liking relevance - php north east 2014
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TITEL DAG MAAND JAARPHP NORTH EAST 2014 JEROEN VAN DIJK
LIKING
RELEVANCE
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WILL I FIND WHAT I’M LOOKING FOR?
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129 LINKEDIN PROFILE MATCHES
SEARCHING JEROEN VAN DIJK?
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enrise.com/jeroen-van-dijk
phpbenelux.eu/jeroen-van-dijk
jrdk.nl/jeroen-van-dijk
twitter.com/jrvandijk
LINK: JEROEN VAN DIJK
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LINK: JOIND.IN
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WHAT IS AUTOTRACK?
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HOW MANY OPTIONS DO I HAVE?
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NEED MORE?
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WHERE TO START?
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HOW DO YOU SEARCH?
SOLR
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SCHEMA.XML, WHERE DO I START?├── contrib ├── dist ├── docs ├── example │ ├── solr │ │ ├── bin │ │ └── collection1 │ │ └── conf │ │ ├── admin-extra.html │ │ ├── admin-extra.menu-bottom.html │ │ ├── admin-extra.menu-top.html │ │ ├── currency.xml │ │ ├── elevate.xml │ │ ├── mapping-FoldToASCII.txt │ │ ├── mapping-ISOLatin1Accent.txt │ │ ├── protwords.txt │ │ ├── schema.xml │ │ ├── scripts.conf │ │ ├── solrconfig.xml │ │ ├── spellings.txt │ │ ├── stopwords.txt │ │ ├── synonyms.txt │ │ ├── update-script.js └── licenses
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DID YOU READ THE SCHEMA.XML? 1 <?xml version="1.0" encoding="UTF-8" ?> 2 <schema name="example" version="1.5"> 3 <!-- 4 This is the Solr schema file. This file should be named "schema.xml" and 5 should be in the conf directory under the solr home 6 (i.e. ./solr/conf/schema.xml by default) 7 or located where the classloader for the Solr webapp can find it. 8 9 This example schema is the recommended starting point for users. 10 It should be kept correct and concise, usable out-of-the-box. 11 12 For more information, on how to customize this file, please see 13 http://wiki.apache.org/solr/SchemaXml 14 --> 15 <types> 16 <!-- There is 61Kb of example schema --> 17 </types> 18 <fields> 19 <!-- documented in this file! --> 20 </fields> 21 <uniqueKey>id</uniqueKey> 22 <defaultSearchField>text</defaultSearchField> 23 </schema>
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WHAT ARE TYPES AND FIELDS? 1 <?xml version="1.0" encoding="UTF-8" ?> 2 <schema name="cars" version="1.5"> 3 <types> 4 <!-- A plain string type --> 5 <fieldType name="string" class=“solr.StrField" 6 sortMissingLast="true" omitNorms="true"/> 7 <!-- The model type for tokenizing & filtering synonyms --> 8 <fieldtype name="modelType" class="solr.TextField"> 9 <analyzer type="query"> 10 <tokenizer class="solr.KeywordTokenizerFactory"/> 11 <filter class="solr.SynonymFilterFactory" synonyms="models. 12 querytime.txt" ignoreCase="false" 13 expand="true"/> 14 </analyzer> 15 </fieldtype> 16 </types> 17 <fields> 18 <field name="merk" type="string" indexed="true" stored="true" 19 termVectors="true"/> 20 <field name="model" type="modelType" indexed="true" stored="true"/> 21 </fields> 22 <!-- ... --> 23 </schema>
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WHAT’S THE USAGE OF A COPY FIELD? 1 <?xml version="1.0" encoding="UTF-8" ?> 2 <schema name="cars" version="1.5"> 3 <types> 4 <!-- ... --> 5 </types> 6 <fields> 7 <!-- ... --> 8 <field name="text" type="text" indexed="true" stored="false" 9 multiValued="true"/> 10 </fields> 11 <uniqueKey>auto_id</uniqueKey> 12 <defaultSearchField>text</defaultSearchField> 13 <solrQueryParser defaultOperator="OR"/> 14 15 <copyField source="merk" dest="text"/> 16 <copyField source="model" dest="text"/> 17 <copyField source="uitvoering" dest="text"/> 18 <copyField source="aanbieder_informatie" dest="text"/> 19 <copyField source="interieur_kleur" dest="text"/> 20 <copyField source="bouwjaar" dest="text"/> 21 </schema>
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HOW DID YOU INDEX DATA?
