Introduce Neo4j - Graph Database

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Build Facebook Like Relationships with Neo4j by Von Stark Tuesday, October 11, 11

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Von Stark I am : Starter, Programmer ,Backpacker Use : Ruby, Rails, Erlang, Neo4j co-founder at meetcliv.com founder at neo4j.tw Engineer at Roodo tech co-founder at theprosbank.com co-founder at envionow.com Sales at 365biotech Tuesday, October 11, 11

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4 W & 1 H What Why Who When How Tuesday, October 11, 11

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What is Neo4j Java & Lucene - NeoTechnology Embedded Document High Availability & FailOver. A(atomicity) C(consistency) I(isolation) D(durability) Ꮘೳ࠷ՂతGraph Database Tuesday, October 11, 11

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What can it do? Social Network Graph Network Complex Relationships Make database like natural Tuesday, October 11, 11

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What is the difference as Object Oriented DB Data preset as Node & Edge (Objects) More functions to traverse Friendly API Schema = set of Class (Independent) Tuesday, October 11, 11

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Why to use graph - Web3.0 ࢿྉܕࣜ 1999 2000 2010 2020 Tuesday, October 11, 11

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Why to use Graph - Complexity Ꮘೳ ࢿྉෳᯑ౓ Tuesday, October 11, 11

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Why to use Graph - Whiteboard Friendly Tuesday, October 11, 11

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Why to use Graph - Whiteboard Friendly Tuesday, October 11, 11

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Why to use graph - Reasons धཁᅷܗ᮫܎፺ࡧ ༗ෳᯑฒ׌Ꮇࢄ(ల։)తࢿྉઅߏ গ෦㟨తࢿྉ -> ඞཁ,େ෦㟨తࢿྉ -> ඇඞཁ SQLதڐଟࢿྉද౎ੋඳड़ࢿྉ᮫܎ੑ ࡏSQL࢖༻ྃଠଟJoin Tuesday, October 11, 11

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Who use graph Tuesday, October 11, 11

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When to use graph ቮ༗େྔ᮫܎धཁ႔ཧ ༗ࢿۚత૑ۀᅶୂ ቮख़ࣩGraph֓೦ SQL҃ҰൠKey/ValeతNoSQLቮෆ଍Ҏጯ෇ Tuesday, October 11, 11

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When to use graph ቮ༗େྔ᮫܎धཁ႔ཧ ༗ࢿۚత૑ۀᅶୂ ቮख़ࣩGraph֓೦ SQL҃ҰൠKey/ValeతNoSQLቮෆ଍Ҏጯ෇ ٣ଠ๞ Tuesday, October 11, 11

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How is the performance Tuesday, October 11, 11

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Interested? Tuesday, October 11, 11

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Connect Ruby / Python / Clojure / PHP / Java / Scala / Erlang / Groovy / Restful .... Rails / Grails / Griffon / Qi4j / Roo... Tuesday, October 11, 11

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Clients PHP - Thrift / Protobuffers / PHP- Java Bridge Ruby - JRuby + Neo4j.rb Python - JPython / CPython + JCC / Neo4j.py Tuesday, October 11, 11

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Some Examples Tuesday, October 11, 11

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Remember It Relationship Node Node Tuesday, October 11, 11

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Remember It Relationship Node Node Relationship Node Node Tuesday, October 11, 11

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Relationship - FoF - 1 level me.outgoing(:friends).depth(1) Me Tuesday, October 11, 11

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Relationship - FoF - 2 level me.outgoing(:friends).depth(2) Me Tuesday, October 11, 11

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Relationship - FoF - 3 level me.outgoing(:friends).depth(3) Me Tuesday, October 11, 11

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Relationship - FoF - n level me.outgoing(:friends).depth(n) Tuesday, October 11, 11

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Filters filter / prune Evaluator - INCLUDE_AND_CONTINUE INCLUDE_AND_PRUNE EXCLUDE_AND_DISCONTINUE EXCLUDE_AND_CONTINUE Tuesday, October 11, 11

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Complex Example FoF who lives in Taipei also like Jazz Taipei Me Jazz Lives Like Friend Tuesday, October 11, 11

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Complex Example FoF who lives in Taipei also like Jazz Taipei Me Jazz Lives Like Friend Tuesday, October 11, 11

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me.outgoing(:friend).depth(:all).filter{|path_to_m| path_to_m.end_node.outgoing(:lives).filter{|path_to_live| path_to_live==”Taipei” }.outgoing(:like).filter{|path_to_like| path_to_live==”Jazz” } } SQL ?&^@#%$@)JOIN *&@^ JOIN *@^$ JOIN &@&# JOIN (*@#^ JOIN !&@ JOIN Neo4j Tuesday, October 11, 11

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BranchSelector preorderDepthFirst - ਂ౓༏ઌ,ઌ႔ཧ postorderDepthFirst - ਂ౓༏ઌ,ޙ႔ཧ preorderBreadthFirst - ኍ౓༏ઌ,ઌ႔ཧ postorderBreadthFirst - ኍ౓༏ઌ,ޙ႔ཧ ਂ౓༏ઌ௨ৗֱ࢑༻هԱᱪ Tuesday, October 11, 11

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Other CRUD Batch Insertion Range Query Compound Query Uniqueness Expand and more... Tuesday, October 11, 11

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Caching File Buffer Cache Object Cache 5~10 times faster as file cache for read Memory eater Tuesday, October 11, 11

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Scale - 1 Tuesday, October 11, 11

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Scale - 2 Tuesday, October 11, 11

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Web-Admin Dashboard Data Browser Console Tuesday, October 11, 11

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Visual Tools Flare NeoClipse Arbor.js Dracula more... Tuesday, October 11, 11

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Other Graph DB Dex OrientDB VertexDB Pregel - Very Mystery Allegro - Performance just fine FlockDB - One Layer, Based on MySQL InfiniteGraph Tuesday, October 11, 11

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NoSQL খᡉ ໿㑌݄1࣍ ൒ओ୊ࣜަྲྀ ኍᬐ֤छNoSQL࢖༻ៃᱛ ᓣܴ૝ላश,༗࢖༻ៃᱛ,࢖༻ԙ㗞඼த,ߴख... Tuesday, October 11, 11

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޻঎࣌ؒ 㑌ݸਓ౎ऐሚ,୞ੋఔ౓ෆಉ Tuesday, October 11, 11

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޻঎࣌ؒ ೝࣝᡅಘိత৽๎༑ 㑌ݸਓ౎ऐሚ,୞ੋఔ౓ෆಉ Tuesday, October 11, 11

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޻঎࣌ؒ Marketing Angel Investor Backend Engineer ೝࣝᡅಘိత৽๎༑ 㑌ݸਓ౎ऐሚ,୞ੋఔ౓ෆಉ Tuesday, October 11, 11

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Q & A Blog : vonstark.co FB : facebook.com/vonstark Twitter : vonstark32 Contact : [email protected] Tuesday, October 11, 11