slf4j.LoggerFactory;
    +
    +public class SimilarityScoringFilter implements ScoringFilter {
    +
    +  private Configuration conf;
    +  private String goldStandardDocPath;
    +  private final static Logger LOG = LoggerFactory
    +      .getLogger(SimilarityScoringFilter.class);
    +  
    +  @Override
    +  public Configuration getConf() {
    +    return conf;
    +  }
    +
    +  @Override
    +  public void setConf(Configuration conf) {
    +    this.conf = conf;
    +    goldStandardDocPath = conf.get("similarity.model.path");
    +    LOG.info("Getting the goldstanrd path {}",goldStandardDocPath);
    +  }
    +
    +  @Override
    +  public void injectedScore(Text url, CrawlDatum datum)
    +      throws ScoringFilterException {
    --- End diff --
    
    I think in these cases, you should simply call Tika on the URL.


> Relevance based scoring filter
> ------------------------------
>
>                 Key: NUTCH-2039
>                 URL: https://issues.apache.org/jira/browse/NUTCH-2039
>             Project: Nutch
>          Issue Type: New Feature
>            Reporter: Sujen Shah
>              Labels: memex, nutch
>             Fix For: 1.11
>
>
> A ScoringFilter plugin that uses a similarity measure to calculate the similarity between
a given page(gold standard) and the currently parsed page. The score obtained from this similarity
is then distributed to its outlinks. This filter aims to focus the crawler to crawl/explore
relevant pages. 



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