§Using Solr since version 1.3
§CSV & XML update request handlers
§Data import handler
§Explicitly chose Solr XML import
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CAN IT BE MORE ABSTRACT?
Database
!
!
Nightly bulk export Trigger item export
!
!
Mapping
!
!
Solr
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DO YOU HAVE SOME TIPS?
§Analyze your data up front
§Do not store, what you don’t want to visualize!
§Pay extra attention to columns you want to sort
§Create a well defined copy field for the query
§Do not use Solr as your persistent storage
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NO SQL?
SELECT * FROM …
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WHICH QUERY HANDLERS ARE THERE?
§Standard
§Disjunction Max
§Extended Disjunction Max
§Create your own based on the above!
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WHAT IS SOLARIUM?
Extensible PHP Library
Usable in any PHP based framework
Abstracts raw Solr communication
@basdenooijer / @solariumproject
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IS IT THAT EASY WITH SOLARIUM?
1 // get a select query instance 2 $client = new Solarium\Client($config); 3 $query = $client->createSelect(); 4 5 // define the output field 6 $query->setFields(array('auto_id', 'merk_model_uitvoering', 7 'aanbieder_informatie', 'score')); 8 $query->setSorts(array('score' => 'desc')); 9 10 // set the query 11 $query->setQuery('audi +avant +abs'); 12 13 $resultset = $client->select($query);
select?q=audi +avant +abs &fl=auto_id,merk_model_uitvoering,aanbieder_informatie,score&sort=score desc
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HOW DO I USE THE DISMAX REQUEST HANDLER? 1 // define the output field 2 $query->setFields(array('auto_id', 'merk_model_uitvoering', 3 'aanbieder_informatie', 'score')); 4 $query->setSorts(array('score' => 'desc')); 5 6 // get the dismax component and set a boost query 7 $dismax = $query->getDisMax(); 8 $dismax->setQueryFields('uitvoering^2.3 text^0.9'); 9 // set the query 10 $query->setQuery('audi +avant +abs'); 11 12 $resultset = $client->select($query);
select?q=audi +avant +abs& fl=auto_id,merk_model_uitvoering,aanbieder_informatie,score&sort=score desc&defType=dismax&qf=uitvoering^2.3 text^0.9
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WHAT IS A BOOST FUNCTION? 1 // define the output field 2 $query->setFields(array('auto_id', 'merk_model_uitvoering', 2 'score')); 3 $query->setSorts(array('score' => 'asc')); 4 5 // get the dismax component and set a boost function 6 $dismax = $query->getDisMax(); 7 $dismax->setBoostFunctions( 8 ‘sqedist(x_coordinaat,y_coordinaat,155000,463000)'); 9 10 // set the query 11 $query->setQuery('audi +avant +abs');
select?q=audi +avant +abs &fl=auto_id,merk_model_uitvoering,score&sort=score asc&defType=dismax&bf=sqedist(x_coordinaat,y_coordinaat,155000,463000)
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WHY NOT USE WGS84 FOR DISTANCE SEARCH?
!
Solr 4.0 introduced
!
SpatialRecursivePrefixTreeFieldType
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WHAT IS THE LUCENE RANGE QUERY SYNTAX?
