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Neo是一個(gè)圖形數(shù)據(jù)庫(kù)（graph database）。它是一個(gè)可嵌入，基于磁盤(pán)的Java持久化引擎，其數(shù)據(jù)存儲(chǔ)采用圖形結(jié)構(gòu)來(lái)代替表格。一張graph就是一種網(wǎng)狀的結(jié)構(gòu)圖更適合于敏捷、快速開(kāi)發(fā)。特性：能夠以直觀，面向圖形的方式展示數(shù)據(jù)，網(wǎng)狀結(jié)構(gòu)圖由節(jié)點(diǎn)，關(guān)聯(lián)和屬性組成。Neo能夠在單一計(jì)算機(jī)上處理幾十億個(gè)節(jié)點(diǎn)，關(guān)聯(lián)和屬性。
一個(gè)強(qiáng)大的橫向移動(dòng)框架能夠在節(jié)點(diǎn)空間中快速橫向移動(dòng)。整個(gè)Neo大小還不到500k。擁有簡(jiǎn)單、便利、面向?qū)ο蟮腁PI。此外Neo包括一些數(shù)據(jù)庫(kù)固有的特性：ACID事務(wù)支持，數(shù)據(jù)持久化, 并行控制, 事務(wù)恢復(fù)等。

開(kāi)源項(xiàng)目主頁(yè)地址： http://neo4j.org/

Neo is a graph database . It is an embedded, disk-based, fully transactional Java persistence engine that stores data structured in graphs rather than in tables. A graph (mathematical lingo for a network) is a flexible data structure that allows a more agile and rapid style of development.
You can think of Neo as a high-performance graph engine with all the features of a mature and robust database. The programmer works with an object-oriented, flexible network structure rather than with strict and static tables — yet enjoys all the benefits of a fully transactional, enterprise-strength database.


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一款強(qiáng)大的開(kāi)源圖形數(shù)據(jù)庫(kù) Neo4j