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Significant terms examples, meetup "elasticsearch switzerland", June 5 2014
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| # Terms aggregations | |
| POST reuters/_search | |
| # aggregate on places - how many articles per country? | |
| POST reuters-test/_search | |
| { | |
| "size": 0, | |
| "aggregations": { | |
| "class": { | |
| "terms": { | |
| "field": "places", | |
| "size": 100 | |
| } | |
| } | |
| } | |
| } | |
| # aggregate on topics per country - what's the most important topic for each? | |
| POST reuters/_search | |
| { | |
| "size": 0, | |
| "aggregations": { | |
| "places": { | |
| "terms": { | |
| "field": "places", | |
| "size": 100 | |
| }, | |
| "aggs": { | |
| "topics": { | |
| "terms": { | |
| "field": "topics", | |
| "size": 10 | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| # Aggregate words in body per country - which words most often used per country in the article? | |
| # Not really useful, returns mostly stopwords | |
| POST reuters/_search | |
| { | |
| "size": 0, | |
| "aggregations": { | |
| "class": { | |
| "terms": { | |
| "field": "places" | |
| }, | |
| "aggs": { | |
| "max_freq_terms": { | |
| "terms": { | |
| "field": "body", | |
| "size": 10 | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| # Significant terms in reuters | |
| POST reuters/_search | |
| { | |
| "size": 0, | |
| "aggregations": { | |
| "class": { | |
| "terms": { | |
| "field": "places" | |
| }, | |
| "aggregations": { | |
| "sig_terms": { | |
| "significant_terms": { | |
| "field": "body" | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| # Significant terms for movie reviews | |
| POST movie-reviews/_search | |
| # what are the most often used words in positive and negative reviews? | |
| # Not really useful, returns mostly stopwords | |
| POST movie-reviews/_search | |
| { | |
| "size": 0, | |
| "aggregations": { | |
| "class": { | |
| "terms": { | |
| "field": "class" | |
| }, | |
| "aggregations": { | |
| "sig_terms": { | |
| "terms": { | |
| "field": "text" | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| # Now, use significant terms for that | |
| POST movie-reviews/_search | |
| { | |
| "size": 0, | |
| "aggregations": { | |
| "class": { | |
| "terms": { | |
| "field": "class" | |
| }, | |
| "aggregations": { | |
| "sig_terms": { | |
| "significant_terms": { | |
| "field": "text" | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
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Significant terms for movie recommendations were missing the background filter. Added this in revision 2.