maximum_speed:[1 TO 10]
publication_date:[20140301 TO 20140318]
publication_date:[* TO NOW]
any_range:[* TO *]
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HOW DO I CREATE A RANGE QUERY? 1 // get the facetset component 2 $facetSet = $query->getFacetSet(); 3 4 // create a facet field instance and set options 5 $facet = $facetSet->createFacetRange('topsnelheid'); 6 $facet->setField('topsnelheid'); 7 $facet->setStart(120); 8 $facet->setGap(10); 9 $facet->setEnd(250); 10 11 // this executes the query and returns the result 12 $resultset = $client->select($query);
select?facet=true&facet.range={!key=topsnelheid}topsnelheid&f.topsnelheid.facet.range.start=90&f.topsnelheid.facet.range.end=250&f.topsnelheid.facet.range.gap=10
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HOW DO I CREATE A RANGE QUERY? === Topsnelheid === [ ] 120.0 [31] [ ] 130.0 [616] [ ] 140.0 [2842] [ ] 150.0 [17254] [ ] 160.0 [15869] [ ] 170.0 [25597] [ ] 180.0 [29735] [ ] 190.0 [25370] [ ] 200.0 [17624] [ ] 210.0 [10256] [ ] 220.0 [6611] [ ] 230.0 [3322] [ ] 240.0 [1768]
select?facet=true&facet.range={!key=topsnelheid}topsnelheid&f.topsnelheid.facet.range.start=90&f.topsnelheid.facet.range.end=250&f.topsnelheid.facet.range.gap=10
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HOW DO YOU DEFINE A CUSTOM RANGE?
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WHAT IS A FACET MULTI QUERY? 1 // get the facetset component 2 $facetSet = $query->getFacetSet(); 3 4 // create a facet field instance and set options 5 $facet = $facetSet->createFacetMultiQuery( 6 array('key' => 'topsnelheid')); 7 $facet->createQuery( 8 'topsnelheid[*TO140]', 'topsnelheid:[* TO 140]'); 9 $facet->createQuery( 10 'topsnelheid[141TO150]', 'topsnelheid:[141 TO 150]'); 11 12 // this executes the query and returns the result 13 $resultset = $client->select($query);
select?facet=true&facet.query={!key=topsnelheid[*TO140]}topsnelheid:[* TO 140]&facet.query={!key=topsnelheid[141TO150]}topsnelheid:[141 TO 150]
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BUT WHAT ABOUT THE OTHER FIELDS?
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RESULT
GROUPING
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WHAT ABOUT DIFFERENT CAR OPTIONS?
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WHAT ABOUT DIFFERENT CAR OPTIONS?
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CREATING GROUPING QUERY
1 // define the output field 2 $query->setFields(array('auto_id', 3 'merk_model_uitvoering', 'score')); 3 $query->setSorts(array('score' => 'asc')); 4 5 // get group component and create two query groups 6 $group = $query->getGrouping(); 7 $group->addField('uitvoering_carrosserievorm'); 8 9 $query->setQuery('+cabriolet +abs');
select?q=+cabriolet +abs&fl=auto_id,merk_model_uitvoering,score&sort=score asc&group=true &group.field=uitvoering_carrosserievorm
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PIVOT
FACETING
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ISN’T THAT GOOGLE SPREADSHEETS?
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WHAT IS A DECISION TREE?
!
Audi !
!
A3 A4 !
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IS IT EASY TO CREATE A PIVOT FACET?
1 $query->setQuery('+cabriolet +abs'); 2 3 // get the facetset component 4 $facetSet = $query->getFacetSet(); 5 6 // create a facet pivot instance 7 $facet = $facetSet->createFacetPivot('merk-model'); 8 $facet->addFields('merk,model'); 9 10 // this executes the query and returns the result 11 $resultset = $client->select($query);
select?q=+cabriolet +abs &facet=true&facet.pivot=merk,model
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SEEMS SO I GUESS?
[ ] AUDI [7] [ ] -- A4 [7] [ ] BMW [4] [ ] -- 3-SERIE [3] [ ] -- 1-SERIE [1] [ ] VOLKSWAGEN [3] [ ] -- GOLF [2] [ ] -- NEW BEETLE [1] [ ] PEUGEOT [3] [ ] -- 207 [1] [ ] -- 306 [1] [ ] -- 307 [1]
select?q=+cabriolet +abs &facet=true&facet.pivot=merk,model
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MULTI SELECT
FACETING
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WHERE ARE THE ZEROES?
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FACET MINCOUNT 0
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WHERE DID LPG GO?
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FACET MINCOUNT 1
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DO YOU SEE ONLY THE RELEVANT MODELS?
=== Model === [ ] A3 (11) [ ] A4 (19) [ ] A6 (7) [ ] A8 (2) !
!
facet=true&facet.field=model&facet.mincount=1&fq=aanbieder_id:1&fq=merk:AUDI
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IS THIS THE EXPECTED RESULT?
=== Model === [ ] A3 (11) [X] A4 (19) [ ] A6 (7) [ ] A8 (2) !
!
facet=true&facet.field=model&facet.mincount=1&fq=aanbieder_id:1&fq=merk:AUDI&fq=model:A4
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OR THIS ONE?
=== Model === [X] A4 (19) !
!
facet=true&facet.field=model&facet.mincount=1&fq=aanbieder_id:1&fq=merk:AUDI&fq=model:A4
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TAGGING AND EXCLUDING TO THE RESCUE? 1 $query->addFilterQueries(array( 2 array('key'=>'aanbieder_id', ‘query’=>'aanbieder_id:1', 3 'tag'=>'inner'), 4 array('key'=>'merk', 'query'=>'merk:AUDI', 5 'tag'=>'inner'), 6 array('key'=>'model', 'query'=>'model:A4', 7 'tag'=>'outer'))); 8 9 // get the facetset component 10 $facetSet = $query->getFacetSet(); 11 $facetSet->setMinCount(1); 12 $facetSet->createFacetField(array('key'=>'model', 13 ‘field'=>'model', 'exclude'=>'outer'));
facet=true&facet.field={!key=model ex=outer}model&facet.mincount=1& fq={!tag:inner}aanbieder_id:1&fq={!tag=inner}merk:AUDI&fq={!tag=outer}model:A4
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IS THIS BETTER?
=== Model === [ ] A3 (11) [X] A4 (19) [ ] A6 (7) [ ] A8 (2) !
!facet=true&facet.field={!key=model ex=outer}model&facet.mincount=1& fq={!tag:inner}aanbieder_id:1&fq={!tag=inner}merk:AUDI&fq={!tag=outer}model:A4
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WHERE ARE THE COUNTS?
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FACET MINCOUNT 0
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DID YOU JUST CREATE THE FACET TWICE? 1 $query->addFilterQueries(array( 2 array('query'=>'aanbieder_id:1', 'tag'=>'inner'), 3 array('query'=>'carrosserievorm:CABRIOLET', 4 'tag'=>'outer'))); 5 6 // get the facetset component and add fields 7 $facetSet = $query->getFacetSet(); 9 9 $facetSet->createFacetField(array('key'=>'cv', 10 'field'=>'carrosserievorm', 'exclude'=>'outer')); 11 $facetSet->createFacetField(array('key'=>'cv_internal', 12 'field'=>'carrosserievorm'));
select?facet=true&fq={!tag=inner}aanbieder_id:1& fq={!tag=outer}carrosserievorm:CABRIOLET& facet.field={!key=cv ex=outer}carrosserievorm& facet.field={!key=cv_internal}carrosserievorm
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WHAT IS THE EXPECTED RESULT?=== CV === [ ] HATCHBACK [514] [ ] STATIONWAGEN [510] [ ] SEDAN [188] [ ] MPV [185] [ ] SUV/TERREINWAGEN [108] [X] CABRIOLET [71]
select?facet=true&fq={!tag=inner}aanbieder_id:1& fq={!tag=outer}carrosserievorm:CABRIOLET& facet.field={!key=cv ex=outer}carrosserievorm& facet.field={!key=cv_internal}carrosserievorm
=== CV_INTERNAL === [ ] HATCHBACK [0] [ ] STATIONWAGEN [0] [ ] SEDAN [0] [ ] MPV [0] [ ] SUV/TERREINWAGEN [0] [ ] COUPE [0] [ ] BEDRIJFSWAGEN [0] [X] CABRIOLET [26] [ ] PERSONENBUS [0]
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WHAT IS THE EXPECTED RESULT?
!
=== CV === [ ] HATCHBACK [0] [ ] STATIONWAGEN [0] [ ] SEDAN [0] [ ] MPV [0] [ ] SUV/TERREINWAGEN [0] [X] CABRIOLET [26]
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INTERESTED IN SOME STATISTICS?
1 index, 2 web applications
!
250.000 cars, over 200 attributes per car
!
Only ~ 500Mb search index, easily run in memory
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Thank you!
Jeroen van Dijk | jrvandijk | joind.in/10916
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